Taxa

• Animals (Kingdom Animalia) View Observations
  • Chordates (Phylum Chordata) View Observations
    • Vertebrates (Subphylum Vertebrata) View Observations
      • Amphibians (Class Amphibia) View Observations
        • Frogs and Toads (Order Anura) View Observations
          • Tree Frogs and Allies (Family Hylidae) View Observations
            • Cricket and Chorus Frogs (Subfamily Acridinae) View Observations
              • Chorus Frogs (Genus Pseudacris) View Observations
                • Boreal Chorus Frog (Pseudacris maculata) View Observations
                • Spring Peeper (Pseudacris crucifer) View Observations
          • Typical Frogs (Family Ranidae) View Observations
            • American Water Frogs (Genus Lithobates) View Observations
              • American Bullfrog (Lithobates catesbeianus) View Observations
              • Wood Frog (Lithobates sylvaticus) View Observations
      • Reptiles (Class Reptilia) View Observations
        • Turtles and Tortoises (Order Testudines) View Observations
          • Pond and Box Turtles (Family Emydidae) View Observations
            • Deirochelyine Turtles (Subfamily Deirochelyinae) View Observations
              • Painted Turtles (Genus Chrysemys) View Observations
                • Painted Turtle (Chrysemys picta) View Observations
      • Birds (Class Aves) View Observations
        • Woodpeckers, Barbets, and Allies (Order Piciformes) View Observations
          • Woodpeckers (Family Picidae) View Observations
            • Genus Dryocopus View Observations
              • Pileated Woodpecker (Dryocopus pileatus) View Observations
            • Flickers and Allies (Genus Colaptes) View Observations
              • Northern Flicker (Colaptes auratus) View Observations
                • Southeastern Yellow-shafted Flicker (Colaptes auratus ssp. auratus) View Observations
            • Sapsuckers (Genus Sphyrapicus) View Observations
              • Yellow-bellied Sapsucker (Sphyrapicus varius) View Observations
            • Dryobates Woodpeckers (Genus Dryobates) View Observations
              • Downy Woodpecker (Dryobates pubescens) View Observations
              • Hairy Woodpecker (Dryobates villosus) View Observations
        • Owls (Order Strigiformes) View Observations
          • Typical Owls (Family Strigidae) View Observations
            • Screech-Owls (Genus Megascops) View Observations
              • Eastern Screech-Owl (Megascops asio) View Observations
            • Typical Eagle-Owls and Horned Owls (Genus Bubo) View Observations
              • Great Horned Owl (Bubo virginianus) View Observations
            • Eared Owls and Allies (Genus Asio) View Observations
              • Long-eared Owl (Asio otus) View Observations
        • Kingfishers and Allies (Order Coraciiformes) View Observations
          • Kingfishers (Family Alcedinidae) View Observations
            • Large Crested Kingfishers (Genus Megaceryle) View Observations
              • Belted Kingfisher (Megaceryle alcyon) View Observations
        • Pigeons and Doves (Order Columbiformes) View Observations
          • Pigeons and Doves (Family Columbidae) View Observations
            • Old World Pigeons (Genus Columba) View Observations
              • Rock Pigeon (Columba livia) View Observations
                • Feral Pigeon (Columba livia var. domestica) View Observations
            • Zenaida Doves (Genus Zenaida) View Observations
              • Mourning Dove (Zenaida macroura) View Observations
        • Cranes, Rails, and Allies (Order Gruiformes) View Observations
          • Rails, Gallinules, and Coots (Family Rallidae) View Observations
            • Coots (Genus Fulica) View Observations
              • American Coot (Fulica americana) View Observations
        • New World Vultures (Order Cathartiformes) View Observations
          • New World Vultures (Family Cathartidae) View Observations
            • Turkey and Yellow-headed Vultures (Genus Cathartes) View Observations
              • Turkey Vulture (Cathartes aura) View Observations
        • Landfowl (Order Galliformes) View Observations
          • Pheasants, Grouse, and Allies (Family Phasianidae) View Observations
            • Perdix Partridges (Genus Perdix) View Observations
              • Grey Partridge (Perdix perdix) View Observations
            • Genus Bonasa View Observations
              • Ruffed Grouse (Bonasa umbellus) View Observations
            • Turkeys (Genus Meleagris) View Observations
              • Wild Turkey (Meleagris gallopavo) View Observations
        • Shorebirds and Allies (Order Charadriiformes) View Observations
          • Gulls, Terns, and Skimmers (Family Laridae) View Observations
            • Gulls (Subfamily Larinae) View Observations
              • Large White-headed Gulls (Genus Larus) View Observations
                • Herring Gull (Larus argentatus) View Observations
                • Ring-billed Gull (Larus delawarensis) View Observations
          • Plovers and Lapwings (Family Charadriidae) View Observations
            • Typical Plovers (Genus Charadrius) View Observations
              • Piping Plover (Charadrius melodus) View Observations
        • Loons (Order Gaviiformes) View Observations
          • Loons (Family Gaviidae) View Observations
            • Loons (Genus Gavia) View Observations
              • Common Loon (Gavia immer) View Observations
              • Red-throated Loon (Gavia stellata) View Observations
        • Grebes (Order Podicipediformes) View Observations
          • Grebes (Family Podicipedidae) View Observations
            • Typical Grebes (Genus Podiceps) View Observations
              • Horned Grebe (Podiceps auritus) View Observations
            • Western and Clark's Grebes (Genus Aechmophorus) View Observations
              • Western Grebe (Aechmophorus occidentalis) View Observations
        • Pelicans, Herons, Ibises, and Allies (Order Pelecaniformes) View Observations
          • Pelicans (Family Pelecanidae) View Observations
            • Pelicans (Genus Pelecanus) View Observations
              • American White Pelican (Pelecanus erythrorhynchos) View Observations
          • Herons, Egrets, and Bitterns (Family Ardeidae) View Observations
            • Typical Herons and Egrets (Subfamily Ardeinae) View Observations
              • Great Herons (Genus Ardea) View Observations
                • Great Blue Heron (Ardea herodias) View Observations
        • Falcons and Caracaras (Order Falconiformes) View Observations
          • Falcons and Caracaras (Family Falconidae) View Observations
            • Typical Falcons (Genus Falco) View Observations
              • Merlin (Falco columbarius) View Observations
        • Waterfowl (Order Anseriformes) View Observations
          • Ducks, Geese, and Swans (Family Anatidae) View Observations
            • True Swans (Genus Cygnus) View Observations
              • Trumpeter Swan (Cygnus buccinator) View Observations
            • Mallards, Pintails, and Allies (Genus Anas) View Observations
              • American Black Duck (Anas rubripes) View Observations
              • Mallard (Anas platyrhynchos) View Observations
            • Goldeneyes and Bufflehead (Genus Bucephala) View Observations
              • Common Goldeneye (Bucephala clangula) View Observations
              • Bufflehead (Bucephala albeola) View Observations
            • Grey Geese (Genus Anser) View Observations
              • Snow Goose (Anser caerulescens) View Observations
            • Typical Eiders (Genus Somateria) View Observations
              • Common Eider (Somateria mollissima) View Observations
            • Black Geese (Genus Branta) View Observations
              • Canada Goose (Branta canadensis) View Observations
            • Wood and Mandarin Ducks (Genus Aix) View Observations
              • Wood Duck (Aix sponsa) View Observations
        • Hawks, Eagles, Kites, and Allies (Order Accipitriformes) View Observations
          • Hawks, Eagles, and Kites (Family Accipitridae) View Observations
            • Accipiters (Genus Accipiter) View Observations
              • Cooper's Hawk (Accipiter cooperii) View Observations
            • Buteos (Genus Buteo) View Observations
              • Red-tailed Hawk (Buteo jamaicensis) View Observations
            • Sea-Eagles and Fish-Eagles (Genus Haliaeetus) View Observations
              • Bald Eagle (Haliaeetus leucocephalus) View Observations
        • Gannets, Cormorants, and Allies (Order Suliformes) View Observations
          • Cormorants and Shags (Family Phalacrocoracidae) View Observations
            • American Cormorants (Genus Nannopterum) View Observations
              • Double-crested Cormorant (Nannopterum auritum) View Observations
        • Perching Birds (Order Passeriformes) View Observations
          • Swallows and Martins (Family Hirundinidae) View Observations
            • New World Martins (Genus Progne) View Observations
              • Purple Martin (Progne subis) View Observations
            • Tachycineta Swallows (Genus Tachycineta) View Observations
              • Tree Swallow (Tachycineta bicolor) View Observations
          • New World Blackbirds and Orioles (Family Icteridae) View Observations
            • Cowbirds (Genus Molothrus) View Observations
              • Brown-headed Cowbird (Molothrus ater) View Observations
            • New World Orioles (Genus Icterus) View Observations
              • Orchard Oriole (Icterus spurius) View Observations
            • Grackles (Genus Quiscalus) View Observations
              • Common Grackle (Quiscalus quiscula) View Observations
            • Agelaius Blackbirds (Genus Agelaius) View Observations
              • Red-winged Blackbird (Agelaius phoeniceus) View Observations
          • Tits, Chickadees, and Titmice (Family Paridae) View Observations
            • Chickadees and Allies (Genus Poecile) View Observations
              • Black-capped Chickadee (Poecile atricapillus) View Observations
          • Old World Sparrows (Family Passeridae) View Observations
            • True Sparrows (Genus Passer) View Observations
              • House Sparrow (Passer domesticus) View Observations
          • Nuthatches (Family Sittidae) View Observations
            • Nuthatches (Genus Sitta) View Observations
              • White-breasted Nuthatch (Sitta carolinensis) View Observations
              • Red-breasted Nuthatch (Sitta canadensis) View Observations
          • Starlings (Family Sturnidae) View Observations
            • European and Spotless Starlings (Genus Sturnus) View Observations
              • European Starling (Sturnus vulgaris) View Observations
          • Thrushes (Family Turdidae) View Observations
            • Typical Thrushes (Genus Turdus) View Observations
              • American Robin (Turdus migratorius) View Observations
            • Brown Thrushes and Nightingale-Thrushes (Genus Catharus) View Observations
              • Hermit Thrush (Catharus guttatus) View Observations
          • Vireos, Shrike-Babblers, and Erpornis (Family Vireonidae) View Observations
            • Vireos (Genus Vireo) View Observations
              • Red-eyed Vireo (Vireo olivaceus) View Observations
          • Kinglets (Family Regulidae) View Observations
            • Ruby-crowned Kinglets (Genus Corthylio) View Observations
              • Ruby-crowned Kinglet (Corthylio calendula) View Observations
            • Firecrests, Goldcrests, and Allies (Genus Regulus) View Observations
              • Golden-crowned Kinglet (Regulus satrapa) View Observations
          • Longspurs and Snow Buntings (Family Calcariidae) View Observations
            • Snow and Mckay's Buntings (Genus Plectrophenax) View Observations
              • Snow Bunting (Plectrophenax nivalis) View Observations
          • New World Sparrows (Family Passerellidae) View Observations
            • Juncos (Genus Junco) View Observations
              • Dark-eyed Junco (Junco hyemalis) View Observations
            • Melospiza Sparrows (Genus Melospiza) View Observations
              • Song Sparrow (Melospiza melodia) View Observations
            • Spizella Sparrows (Genus Spizella) View Observations
              • Chipping Sparrow (Spizella passerina) View Observations
            • Genus Passerella View Observations
              • Fox Sparrow (Passerella iliaca) View Observations
            • Zonotrichia Sparrows (Genus Zonotrichia) View Observations
              • White-throated Sparrow (Zonotrichia albicollis) View Observations
          • New World Warblers (Family Parulidae) View Observations
            • Setophaga Warblers (Genus Setophaga) View Observations
              • Yellow-rumped Warbler (Setophaga coronata) View Observations
            • Genus Mniotilta View Observations
              • Black-and-white Warbler (Mniotilta varia) View Observations
          • Waxwings (Family Bombycillidae) View Observations
            • Waxwings (Genus Bombycilla) View Observations
              • Cedar Waxwing (Bombycilla cedrorum) View Observations
              • Bohemian Waxwing (Bombycilla garrulus) View Observations
          • Treecreepers (Family Certhiidae) View Observations
            • Typical Treecreepers (Genus Certhia) View Observations
              • Brown Creeper (Certhia americana) View Observations
          • Crows, Jays, and Magpies (Family Corvidae) View Observations
            • Crows and Ravens (Genus Corvus) View Observations
              • Common Raven (Corvus corax) View Observations
              • American Crow (Corvus brachyrhynchos) View Observations
            • Blue and Steller's Jays (Genus Cyanocitta) View Observations
              • Blue Jay (Cyanocitta cristata) View Observations
            • True Magpies (Genus Pica) View Observations
              • Black-billed Magpie (Pica hudsonia) View Observations
            • Boreal Jays (Genus Perisoreus) View Observations
              • Canada Jay (Perisoreus canadensis) View Observations
          • Finches, Euphonias, and Allies (Family Fringillidae) View Observations
            • Siskins and New World Goldfinches (Genus Spinus) View Observations
              • American Goldfinch (Spinus tristis) View Observations
            • American Rosefinches (Genus Haemorhous) View Observations
              • House Finch (Haemorhous mexicanus) View Observations
              • Purple Finch (Haemorhous purpureus) View Observations
            • Genus Pinicola View Observations
              • Pine Grosbeak (Pinicola enucleator) View Observations
          • Tyrant Flycatchers (Family Tyrannidae) View Observations
            • Myiarchus Flycatchers (Genus Myiarchus) View Observations
              • Great Crested Flycatcher (Myiarchus crinitus) View Observations
      • Mammals (Class Mammalia) View Observations
        • Therians (Subclass Theria) View Observations
          • Placental Mammals (Infraclass Placentalia) View Observations
            • Primates, Rodents, and Allies (Superorder Euarchontoglires) View Observations
              • Lagomorphs (Order Lagomorpha) View Observations
                • Hares and Rabbits (Family Leporidae) View Observations
                  • Cottontail Rabbits (Genus Sylvilagus) View Observations
                    • Eastern Cottontail (Sylvilagus floridanus) View Observations
                  • Hares and Jackrabbits (Genus Lepus) View Observations
                    • Snowshoe Hare (Lepus americanus) View Observations
              • Rodents (Order Rodentia) View Observations
                • Squirrels, Dormice, and Mountain Beavers (Suborder Sciuromorpha) View Observations
                  • Squirrels (Family Sciuridae) View Observations
                    • Typical and Flying Squirrels (Subfamily Sciurinae) View Observations
                      • Typical Squirrels (Tribe Sciurini) View Observations
                        • Tree Squirrels (Genus Sciurus) View Observations
                          • Subgenus Neosciurus View Observations
                            • Eastern Grey Squirrel (Sciurus carolinensis) View Observations
                        • Pine Squirrels (Genus Tamiasciurus) View Observations
                          • American Red Squirrel (Tamiasciurus hudsonicus) View Observations
                    • Ground and African Tree Squirrels (Subfamily Xerinae) View Observations
                      • Chipmunks (Tribe Tamiini) View Observations
                        • Genus Tamias View Observations
                          • Eastern Chipmunk (Tamias striatus) View Observations
                      • Holarctic Ground Squirrels (Tribe Marmotini) View Observations
                        • Long-tailed Ground Squirrels (Genus Urocitellus) View Observations
                          • Richardson's Ground Squirrel (Urocitellus richardsonii) View Observations
                        • Marmots (Genus Marmota) View Observations
                          • Groundhog (Marmota monax) View Observations
                • Beavers, Pocket Gophers, and Allies (Suborder Castorimorpha) View Observations
                  • Beavers (Family Castoridae) View Observations
                    • Beavers (Genus Castor) View Observations
                      • Canadian Beaver (Castor canadensis) View Observations
                • Ctenohystricans (Suborder Hystricomorpha) View Observations
                  • Hystricognaths (Infraorder Hystricognathi) View Observations
                    • New World Porcupines (Superfamily Erethizontoidea) View Observations
                      • New World Porcupines (Family Erethizontidae) View Observations
                        • Neotropical and North American Porcupines (Subfamily Erethizontinae) View Observations
                          • Genus Erethizon View Observations
                            • North American Porcupine (Erethizon dorsatum) View Observations
                • Mice, Rats, and Hamsters (Suborder Myomorpha) View Observations
                  • Muroids (Superfamily Muroidea) View Observations
                    • Hamsters, Voles, Lemmings, and Allies (Family Cricetidae) View Observations
                      • Voles, Lemmings, and Muskrats (Subfamily Arvicolinae) View Observations
                        • Microtine Voles (Tribe Microtini) View Observations
                          • Meadow Voles (Genus Microtus) View Observations
                            • Meadow Vole (Microtus pennsylvanicus) View Observations
                      • North American Mice and Rats (Subfamily Neotominae) View Observations
                        • Harvest and Deer Mice (Tribe Reithrodontomyini) View Observations
                          • North American Deer Mice (Genus Peromyscus) View Observations
                            • Deer Mouse (Peromyscus maniculatus) View Observations
            • Ungulates, Carnivorans, and Allies (Superorder Laurasiatheria) View Observations
              • Even-toed Ungulates and Cetaceans (Order Artiodactyla) View Observations
                • Ruminants (Suborder Ruminantia) View Observations
                  • Deer (Family Cervidae) View Observations
                    • New World Deer (Subfamily Capreolinae) View Observations
                      • Mooses (Tribe Alceini) View Observations
                        • Genus Alces View Observations
                          • Moose (Alces alces) View Observations
                      • True New World Deer and Caribou (Tribe Odocoileini) View Observations
                        • White-tailed and Mule Deer (Genus Odocoileus) View Observations
                          • White-tailed Deer (Odocoileus virginianus) View Observations
                  • Bovids (Family Bovidae) View Observations
                    • Bovines (Subfamily Bovinae) View Observations
                      • Cattle and Bison (Tribe Bovini) View Observations
                        • Bison (Genus Bison) View Observations
                          • American Bison (Bison bison) View Observations
              • Carnivorans (Order Carnivora) View Observations
                • Pinnipeds (Superfamily Phocoidea) View Observations
                  • Earless Seals (Family Phocidae) View Observations
                    • Gray Seals (Genus Halichoerus) View Observations
                      • Grey Seal (Halichoerus grypus) View Observations
                        • Atlantic Grey Seal (Halichoerus grypus ssp. atlantica) View Observations
                • Bears (Family Ursidae) View Observations
                  • Typical Bears (Subfamily Ursinae) View Observations
                    • Holarctic Bears (Genus Ursus) View Observations
                      • American Black Bear (Ursus americanus) View Observations
                • Raccoons, Coatis, and Allies (Family Procyonidae) View Observations
                  • Raccoons (Genus Procyon) View Observations
                    • Common Raccoon (Procyon lotor) View Observations
                • Mustelids (Family Mustelidae) View Observations
                  • Otters (Subfamily Lutrinae) View Observations
                    • New World River Otters (Genus Lontra) View Observations
                      • North American River Otter (Lontra canadensis) View Observations
                  • Weasels (Subfamily Mustelinae) View Observations
                    • Large New World Weasels (Genus Neogale) View Observations
                      • American Mink (Neogale vison) View Observations
                    • Typical Weasels (Genus Mustela) View Observations
                      • Least Weasel (Mustela nivalis) View Observations
                  • Wolverines, Martens, and Tayras (Subfamily Guloninae) View Observations
                    • Martens (Genus Martes) View Observations
                      • American Marten (Martes americana) View Observations
                • Skunks and Stink-Badgers (Family Mephitidae) View Observations
                  • True Skunks (Subfamily Mephitinae) View Observations
                    • Striped and Hooded Skunks (Genus Mephitis) View Observations
                      • Striped Skunk (Mephitis mephitis) View Observations
                • Canids (Family Canidae) View Observations
                  • Wolves and Dogs (Genus Canis) View Observations
                    • Grey Wolf (Canis lupus) View Observations
                    • Coyote (Canis latrans) View Observations
                    • Domestic Dog (Canis familiaris) View Observations
                  • Typical Foxes (Genus Vulpes) View Observations
                    • Red Fox (Vulpes vulpes) View Observations
      • Ray-finned Fishes (Class Actinopterygii) View Observations
        • Perch-like Fishes (Order Perciformes) View Observations
          • Suborder Percoidei View Observations
            • Perches, Darters, and Allies (Family Percidae) View Observations
              • Perches, Ruffes, and Allies (Subfamily Percinae) View Observations
                • Perches (Genus Perca) View Observations
                  • Yellow Perch (Perca flavescens) View Observations
        • Catfishes (Order Siluriformes) View Observations
          • Suborder Siluroidei View Observations
            • North American Freshwater Catfishes (Family Ictaluridae) View Observations
              • Bullheads (Genus Ameiurus) View Observations
                • Brown Bullhead (Ameiurus nebulosus) View Observations
  • Molluscs (Phylum Mollusca) View Observations
    • Gastropods (Class Gastropoda) View Observations
      • Caenogastropods (Subclass Caenogastropoda) View Observations
        • Order Neogastropoda View Observations
          • True Whelks and Allies (Superfamily Buccinoidea) View Observations
            • True Whelks (Family Buccinidae) View Observations
              • Subfamily Buccininae View Observations
                • Genus Buccinum View Observations
                  • Common Whelk (Buccinum undatum) View Observations
        • Order Littorinimorpha View Observations
          • Periwinkle Snails and Allies (Superfamily Littorinoidea) View Observations
            • Periwinkle Snails (Family Littorinidae) View Observations
              • Subfamily Littorininae View Observations
                • Genus Littorina View Observations
                  • Complex Littorina obtusata View Observations
                    • Flat Periwinkle (Littorina obtusata) View Observations
                  • Common Periwinkle (Littorina littorea) View Observations
          • Superfamily Calyptraeoidea View Observations
            • Slippersnails (Family Calyptraeidae) View Observations
              • Typical Slippersnails (Genus Crepidula) View Observations
                • Common Atlantic Slippersnail (Crepidula fornicata) View Observations
      • Heterobranchs (Subclass Heterobranchia) View Observations
        • Infraclass Euthyneura View Observations
          • Subterclass Tectipleura View Observations
            • Superorder Hygrophila View Observations
              • Pond Snails, Bladder Snails, and Allies (Superfamily Lymnaeoidea) View Observations
                • Pond and Melantho Snails (Family Lymnaeidae) View Observations
                  • Pond Snails (Subfamily Lymnaeinae) View Observations
                    • Genus Ladislavella View Observations
                      • Marsh Pond Snail (Ladislavella elodes) View Observations
            • Superorder Eupulmonata View Observations
              • Common Land Snails and Slugs (Order Stylommatophora) View Observations
                • Helicinan Snails and Slugs (Suborder Helicina) View Observations
                  • Infraorder Arionoidei View Observations
                    • Roundback Slugs and Allies (Superfamily Arionoidea) View Observations
                      • Roundback Slugs (Family Arionidae) View Observations
                        • Arion Slugs (Genus Arion) View Observations
                          • Dusky Slugs (Subgenus Mesarion) View Observations
                            • Western Dusky Slug (Arion subfuscus) View Observations
                  • Helicoid and Sagdoid Land Snails (Infraorder Helicoidei) View Observations
                    • Helicoid Land Snails (Superfamily Helicoidea) View Observations
                      • Helix Snails (Family Helicidae) View Observations
                        • Subfamily Helicinae View Observations
                          • Tribe Allognathini View Observations
                            • Genus Cepaea View Observations
                              • White-lipped Snail (Cepaea hortensis) View Observations
                      • Leaf Snails (Family Hygromiidae) View Observations
                        • Subfamily Trochulininae View Observations
                          • Tribe Trochulini View Observations
                            • Genus Trochulus View Observations
                              • Hairy Snail (Trochulus hispidus) View Observations
                  • Infraorder Succineoidei View Observations
                    • Superfamily Succineoidea View Observations
                      • Amber Snails (Family Succineidae) View Observations
                        • Subfamily Succineinae View Observations
                          • Genus Succinea View Observations
                            • Common European Ambersnail (Succinea putris) View Observations
    • Bivalves (Class Bivalvia) View Observations
      • Subclass Autobranchia View Observations
        • Infraclass Heteroconchia View Observations
          • Freshwater Mussels and Brooch Clams (Subterclass Palaeoheterodonta) View Observations
            • Freshwater Mussels (Order Unionida) View Observations
              • Superfamily Unionoidea View Observations
                • River Mussels (Family Unionidae) View Observations
                  • Subfamily Ambleminae View Observations
                    • Tribe Amblemini View Observations
                      • Genus Amblema View Observations
                        • Three-ridge Mussel (Amblema plicata) View Observations
          • Subterclass Euheterodonta View Observations
            • Superorder Imparidentia View Observations
              • Order Venerida View Observations
                • Superfamily Mactroidea View Observations
                  • Trough Shells (Family Mactridae) View Observations
                    • Surfclams (Subfamily Mactrinae) View Observations
                      • Genus Spisula View Observations
                        • West Atlantic Surfclam (Spisula solidissima) View Observations
                  • Family Mesodesmatidae View Observations
                    • Genus Mesodesma View Observations
                      • Wedgeclam (Mesodesma arctatum) View Observations
              • Order Adapedonta View Observations
                • Jacknife and Razor Clams (Superfamily Solenoidea) View Observations
                  • Family Pharidae View Observations
                    • Subfamily Cultellinae View Observations
                      • Genus Ensis View Observations
                        • Atlantic Jackknife (Ensis leei) View Observations
              • Order Myida View Observations
                • Superfamily Dreissenoidea View Observations
                  • Family Dreissenidae View Observations
                    • Subfamily Dreisseninae View Observations
                      • Dreissena Mussels (Genus Dreissena) View Observations
                        • Zebra Mussel (Dreissena polymorpha) View Observations
                • Superfamily Myoidea View Observations
                  • Softshell Clams (Family Myidae) View Observations
                    • Genus Mya View Observations
                      • Soft-shelled Clam (Mya arenaria) View Observations
        • Infraclass Pteriomorphia View Observations
          • Order Mytilida View Observations
            • Superfamily Mytiloidea View Observations
              • True Mussels (Family Mytilidae) View Observations
                • Horsemussels (Subfamily Modiolinae) View Observations
                  • Genus Modiolus View Observations
                    • Northern Horsemussel (Modiolus modiolus) View Observations
                • Subfamily Mytilinae View Observations
                  • Black Mussels (Genus Mytilus) View Observations
                    • Blue Mussel Complex (Complex Mytilus edulis) View Observations
                      • Blue Mussel (Mytilus edulis) View Observations
  • Arthropods (Phylum Arthropoda) View Observations
    • Chelicerates (Subphylum Chelicerata) View Observations
      • Arachnids (Class Arachnida) View Observations
        • Spiders (Order Araneae) View Observations
          • Typical Spiders (Suborder Araneomorphae) View Observations
            • Entelegyne Spiders (Infraorder Entelegynae) View Observations
              • Araneoid Spiders (Superfamily Araneoidea) View Observations
                • Cobweb Spiders (Family Theridiidae) View Observations
                  • Subfamily Latrodectinae View Observations
                    • False Widow Spiders (Genus Steatoda) View Observations
                      • Boreal Combfoot (Steatoda borealis) View Observations
                • Orbweavers (Family Araneidae) View Observations
                  • Typical Orbweavers (Subfamily Araneinae) View Observations
                    • Angulate and Roundshouldered Orbweavers (Genus Araneus) View Observations
                      • Nordmann's Orbweaver (Araneus nordmanni) View Observations
                      • Lattice Orbweaver (Araneus thaddeus) View Observations
                      • Cat-faced Orbweaver (Araneus gemmoides) View Observations
                    • Cucumber Spiders (Genus Araniella) View Observations
                      • Six-spotted Orbweaver (Araniella displicata) View Observations
                • Sheetweb and Dwarf Weavers (Family Linyphiidae) View Observations
                  • Sheet-Weavers (Subfamily Linyphiinae) View Observations
                    • Genus Frontinella View Observations
                      • Bowl-and-doily Spider (Frontinella pyramitela) View Observations
                  • Dwarf Spiders (Subfamily Erigoninae) View Observations
                    • Genus Hypselistes View Observations
                      • Peatland Sheetweb Weaver (Hypselistes florens) View Observations
              • Wolf Spiders and Allies (Superfamily Lycosoidea) View Observations
                • Nursery Web Spiders (Family Pisauridae) View Observations
                  • Fishing Spiders (Genus Dolomedes) View Observations
                    • Dark Fishing Spider (Dolomedes tenebrosus) View Observations
              • Crab and Running Crab Spiders (Superfamily Thomisoidea) View Observations
                • Running Crab Spiders (Family Philodromidae) View Observations
                  • Running Crab Spiders (Genus Philodromus) View Observations
                    • Complex Philodromus rufus View Observations
                      • White-striped Running Crab Spider (Philodromus rufus) View Observations
              • Salticoid Spiders (Superfamily Salticoidea) View Observations
                • Jumping Spiders (Family Salticidae) View Observations
                  • Typical Jumping Spiders (Subfamily Salticinae) View Observations
                    • Tribe Dendryphantini View Observations
                      • Subtribe Dendryphantina View Observations
                        • Genus Eris View Observations
                          • Bronze Jumping Spider (Eris militaris) View Observations
                    • Tribe Euophryini View Observations
                      • Genus Naphrys View Observations
                        • Flea Jumping Spider (Naphrys pulex) View Observations
                    • Tribe Salticini View Observations
                      • Zebra Spiders (Genus Salticus) View Observations
                        • Zebra Jumping Spider (Salticus scenicus) View Observations
        • Harvestmen (Order Opiliones) View Observations
          • Eupnoan Harvestmen (Suborder Eupnoi) View Observations
            • Superfamily Phalangioidea View Observations
              • Phalangiid Harvestmen (Family Phalangiidae) View Observations
                • Subfamily Phalangiinae View Observations
                  • Genus Rilaena View Observations
                    • Spring Harvestman (Rilaena triangularis) View Observations
        • Mites and Ticks (Subclass Acari) View Observations
          • Superorder Parasitiformes View Observations
            • Ticks (Order Ixodida) View Observations
              • Hardbacked Ticks (Family Ixodidae) View Observations
                • Dog Ticks (Genus Dermacentor) View Observations
                  • American Dog Tick (Dermacentor variabilis) View Observations
          • Superorder Acariformes View Observations
            • Order Sarcoptiformes View Observations
              • Endeostigmatan Mites (Suborder Endeostigmata) View Observations
                • Superfamily Eriophyoidea View Observations
                  • Gall and Rust Mites (Family Eriophyidae) View Observations
                    • Subfamily Phyllocoptinae View Observations
                      • Tribe Phyllocoptini View Observations
                        • Genus Vasates View Observations
                          • Maple Bladdergall Mite (Vasates quadripedes) View Observations
                        • Genus Phyllocoptes View Observations
                          • Phyllocoptes didelphis View Observations
                    • Subfamily Eriophyinae View Observations
                      • Tribe Aceriini View Observations
                        • Genus Acalitus View Observations
                          • Beech Erineum Mite (Acalitus ferrugineum) View Observations
                        • Genus Aceria View Observations
                          • Poplar Budgall Mite (Aceria parapopuli) View Observations
                          • Ash Flower Gall Mite (Aceria fraxiniflora) View Observations
                          • Box Elder Pouch Gall Mite (Aceria negundi) View Observations
                          • Elm Finger Gall Mite (Aceria parulmi) View Observations
                          • Oak Blister Gall Mite (Aceria querci) View Observations
                      • Tribe Eriophyini View Observations
                        • Genus Eriophyes View Observations
                          • Black Cherry Leaf Gall Mite (Eriophyes cerasicrumena) View Observations
                          • Eriophyes aceris View Observations
                          • Red Nail Gall Mite (Eriophyes tiliae) View Observations
                          • Plum Finger Gall Mite (Eriophyes emarginatae) View Observations
                          • Alder Leaf Gall Mite (Eriophyes laevis) View Observations
    • Hexapods (Subphylum Hexapoda) View Observations
      • Insects (Class Insecta) View Observations
        • Winged and Once-winged Insects (Subclass Pterygota) View Observations
          • Butterflies and Moths (Order Lepidoptera) View Observations
            • Pygmy Leafminer Moths (Superfamily Nepticuloidea) View Observations
              • Pygmy Eye-capped Moths (Family Nepticulidae) View Observations
                • Genus Ectoedemia View Observations
                  • Section Ectoedemia populella group View Observations
                    • Aspen Petiole Gall Moth (Ectoedemia populella) View Observations
                • Genus Stigmella View Observations
                  • Section Stigmella lemniscella View Observations
                    • Stigmella apicialbella View Observations
            • Tortricid Leafroller Moths and Allies (Superfamily Tortricoidea) View Observations
              • Tortricid Leafroller Moths (Family Tortricidae) View Observations
                • Olethreutine Leafroller Moths (Subfamily Olethreutinae) View Observations
                  • Tribe Olethreutini View Observations
                    • Olethreutes Moths (Genus Olethreutes) View Observations
                      • Hydrangea Leaftier Moth (Olethreutes ferriferana) View Observations
                  • Tribe Eucosmini View Observations
                    • Genus Epinotia View Observations
                      • Diamondback Epinotia Moth (Epinotia lindana) View Observations
                    • Genus Sonia View Observations
                      • Canadian Sonia Moth (Sonia canadana) View Observations
                    • Pine Cone- and Shoot-Borer Moths (Genus Eucopina) View Observations
                      • White Pine Coneborer Moth (Eucopina tocullionana) View Observations
                • Tortricine Leafroller Moths (Subfamily Tortricinae) View Observations
                  • Tribe Archipini View Observations
                    • Genus Archips View Observations
                      • Section Archips cerasivorana View Observations
                        • Ugly-nest Caterpillar Moth (Archips cerasivorana) View Observations
                    • Genus Choristoneura View Observations
                      • Spruce Budworm Moth (Choristoneura fumiferana) View Observations
                      • Jack Pine Budworm Moth (Choristoneura pinus) View Observations
            • Butterflies (Superfamily Papilionoidea) View Observations
              • Brush-footed Butterflies (Family Nymphalidae) View Observations
                • Checkerspots, Anglewings, Peacocks, and Allies (Subfamily Nymphalinae) View Observations
                  • Ladies, Anglewings, and Allies (Tribe Nymphalini) View Observations
                    • Tortoiseshells (Genus Nymphalis) View Observations
                      • Compton Tortoiseshell (Nymphalis l-album) View Observations
                      • Mourning Cloak (Nymphalis antiopa) View Observations
              • Gossamer-winged Butterflies (Family Lycaenidae) View Observations
                • Blues (Subfamily Polyommatinae) View Observations
                  • Typical Blues (Tribe Polyommatini) View Observations
                    • Subtribe Lycaenopsina View Observations
                      • Holarctic Azures (Genus Celastrina) View Observations
                        • Northern Azure (Celastrina lucia) View Observations
            • Owlet Moths and Allies (Superfamily Noctuoidea) View Observations
              • Underwing, Tiger, Tussock, and Allied Moths (Family Erebidae) View Observations
                • Tiger Moths and Allies (Subfamily Arctiinae) View Observations
                  • Tiger Moths (Tribe Arctiini) View Observations
                    • Subtribe Spilosomina View Observations
                      • Genus Spilosoma View Observations
                        • Virginian Tiger Moth (Spilosoma virginica) View Observations
                • Tussock Moths (Subfamily Lymantriinae) View Observations
                  • Tribe Lymantriini View Observations
                    • Genus Lymantria View Observations
                      • Spongy Moth (Lymantria dispar) View Observations
                  • Tribe Nygmiini View Observations
                    • Genus Euproctis View Observations
                      • Browntail Moth (Euproctis chrysorrhoea) View Observations
              • Cutworm Moths and Allies (Family Noctuidae) View Observations
                • Subfamily Amphipyrinae View Observations
                  • Tribe Amphipyrini View Observations
                    • Genus Amphipyra View Observations
                      • Copper Underwing (Amphipyra pyramidoides) View Observations
                  • Tribe Psaphidini View Observations
                    • Subtribe Feraliina View Observations
                      • Genus Feralia View Observations
                        • The Joker (Feralia jocosa) View Observations
                    • Subtribe Psaphidina View Observations
                      • Genus Copivaleria View Observations
                        • Grote's Sallow (Copivaleria grotei) View Observations
            • Geometrid and Swallowtail Moths (Superfamily Geometroidea) View Observations
              • Geometer Moths (Family Geometridae) View Observations
                • Carpet Moths (Subfamily Larentiinae) View Observations
                  • Tribe Trichopterygini View Observations
                    • Genus Cladara View Observations
                      • Mottled Gray and Angle-lined Carpet Moths (Complex Cladara limitaria) View Observations
                        • Mottled Gray Carpet (Cladara limitaria) View Observations
                • Subfamily Ennominae View Observations
                  • Tribe Ennomini View Observations
                    • Genus Ennomos View Observations
                      • Elm Spanworm Moth (Ennomos subsignaria) View Observations
                    • Genus Eutrapela View Observations
                      • Curved-toothed Geometer Moth (Eutrapela clemataria) View Observations
                  • Tribe Erannini View Observations
                    • Genus Erannis View Observations
                      • Linden Looper Moth (Erannis tiliaria) View Observations
                  • Tribe Baptini View Observations
                    • Genus Lomographa View Observations
                      • Gray Spring Moth (Lomographa glomeraria) View Observations
                  • Tribe Melanolophiini View Observations
                    • Powdered Geometer Moths (Genus Eufidonia) View Observations
                      • Powder Moth (Eufidonia notataria) View Observations
                  • Tribe Bistonini View Observations
                    • Genus Paleacrita View Observations
                      • Spring Cankerworm Moth (Paleacrita vernata) View Observations
                    • Genus Lycia View Observations
                      • Stout Spanworm Moth (Lycia ursaria) View Observations
                • Waves and Mochas (Subfamily Sterrhinae) View Observations
                  • Tribe Cosymbiini View Observations
                    • Mochas (Genus Cyclophora) View Observations
                      • Sweetfern Geometer Moth (Cyclophora pendulinaria) View Observations
            • Pyralid and Crambid Snout Moths (Superfamily Pyraloidea) View Observations
              • Crambid Snout Moths (Family Crambidae) View Observations
                • Pearl Moths (Subfamily Spilomelinae) View Observations
                  • Tribe Nomophilini View Observations
                    • Genus Diacme View Observations
                      • Darker Diacme Moth (Diacme adipaloides) View Observations
            • Curved-horn Moths (Superfamily Gelechioidea) View Observations
              • Flower Moths (Family Scythrididae) View Observations
                • Genus Scythris View Observations
                  • Chenopodium Scythris Moth (Scythris limbella) View Observations
              • Family Autostichidae View Observations
                • Subfamily Symmocinae View Observations
                  • Genus Taygete View Observations
                    • Triangle-marked Twirler Moth (Taygete attributella) View Observations
              • Twirler Moths (Family Gelechiidae) View Observations
                • Subfamily Gelechiinae View Observations
                  • Tribe Gnorimoschemini View Observations
                    • Genus Gnorimoschema View Observations
                      • Gnorimoschema jocelynae View Observations
                      • Goldenrod Elliptical-Gall Moth (Gnorimoschema gallaesolidaginis) View Observations
            • Superfamily Lasiocampoidea View Observations
              • Lappet Moths (Family Lasiocampidae) View Observations
                • Subfamily Lasiocampinae View Observations
                  • Tribe Lasiocampini View Observations
                    • Tent Caterpillar Moths (Genus Malacosoma) View Observations
                      • Eastern Tent Caterpillar Moth (Malacosoma americana) View Observations
            • Superfamily Gracillarioidea View Observations
              • Leaf Blotch Miner Moths (Family Gracillariidae) View Observations
                • Subfamily Lithocolletinae View Observations
                  • Genus Cameraria View Observations
                    • Hazel Blotchminer (Cameraria corylisella) View Observations
            • Bagworms, Clothes Moths, and Allies (Superfamily Tineoidea) View Observations
              • Fungus Moths, Clothes Moths, & Allies (Family Tineidae) View Observations
                • Subfamily Tineinae View Observations
                  • Genus Phereoeca View Observations
                    • Household Casebearer (Phereoeca uterella) View Observations
              • Bagworm Moths (Family Psychidae) View Observations
                • Subfamily Psychinae View Observations
                  • Genus Psyche View Observations
                    • Common Bagworm Moth (Psyche casta) View Observations
                • Subfamily Taleporiinae View Observations
                  • Genus Siederia View Observations
                    • Siederia walshella View Observations
          • Ants, Bees, Wasps, and Sawflies (Order Hymenoptera) View Observations
            • Narrow-waisted Wasps, Ants, and Bees (Suborder Apocrita) View Observations
              • Ants, Bees, and Stinging Wasps (Infraorder Aculeata) View Observations
                • Superfamily Formicoidea View Observations
                  • Ants (Family Formicidae) View Observations
                    • Odorous Ants (Subfamily Dolichoderinae) View Observations
                      • Tribe Tapinomini View Observations
                        • Genus Tapinoma View Observations
                          • Odorous House Ant (Tapinoma sessile) View Observations
                    • Formicine Ants (Subfamily Formicinae) View Observations
                      • Camponotine Ants (Tribe Camponotini) View Observations
                        • Carpenter Ants (Genus Camponotus) View Observations
                          • True Carpenter Ants (Subgenus Camponotus) View Observations
                            • Eastern Black Carpenter Ant (Camponotus pennsylvanicus) View Observations
                      • Wood, Mound, Field Ants, and Allies (Tribe Formicini) View Observations
                        • Wood, Mound, and Field Ants (Genus Formica) View Observations
                          • Integra-group Field Ants (Complex Formica integra) View Observations
                            • Western Thatching Ant (Formica obscuripes) View Observations
                          • Neogagates-group Field Ants (Complex Formica neogagates) View Observations
                            • Formica neogagates View Observations
                • Bees and Apoid Wasps (Superfamily Apoidea) View Observations
                  • Bees (Epifamily Anthophila) View Observations
                    • Honey Bees, Bumble Bees, and Allies (Family Apidae) View Observations
                      • Apine Bees (Subfamily Apinae) View Observations
                        • Tribe Bombini View Observations
                          • Bumble Bees (Genus Bombus) View Observations
                            • Subgenus Pyrobombus View Observations
                              • Common Eastern Bumble Bee (Bombus impatiens) View Observations
                              • Tricolored Bumble Bee (Bombus ternarius) View Observations
                              • Two-spotted Bumble Bee (Bombus bimaculatus) View Observations
                        • Honey Bees (Tribe Apini) View Observations
                          • Honey Bees (Genus Apis) View Observations
                            • Cavity-nesting Honey Bees (Subgenus Apis) View Observations
                              • Western Honey Bee (Apis mellifera) View Observations
                    • Sweat Bees (Family Halictidae) View Observations
                      • Sweat and Furrow Bees (Subfamily Halictinae) View Observations
                        • Augochlorine Sweat Bees (Tribe Augochlorini) View Observations
                          • Genus Augochlora View Observations
                            • Subgenus Augochlora View Observations
                              • Pure Green Sweat Bee (Augochlora pura) View Observations
                          • Genus Augochlorella View Observations
                            • Golden Sweat Bee (Augochlorella aurata) View Observations
                    • Mining Bees (Family Andrenidae) View Observations
                      • Typical Mining Bees (Subfamily Andreninae) View Observations
                        • Tribe Andrenini View Observations
                          • Mining Bees (Genus Andrena) View Observations
                            • Subgenus Andrena View Observations
                              • Milwaukee Mining Bee (Andrena milwaukeensis) View Observations
                            • Subgenus Melandrena View Observations
                              • Dunning's Miner (Andrena dunningi) View Observations
                • Vespoid Wasps (Superfamily Vespoidea) View Observations
                  • Hornets, Paper Wasps, Potter Wasps, and Allies (Family Vespidae) View Observations
                    • Hornets and Yellowjackets (Subfamily Vespinae) View Observations
                      • Ground Yellowjackets (Genus Vespula) View Observations
                        • German Yellowjacket (Vespula germanica) View Observations
              • Infraorder Proctotrupomorpha View Observations
                • Gall Wasps and Allies (Superfamily Cynipoidea) View Observations
                  • Gall Wasps (Family Cynipidae) View Observations
                    • Subfamily Cynipinae View Observations
                      • Rose Gall Wasps (Tribe Diplolepidini) View Observations
                        • Genus Diplolepis View Observations
                          • Diplolepis inconspicuis View Observations
                          • Mossy Rose Gall Wasp (Diplolepis rosae) View Observations
                          • Diplolepis bicolor View Observations
                          • Diplolepis nebulosa View Observations
                          • Diplolepis rosaefolii View Observations
                          • Spiny Leaf Gall Wasp (Diplolepis polita) View Observations
                          • Diplolepis ignota View Observations
                          • Diplolepis spinosa View Observations
                          • Diplolepis triforma View Observations
                      • Tribe Diastrophini View Observations
                        • Genus Diastrophus View Observations
                          • Diastrophus turgidus View Observations
                      • Oak Gall Wasps (Tribe Cynipini) View Observations
                        • Genus Bassettia View Observations
                          • Bassettia flavipes View Observations
                        • Genus Philonix View Observations
                          • Philonix fulvicollis View Observations
                        • Genus Druon View Observations
                          • Druon ignotum View Observations
                        • Genus Amphibolips View Observations
                          • Small Oak Apple Gall Wasp (Amphibolips quercusostensackenii) View Observations
                        • Genus Acraspis View Observations
                          • Jewel Oak Gall Wasp (Acraspis quercushirta) View Observations
                        • Genus Andricus View Observations
                          • Oak Petiole Gall Wasp (Andricus quercuspetiolicola) View Observations
                          • Andricus foliaformis View Observations
                          • Oak Rosette Gall Wasp (Andricus quercusfrondosus) View Observations
                        • Genus Neuroterus View Observations
                          • Neuroterus floccosus View Observations
                          • Oak Flake Gall Wasp (Neuroterus quercusverrucarum) View Observations
                        • Genus Disholcaspis View Observations
                          • Disholcaspis bassetti View Observations
                          • Oak Rough Bulletgall Wasp (Disholcaspis quercusmamma) View Observations
                        • Genus Callirhytis View Observations
                          • Oak Wart Gall Wasp (Callirhytis quercusfutilis) View Observations
                        • Genus Trigonaspis View Observations
                          • Oak Fig Gall Wasp (Trigonaspis quercusforticorne) View Observations
                        • Genus Dryocosmus View Observations
                          • Succulent Oak Gall Wasp (Dryocosmus quercuspalustris) View Observations
                • Chalcidoid Wasps (Superfamily Chalcidoidea) View Observations
                  • Family Ormyridae View Observations
                    • Genus Hemadas View Observations
                      • Blueberry Stem Gall Wasp (Hemadas nubilipennis) View Observations
            • Sawflies, Horntails, and Wood Wasps (Suborder Symphyta) View Observations
              • Superfamily Pamphilioidea View Observations
                • Web-spinning Sawflies (Family Pamphiliidae) View Observations
                  • Subfamily Cephalciinae View Observations
                    • Genus Acantholyda View Observations
                      • Pine False Webworm (Acantholyda erythrocephala) View Observations
              • Typical Sawflies (Superfamily Tenthredinoidea) View Observations
                • Common Sawflies (Family Tenthredinidae) View Observations
                  • Subfamily Nematinae View Observations
                    • Tribe Nematini View Observations
                      • Genus Euura View Observations
                        • Euura salicisnodus View Observations
                        • Willow Redgall Sawfly (Euura proxima) View Observations
                    • Tribe Cladiini View Observations
                      • Genus Cladius View Observations
                        • Bristly Rose Sawfly (Cladius pectinicornis) View Observations
          • Beetles (Order Coleoptera) View Observations
            • Ground and Water Beetles (Suborder Adephaga) View Observations
              • Superfamily Caraboidea View Observations
                • Ground Beetles (Family Carabidae) View Observations
                  • Subfamily Pterostichinae View Observations
                    • Tribe Zabrini View Observations
                      • Subtribe Amarina View Observations
                        • Sun Beetles (Genus Amara) View Observations
                          • Subgenus Amara View Observations
                            • Common Sun Beetle (Amara aenea) View Observations
            • Water, Rove, Scarab, Long-horned, Leaf, and Snout Beetles (Suborder Polyphaga) View Observations
              • Bostrichiform Beetles (Infraorder Bostrichiformia) View Observations
                • Carpet, Powderpost, and Deathwatch Beetles (Superfamily Bostrichoidea) View Observations
                  • Skin Beetles (Family Dermestidae) View Observations
                    • Subfamily Dermestinae View Observations
                      • Tribe Dermestini View Observations
                        • Skin Beetles (Genus Dermestes) View Observations
                          • Subgenus Dermestes View Observations
                            • Larder Beetle (Dermestes lardarius) View Observations
                    • Subfamily Megatominae View Observations
                      • Tribe Anthrenini View Observations
                        • Carpet Beetles (Genus Anthrenus) View Observations
                          • Subgenus Florilinus View Observations
                            • Museum Beetle (Anthrenus museorum) View Observations
                      • Tribe Megatomini View Observations
                        • Genus Reesa View Observations
                          • Undertaker Carpet Beetle (Reesa vespulae) View Observations
              • Cucujiform Beetles (Infraorder Cucujiformia) View Observations
                • Leaf Beetles and Allies (Superfamily Chrysomeloidea) View Observations
                  • Leaf Beetles (Family Chrysomelidae) View Observations
                    • Skeletonizing Leaf and Flea Beetles (Subfamily Galerucinae) View Observations
                      • Flea Beetles (Tribe Alticini) View Observations
                        • Genus Phyllotreta View Observations
                          • Striped Flea Beetle (Phyllotreta striolata) View Observations
                        • Genus Systena View Observations
                          • Red-headed Flea Beetle (Systena frontalis) View Observations
                      • Tribe Galerucini View Observations
                        • Genus Galerucella View Observations
                          • Subgenus Galerucella View Observations
                            • Waterlily Leaf Beetle (Galerucella nymphaeae) View Observations
                • Superfamily Lymexyloidea View Observations
                  • Ship-timber Beetles (Family Lymexylidae) View Observations
                    • Subfamily Hylecoetinae View Observations
                      • Genus Hylecoetus View Observations
                        • Sapwood Timberworm Beetle (Hylecoetus lugubris) View Observations
                • Lady, Fungus, Scavenger, and Bark Beetles (Superfamily Coccinelloidea) View Observations
                  • Lady Beetles (Family Coccinellidae) View Observations
                    • Common Lady Beetles (Subfamily Coccinellinae) View Observations
                      • Black-spotted Lady Beetles (Tribe Coccinellini) View Observations
                        • Greater Lady Beetles (Genus Harmonia) View Observations
                          • Asian Lady Beetle (Harmonia axyridis) View Observations
                        • Genus Coccinella View Observations
                          • Seven-spotted Lady Beetle (Coccinella septempunctata) View Observations
                • Darkling Beetles and Allies (Superfamily Tenebrionoidea) View Observations
                  • Polypore Fungus Beetles (Family Tetratomidae) View Observations
                    • Subfamily Eustrophinae View Observations
                      • Genus Eustrophopsis View Observations
                        • Eustrophopsis bicolor View Observations
                • Snout and Bark Beetles (Superfamily Curculionoidea) View Observations
                  • Fungus Weevils (Family Anthribidae) View Observations
                    • Subfamily Anthribinae View Observations
                      • Tribe Anthribini View Observations
                        • Genus Anthribus View Observations
                          • Anthribus nebulosus View Observations
                  • True Weevils (Family Curculionidae) View Observations
                    • Broad-nosed Weevils (Subfamily Entiminae) View Observations
                      • Tribe Otiorhynchini View Observations
                        • Genus Otiorhynchus View Observations
                          • Subgenus Pendragon View Observations
                            • Strawberry Root Weevil (Otiorhynchus ovatus) View Observations
                      • Oriental Broad-nosed Weevils (Tribe Cyphicerini) View Observations
                        • Subtribe Cyphicerina View Observations
                          • Genus Myosides View Observations
                            • Myosides seriehispidus View Observations
              • Elateriform Beetles (Infraorder Elateriformia) View Observations
                • Click, Firefly, and Soldier Beetles (Superfamily Elateroidea) View Observations
                  • Fireflies (Family Lampyridae) View Observations
                    • Typical Fireflies (Subfamily Lampyrinae) View Observations
                      • Tribe Photinini View Observations
                        • Diurnal Fireflies (Genus Ellychnia) View Observations
                          • Winter Firefly (Ellychnia corrusca) View Observations
                  • Click Beetles (Family Elateridae) View Observations
                    • Subfamily Dendrometrinae View Observations
                      • Tribe Prosternini View Observations
                        • Genus Selatosomus View Observations
                          • Subgenus Pristilophus View Observations
                            • Noble Click Beetle (Selatosomus pulcher) View Observations
                        • Genus Sylvanelater View Observations
                          • Sylvanelater cylindriformis View Observations
                • Superfamily Buprestoidea View Observations
                  • Jewel Beetles (Family Buprestidae) View Observations
                    • Subfamily Agrilinae View Observations
                      • Tribe Agrilini View Observations
                        • Agrilus (Genus Agrilus) View Observations
                          • Rose Stem Girdler (Agrilus cuprescens) View Observations
                          • Emerald Ash Borer (Agrilus planipennis) View Observations
              • Staphyliniform Beetles (Infraorder Staphyliniformia) View Observations
                • Water Scavenger and Clown Beetles (Superfamily Hydrophiloidea) View Observations
                  • Water Scavenger Beetles (Family Hydrophilidae) View Observations
                    • Subfamily Hydrophilinae View Observations
                      • Tribe Hydrobiusini View Observations
                        • Genus Hydrobius View Observations
                          • Hydrobius fuscipes View Observations
                • Rove, Ant-like Stone, and Carrion Beetles (Superfamily Staphylinoidea) View Observations
                  • Burying and Carrion Beetles (Family Silphidae) View Observations
                    • Subfamily Silphinae View Observations
                      • Genus Necrophila View Observations
                        • American Carrion Beetle (Necrophila americana) View Observations
              • Scarabaeiform Beetles (Infraorder Scarabaeiformia) View Observations
                • Scarabs, Stag Beetles and Allies (Superfamily Scarabaeoidea) View Observations
                  • Scarabs (Family Scarabaeidae) View Observations
                    • June Beetles (Subfamily Melolonthinae) View Observations
                      • Tribe Rhizotrogini View Observations
                        • Summer Chafers (Genus Amphimallon) View Observations
                          • European Chafer (Amphimallon majale) View Observations
          • Grasshoppers, Crickets, and Katydids (Order Orthoptera) View Observations
            • Grasshoppers, Locusts, and Allies (Suborder Caelifera) View Observations
              • Grasshoppers (Infraorder Acrididea) View Observations
                • Short-horned Grasshoppers and Locusts (Superfamily Acridoidea) View Observations
                  • Short-horned Grasshoppers (Family Acrididae) View Observations
                    • Bandwing Grasshoppers (Subfamily Oedipodinae) View Observations
                      • Tribe Chortophagini View Observations
                        • Genus Chortophaga View Observations
                          • Green-striped Grasshopper (Chortophaga viridifasciata) View Observations
          • True Bugs, Hoppers, Aphids, and Allies (Order Hemiptera) View Observations
            • True Hoppers (Suborder Auchenorrhyncha) View Observations
              • Spittlebugs, Cicadas, Leafhoppers and Treehoppers (Infraorder Cicadomorpha) View Observations
                • Leafhoppers and Treehoppers (Superfamily Membracoidea) View Observations
                  • Typical Treehoppers (Family Membracidae) View Observations
                    • Subfamily Smiliinae View Observations
                      • Tribe Polyglyptini View Observations
                        • Genus Publilia View Observations
                          • Aster Treehopper (Publilia concava) View Observations
                • Spittlebugs and Froghoppers (Superfamily Cercopoidea) View Observations
                  • True Spittlebugs (Family Aphrophoridae) View Observations
                    • Subfamily Aphrophorinae View Observations
                      • Tribe Philaenini View Observations
                        • Genus Philaenus View Observations
                          • Meadow Spittlebug (Philaenus spumarius) View Observations
            • Plant-parasitic Hemipterans (Suborder Sternorrhyncha) View Observations
              • Psylloids (Superfamily Psylloidea) View Observations
                • Family Aphalaridae View Observations
                  • Subfamily Pachypsyllinae View Observations
                    • Hackberry Gall Psyllids (Genus Pachypsylla) View Observations
                      • Hackberry Nipplegall Psyllid (Pachypsylla celtidismamma) View Observations
              • Aphids and Allies (Infraorder Aphidomorpha) View Observations
                • Superfamily Aphidoidea View Observations
                  • Aphids (Family Aphididae) View Observations
                    • Woolly Aphids and Gall-making Aphids (Subfamily Eriosomatinae) View Observations
                      • Tribe Pemphigini View Observations
                        • Poplar Leaf-stem Gall Aphids (Genus Pemphigus) View Observations
                          • Poplar Leaf-base Gall (Pemphigus populicaulis) View Observations
                        • Genus Mordwilkoja View Observations
                          • Poplar Vagabond Aphid (Mordwilkoja vagabunda) View Observations
                        • Genus Pachypappa View Observations
                          • Pachypappa sacculi View Observations
                      • Tribe Eriosomatini View Observations
                        • Genus Tetraneura View Observations
                          • Subgenus Tetraneurella View Observations
                            • Tetraneura akinire View Observations
                        • Genus Eriosoma View Observations
                          • Woolly Elm Aphid (Eriosoma americanum) View Observations
                    • Subfamily Aphidinae View Observations
                      • Tribe Macrosiphini View Observations
                        • Genus Hyadaphis View Observations
                          • Honeysuckle Aphid (Hyadaphis tataricae) View Observations
                • Superfamily Phylloxeroidea View Observations
                  • Spruce Aphids (Family Adelgidae) View Observations
                    • Genus Adelges View Observations
                      • Pineapple-gall Adelgid (Adelges abietis) View Observations
                      • Douglas Fir Adelgid (Adelges cooleyi) View Observations
            • True Bugs (Suborder Heteroptera) View Observations
              • Cimicomorph Bugs (Infraorder Cimicomorpha) View Observations
                • Superfamily Reduvioidea View Observations
                  • Assassin Bugs (Family Reduviidae) View Observations
                    • Subfamily Harpactorinae View Observations
                      • Tribe Harpactorini View Observations
                        • Genus Zelus View Observations
                          • Complex Luridus View Observations
                            • Pale Green Assassin Bug (Zelus luridus) View Observations
                • Superfamily Naboidea View Observations
                  • Damsel Bugs (Family Nabidae) View Observations
                    • Subfamily Nabinae View Observations
                      • Tribe Nabini View Observations
                        • Genus Nabis View Observations
                          • Subgenus Nabis View Observations
                            • Nabis roseipennis View Observations
                • Superfamily Miroidea View Observations
                  • Plant Bugs (Family Miridae) View Observations
                    • Subfamily Mirinae View Observations
                      • Tribe Mirini View Observations
                        • Lygus Bugs (Genus Lygus) View Observations
                          • Punaise Terne (Lygus lineolaris) View Observations
              • Pentatomomorph Bugs (Infraorder Pentatomomorpha) View Observations
                • Seed Bugs and Allies (Superfamily Lygaeoidea) View Observations
                  • Seed Bugs (Family Lygaeidae) View Observations
                    • Subfamily Ischnorhynchinae View Observations
                      • Genus Kleidocerys View Observations
                        • Birch Catkin Bug (Kleidocerys resedae) View Observations
                • Stink Bugs, Shield Bugs, and Allies (Superfamily Pentatomoidea) View Observations
                  • Stink Bugs (Family Pentatomidae) View Observations
                    • Subfamily Pentatominae View Observations
                      • Tribe Carpocorini View Observations
                        • Brown Stink Bugs (Genus Euschistus) View Observations
                          • Brown Stink Bug (Euschistus servus) View Observations
                  • Burrowing Bugs (Family Cydnidae) View Observations
                    • Subfamily Sehirinae View Observations
                      • Genus Sehirus View Observations
                        • White-margined Burrower Bug (Sehirus cinctus) View Observations
          • Dragonflies and Damselflies (Order Odonata) View Observations
            • Dragonflies (Suborder Anisoptera) View Observations
              • Superfamily Libelluloidea View Observations
                • Skimmers (Family Libellulidae) View Observations
                  • Whitefaces (Genus Leucorrhinia) View Observations
                    • Hudsonian Whiteface (Leucorrhinia hudsonica) View Observations
          • Flies (Order Diptera) View Observations
            • Nematoceran Flies (Suborder Nematocera) View Observations
              • Crane Flies (Infraorder Tipulomorpha) View Observations
                • Typical Crane Flies (Superfamily Tipuloidea) View Observations
                  • Limoniid Crane Flies (Family Limoniidae) View Observations
                    • Subfamily Limnophilinae View Observations
                      • Tribe Hexatomini View Observations
                        • Genus Epiphragma View Observations
                          • Band-winged Crane Fly (Epiphragma fasciapenne) View Observations
                  • Large Crane Flies (Family Tipulidae) View Observations
                    • Subfamily Tipulinae View Observations
                      • Common Crane Flies (Genus Tipula) View Observations
                        • Subgenus Tipula View Observations
                          • Marsh Crane Fly (Tipula oleracea) View Observations
                  • Hairy-eyed Crane Flies (Family Pediciidae) View Observations
                    • Subfamily Pediciinae View Observations
                      • Genus Pedicia View Observations
                        • Subgenus Pedicia View Observations
                          • Giant Eastern Crane Fly (Pedicia albivitta) View Observations
              • Gnats and Allies (Infraorder Bibionomorpha) View Observations
                • Fungus Gnats and Gall Midges (Superfamily Sciaroidea) View Observations
                  • Gall and Forest Midges (Family Cecidomyiidae) View Observations
                    • Gall Midges (Subfamily Cecidomyiinae) View Observations
                      • Supertribe Cecidomyiidi View Observations
                        • Tribe Asphondyliini View Observations
                          • Subtribe Asphondyliina View Observations
                            • Genus Asphondylia View Observations
                              • Asphondylia solidaginis View Observations
                          • Subtribe Schizomyiina View Observations
                            • Genus Polystepha View Observations
                              • Oak Leaf Gall Midge (Polystepha pilulae) View Observations
                        • Genus Blaesodiplosis View Observations
                          • Blaesodiplosis crataegifolia View Observations
                        • Tribe Cecidomyiini View Observations
                          • Genus Contarinia View Observations
                            • Linden Wart Gall Midge (Contarinia verrucicola) View Observations
                      • Supertribe Lasiopteridi View Observations
                        • Genus Acericecis View Observations
                          • Ocellate Gall Midge (Acericecis ocellaris) View Observations
                        • Tribe Dasineurini View Observations
                          • Willow Gall Midges (Genus Rabdophaga) View Observations
                            • Willow Pinecone Gall Midge (Rabdophaga strobiloides) View Observations
                            • Potato Gall Midge (Rabdophaga salicisbatatus) View Observations
                            • Willow Rose Gall Midge (Rabdophaga rosaria) View Observations
                            • Rabdophaga rosacea View Observations
                            • Rabdophaga globosa View Observations
                            • Willow Beaked-gall Midge (Rabdophaga rigidae) View Observations
                            • Willow Rosette Gall Midge (Rabdophaga salicisbrassicoides) View Observations
                        • Genus Cystiphora View Observations
                          • Cystiphora sonchi View Observations
                        • Tribe Alycaulini View Observations
                          • Genus Asteromyia View Observations
                            • Carbonifera Goldenrod Gall Midge (Asteromyia carbonifera) View Observations
                        • Tribe Oligotrophini View Observations
                          • Genus Rhopalomyia View Observations
                            • Goldenrod Bunch Gall Midge (Rhopalomyia solidaginis) View Observations
                            • Giant Goldenrod Bunch Gall Midge (Rhopalomyia capitata) View Observations
                • March Flies (Family Bibionidae) View Observations
                  • Subfamily Bibioninae View Observations
                    • Tribe Bibionini View Observations
                      • Genus Bibio View Observations
                        • Complex Bibio xanthopus View Observations
                          • Bibio xanthopus View Observations
            • Brachyceran Flies (Suborder Brachycera) View Observations
              • Cyclorrhaphan Flies (Infraorder Cyclorrhapha) View Observations
                • Aschizan Flies (Zoosection Aschiza) View Observations
                  • Hover Flies (Family Syrphidae) View Observations
                    • Drone Flies and Allies (Subfamily Eristalinae) View Observations
                      • Rat-tail Maggot Flies (Tribe Eristalini) View Observations
                        • Subtribe Helophilina View Observations
                          • Marsh Flies (Genus Helophilus) View Observations
                            • Narrow-headed Marsh Fly (Helophilus fasciatus) View Observations
                        • Subtribe Eristalina View Observations
                          • Drone Flies (Genus Eristalis) View Observations
                            • Subgenus Eoseristalis View Observations
                              • Black-shouldered Drone Fly (Eristalis dimidiata) View Observations
                • Schizophoran Flies (Zoosection Schizophora) View Observations
                  • Calyptrate Flies (Zoosubsection Calyptratae) View Observations
                    • Bot Flies, Blow Flies, and Allies (Superfamily Oestroidea) View Observations
                      • Blow Flies (Family Calliphoridae) View Observations
                        • Subfamily Calliphorinae View Observations
                          • Genus Cynomya View Observations
                            • Shiny Blue Bottle Fly (Cynomya cadaverina) View Observations
                        • Subfamily Chrysomyinae View Observations
                          • Genus Phormia View Observations
                            • Black Blow Fly (Phormia regina) View Observations
                    • Muscoid Flies (Superfamily Muscoidea) View Observations
                      • Dung Flies (Family Scathophagidae) View Observations
                        • Subfamily Scathophaginae View Observations
                          • Genus Scathophaga View Observations
                            • Golden Dung Fly (Scathophaga stercoraria) View Observations
                      • House Flies and Allies (Family Muscidae) View Observations
                        • Subfamily Azeliinae View Observations
                          • Tribe Reinwardtiini View Observations
                            • Genus Muscina View Observations
                              • False Stable Fly (Muscina stabulans) View Observations
                  • Acalyptrate Flies (Zoosubsection Acalyptratae) View Observations
                    • Superfamily Opomyzoidea View Observations
                      • Leaf-miner Flies (Family Agromyzidae) View Observations
                        • Subfamily Phytomyzinae View Observations
                          • Liriomyza Leaf-mining Flies (Genus Liriomyza) View Observations
                            • Liriomyza smilacinae View Observations
                          • Genus Aulagromyza View Observations
                            • Aulagromyza orbitalis View Observations
                          • Genus Phytomyza View Observations
                            • Subsection Phytomyza agromyzina group View Observations
                              • Phytomyza mitellae View Observations
                              • Phytomyza agromyzina View Observations
                        • Subfamily Agromyzinae View Observations
                          • Genus Euhexomyza View Observations
                            • Poplar Twiggall Fly (Euhexomyza schineri) View Observations
                    • Fruit, Signal, and Picture-winged Flies (Superfamily Tephritoidea) View Observations
                      • Picture-winged Flies (Family Ulidiidae) View Observations
                        • Subfamily Otitinae View Observations
                          • Tribe Otitini View Observations
                            • Genus Ceroxys View Observations
                              • Narrow-Banded Picture-Winged Fly (Ceroxys latiusculus) View Observations
                      • Fruit Flies (Family Tephritidae) View Observations
                        • Subfamily Tephritinae View Observations
                          • Tribe Myopitini View Observations
                            • Genus Urophora View Observations
                              • Thistle Stem Gall Fly (Urophora cardui) View Observations
                          • Tribe Dithrycini View Observations
                            • Genus Eurosta View Observations
                              • Goldenrod Gall Fly (Eurosta solidaginis) View Observations
              • Orthorrhaphan Flies (Infraorder Orthorrhapha) View Observations
                • Dance Flies, Long-legged Flies, and Allies (Superfamily Empidoidea) View Observations
                  • Long-legged Flies (Family Dolichopodidae) View Observations
                    • Subfamily Sciapodinae View Observations
                      • Tribe Sciapodini View Observations
                        • Genus Condylostylus View Observations
                          • Complex Condylostylus caudatus View Observations
                            • Condylostylus caudatus View Observations
                • Snipe Flies and Allies (Parvorder Tabanomorpha) View Observations
                  • Snipe Flies (Family Rhagionidae) View Observations
                    • Subfamily Rhagioninae View Observations
                      • Genus Rhagio View Observations
                        • Common Snipe Fly (Rhagio mystaceus) View Observations
    • Crustaceans (Subphylum Crustacea) View Observations
      • Typical Crustaceans (Superclass Multicrustacea) View Observations
        • Barnacles and Copepods (Class Hexanauplia) View Observations
          • Barnacles and Allies (Subclass Thecostraca) View Observations
            • Barnacles (Infraclass Cirripedia) View Observations
              • Normal Barnacles (Subterclass Thoracica) View Observations
                • Thoracican Barnacles (Superorder Thoracicalcarea) View Observations
                  • Symmetrical Sessile Barnacles (Order Balanomorpha) View Observations
                    • Superfamily Balanoidea View Observations
                      • Family Balanidae View Observations
                        • Genus Semibalanus View Observations
                          • Northern Acorn Barnacle (Semibalanus balanoides) View Observations
                        • Rock-Barnacles (Genus Balanus) View Observations
                          • Wrinkled Barnacle (Balanus crenatus) View Observations
        • Malacostracans (Class Malacostraca) View Observations
          • Decapods, Isopods, and Allies (Subclass Eumalacostraca) View Observations
            • Decapods and Krill (Superorder Eucarida) View Observations
              • Decapods (Order Decapoda) View Observations
                • Crabs, Lobsters, Shrimps, and Allies (Suborder Pleocyemata) View Observations
                  • True Crabs (Infraorder Brachyura) View Observations
                    • Eubrachyuran Crabs (Zoosection Eubrachyura) View Observations
                      • Heterotrematan Crabs (Zoosubsection Heterotremata) View Observations
                        • Rock and Horse Crabs (Superfamily Cancroidea) View Observations
                          • Rock Crabs (Family Cancridae) View Observations
                            • Edible Crabs (Genus Cancer) View Observations
                              • Atlantic Rock Crab (Cancer irroratus) View Observations
                              • Jonah Crab (Cancer borealis) View Observations
                        • Swimming Crabs and Allies (Superfamily Portunoidea) View Observations
                          • Family Carcinidae View Observations
                            • Subfamily Carcininae View Observations
                              • Green Crabs (Genus Carcinus) View Observations
                                • European Green Crab (Carcinus maenas) View Observations
            • Amphipods, Isopods, and Allies (Superorder Peracarida) View Observations
              • Isopods (Order Isopoda) View Observations
                • Woodlice, Pillbugs, and Rock Slaters (Suborder Oniscidea) View Observations
                  • Rock Slaters (Infraorder Diplocheta) View Observations
                    • Rock Lice, Sea Slaters, and Allies (Family Ligiidae) View Observations
                      • Sea Slaters (Genus Ligia) View Observations
                        • Common Sea Slater (Ligia oceanica) View Observations
                  • Woodlice and Pillbugs (Infraorder Holoverticata) View Observations
                    • Zoosection Crinocheta View Observations
                      • Porcellionid Woodlice (Family Porcellionidae) View Observations
                        • Genus Porcellio View Observations
                          • Common Rough Woodlouse (Porcellio scaber) View Observations
                          • Brickwork Woodlouse (Porcellio spinicornis) View Observations
                      • Sow Bugs (Family Oniscidae) View Observations
                        • Genus Oniscus View Observations
                          • Common Shiny Woodlouse (Oniscus asellus) View Observations
  • Segmented Worms (Phylum Annelida) View Observations
    • Clitellates (Class Clitellata) View Observations
      • Earthworms and Allies (Subclass Oligochaeta) View Observations
        • Order Crassiclitellata View Observations
          • Suborder Lumbricina View Observations
            • Earthworms (Family Lumbricidae) View Observations
              • Genus Lumbricus View Observations
                • Common Earthworm (Lumbricus terrestris) View Observations
  • Echinoderms (Phylum Echinodermata) View Observations
    • Sea Urchins and Sea Cucumbers (Subphylum Echinozoa) View Observations
      • Sea Urchins, Sand Dollars, and Heart Urchins (Class Echinoidea) View Observations
        • Sea Urchins (Subclass Euechinoidea) View Observations
          • Infraclass Carinacea View Observations
            • Subterclass Echinacea View Observations
              • Order Camarodonta View Observations
                • Infraorder Echinidea View Observations
                  • Superfamily Odontophora View Observations
                    • Family Strongylocentrotidae View Observations
                      • Genus Strongylocentrotus View Observations
                        • Green Sea Urchin (Strongylocentrotus droebachiensis) View Observations
• Plants (Kingdom Plantae) View Observations
  • Vascular Plants (Phylum Tracheophyta) View Observations
    • Ferns (Class Polypodiopsida) View Observations
      • Horsetails (Subclass Equisetidae) View Observations
        • Horsetails (Order Equisetales) View Observations
          • Horsetail Family (Family Equisetaceae) View Observations
            • Horsetails (Genus Equisetum) View Observations
              • Subgenus Hippochaete View Observations
                • Dwarf Horsetail (Equisetum scirpoides) View Observations
                • Rough Horsetail (Equisetum hyemale) View Observations
              • Subgenus Equisetum View Observations
                • Field Horsetail (Equisetum arvense) View Observations
      • Leptosporangiate Ferns (Subclass Polypodiidae) View Observations
        • Order Osmundales View Observations
          • Royal Fern Family (Family Osmundaceae) View Observations
            • Royal Ferns (Genus Osmunda) View Observations
              • Interrupted Fern (Osmunda claytoniana) View Observations
        • Order Polypodiales View Observations
          • Suborder Dennstaedtiineae View Observations
            • Bracken Family (Family Dennstaedtiaceae) View Observations
              • Brackens (Genus Pteridium) View Observations
                • Common Bracken (Pteridium aquilinum) View Observations
                  • Eagle Fern (Pteridium aquilinum var. latiusculum) View Observations
              • Genus Dennstaedtia View Observations
                • Hay-scented Fern (Dennstaedtia punctilobula) View Observations
          • Eupolypods Ii (Suborder Aspleniinae) View Observations
            • Family Cystopteridaceae View Observations
              • Fragile Ferns (Genus Cystopteris) View Observations
                • Mackay's Fragile Fern (Cystopteris tenuis) View Observations
              • Oak Fern (Genus Gymnocarpium) View Observations
                • Northern Oak Fern (Gymnocarpium dryopteris) View Observations
            • Ladyferns and Allies (Family Athyriaceae) View Observations
              • Lady Ferns (Genus Athyrium) View Observations
                • Athyrium Sect. Athyrium (Section Athyrium) View Observations
                  • Northern Lady Fern (Athyrium angustum) View Observations
            • Marsh Fern Family (Family Thelypteridaceae) View Observations
              • Subfamily Phegopteridoideae View Observations
                • Beech Ferns (Genus Phegopteris) View Observations
                  • Long Beech Fern (Phegopteris connectilis) View Observations
            • Sensitive Ferns and Allies (Family Onocleaceae) View Observations
              • Ostrich Ferns (Genus Matteuccia) View Observations
                • Ostrich Fern (Matteuccia struthiopteris) View Observations
                  • Matteuccia struthiopteris ssp. pensylvanica View Observations
              • Sensitive Ferns (Genus Onoclea) View Observations
                • Sensitive Fern (Onoclea sensibilis) View Observations
          • Eupolypods I (Suborder Polypodiineae) View Observations
            • Shieldfern Family (Family Dryopteridaceae) View Observations
              • Subfamily Dryopteridoideae View Observations
                • Shield Ferns (Genus Polystichum) View Observations
                  • Christmas Fern (Polystichum acrostichoides) View Observations
                • Wood Ferns (Genus Dryopteris) View Observations
                  • Fragrant Wood Fern (Dryopteris fragrans) View Observations
                  • Spinulose Wood Fern (Dryopteris carthusiana) View Observations
            • Polypody Family (Family Polypodiaceae) View Observations
              • Subfamily Polypodioideae View Observations
                • Polypody Ferns (Genus Polypodium) View Observations
                  • Rock Polypody (Polypodium virginianum) View Observations
    • Conifers (Class Pinopsida) View Observations
      • Conifers (Order Pinales) View Observations
        • Cypress Family (Family Cupressaceae) View Observations
          • Cypresses, Cedars, Junipers, and Allies (Subfamily Cupressoideae) View Observations
            • Junipers (Genus Juniperus) View Observations
              • Scale-leaf Junipers (Section Sabina) View Observations
                • Creeping Juniper (Juniperus horizontalis) View Observations
              • Needle-leaf Junipers (Section Juniperus) View Observations
                • Common Juniper (Juniperus communis) View Observations
            • Whitecedars (Genus Thuja) View Observations
              • Eastern White Cedar (Thuja occidentalis) View Observations
        • Pine Family (Family Pinaceae) View Observations
          • Firs, Hemlocks, Cedars, and Allies (Subfamily Abietoideae) View Observations
            • Hemlocks (Genus Tsuga) View Observations
              • Eastern Hemlock (Tsuga canadensis) View Observations
            • Firs (Genus Abies) View Observations
              • Section Balsamea View Observations
                • Subsection Laterales View Observations
                  • Balsam Fir (Abies balsamea) View Observations
          • Pines, Spruces, Larches, and Allies (Subfamily Pinoideae) View Observations
            • Pines (Genus Pinus) View Observations
              • Soft Pines (Subgenus Strobus) View Observations
                • White Pines (Section Quinquefoliae) View Observations
                  • Eastern White Pine (Pinus strobus) View Observations
              • Hard Pines (Subgenus Pinus) View Observations
                • American Hard Pines (Section Trifoliae) View Observations
                  • Jack Pine (Pinus banksiana) View Observations
                • Eurasian, Red, and Tropical Pines (Section Pinus) View Observations
                  • Red Pine (Pinus resinosa) View Observations
                  • Scots Pine (Pinus sylvestris) View Observations
            • Larches (Genus Larix) View Observations
              • Tamarack (Larix laricina) View Observations
            • Spruces (Genus Picea) View Observations
              • White Spruce (Picea glauca) View Observations
              • Blue Spruce (Picea pungens) View Observations
              • Red Spruce (Picea rubens) View Observations
              • Norway Spruce (Picea abies) View Observations
              • Black Spruce (Picea mariana) View Observations
    • Flowering Plants (Subphylum Angiospermae) View Observations
      • Dicots (Class Magnoliopsida) View Observations
        • Legumes, Milkworts, and Allies (Order Fabales) View Observations
          • Legumes (Family Fabaceae) View Observations
            • Subfamily Faboideae View Observations
              • Tribe Trifolieae View Observations
                • Clovers (Genus Trifolium) View Observations
                  • Red Clover (Trifolium pratense) View Observations
                  • White Clover (Trifolium repens) View Observations
                  • Subgenus Chronosemium View Observations
                    • Lesser Hop Trefoil (Trifolium dubium) View Observations
                • Medicks (Genus Medicago) View Observations
                  • Section Medicago View Observations
                    • Subsection Medicago View Observations
                      • Alfalfa Complex (Complex Medicago sativa) View Observations
                        • Alfalfa (Medicago sativa) View Observations
                  • Shamrock Medicks (Section Spirocarpos) View Observations
                    • Subsection Lupularia View Observations
                      • Black Medick (Medicago lupulina) View Observations
                • Melilots and Sweetclovers (Genus Melilotus) View Observations
                  • White Sweet-Clover (Melilotus albus) View Observations
              • Tribe Loteae View Observations
                • Bird's-foot Trefoils and Deervetches (Genus Lotus) View Observations
                  • Complex Lotus corniculatus View Observations
                    • Bird's-foot Trefoil (Lotus corniculatus) View Observations
              • Brooms, Lupines, and Allies (Tribe Genisteae) View Observations
                • Lupines (Genus Lupinus) View Observations
                  • Large-leaved Lupine (Lupinus polyphyllus) View Observations
              • Peas, Vetches, and Allies (Tribe Fabeae) View Observations
                • Sweet Peas and Vetchlings (Genus Lathyrus) View Observations
                  • Pale Vetchling (Lathyrus ochroleucus) View Observations
                  • Veiny Pea (Lathyrus venosus) View Observations
                  • Seaside Pea (Lathyrus japonicus) View Observations
                • Vetches (Genus Vicia) View Observations
                  • Bush Vetch (Vicia sepium) View Observations
                  • Tufted Vetch (Vicia cracca) View Observations
              • Milkvetches, Locoweeds, and Allies (Tribe Galegeae) View Observations
                • Milkvetches (Genus Astragalus) View Observations
                  • Canadian Milkvetch (Astragalus canadensis) View Observations
                • Genus Glycyrrhiza View Observations
                  • Wild Licorice (Glycyrrhiza lepidota) View Observations
              • Tribe Amorpheae View Observations
                • False Indigos (Genus Amorpha) View Observations
                  • False Indigo Bush (Amorpha fruticosa) View Observations
                • Prairie Clovers (Genus Dalea) View Observations
                  • Purple Prairie Clover (Dalea purpurea) View Observations
              • Tribe Hedysareae View Observations
                • Peashrubs (Genus Caragana) View Observations
                  • Siberian Peashrub (Caragana arborescens) View Observations
              • Tribe Robinieae View Observations
                • Locust Trees (Genus Robinia) View Observations
                  • Black Locust (Robinia pseudoacacia) View Observations
          • Milkworts (Family Polygalaceae) View Observations
            • Tribe Polygaleae View Observations
              • Genus Polygaloides View Observations
                • Fringed Polygala (Polygaloides paucifolia) View Observations
        • Roses, Elms, Figs, and Allies (Order Rosales) View Observations
          • Rose Family (Family Rosaceae) View Observations
            • Brambles, Roses, Strawberries, and Allies (Subfamily Rosoideae) View Observations
              • Strawberries, Cinquefoils, and Allies (Tribe Potentilleae) View Observations
                • Strawberry Subtribe (Subtribe Fragariinae) View Observations
                  • Strawberries (Genus Fragaria) View Observations
                    • Virginia Strawberry (Fragaria virginiana) View Observations
                  • Shrubby Cinquefoils (Genus Dasiphora) View Observations
                    • Shrubby Cinquefoil (Dasiphora fruticosa) View Observations
                  • Genus Drymocallis View Observations
                    • Tall Cinquefoil (Drymocallis arguta) View Observations
                  • Three-toothed Cinquefoils (Genus Sibbaldiopsis) View Observations
                    • Three-toothed Cinquefoil (Sibbaldiopsis tridentata) View Observations
                • Cinquefoil Subtribe (Subtribe Potentillinae) View Observations
                  • Silverweeds (Genus Argentina) View Observations
                    • Common Silverweed (Argentina anserina) View Observations
                  • Cinquefoils (Genus Potentilla) View Observations
                    • Silvery Cinquefoil (Potentilla argentea) View Observations
                    • Rough Cinquefoil (Potentilla norvegica) View Observations
                    • Common Cinquefoil (Potentilla simplex) View Observations
              • Avens Tribe (Tribe Colurieae) View Observations
                • Avens (Genus Geum) View Observations
                  • Prairie Smoke (Geum triflorum) View Observations
                  • Yellow Avens (Geum aleppicum) View Observations
              • Bramble Tribe (Tribe Rubeae) View Observations
                • Brambles (Genus Rubus) View Observations
                  • Dwarf Raspberry (Rubus pubescens) View Observations
                  • Subgenus Idaeobatus View Observations
                    • Section Idaei View Observations
                      • Red Raspberry (Rubus idaeus) View Observations
                        • American Red Raspberry (Rubus idaeus ssp. strigosus) View Observations
                  • Subgenus Rubus View Observations
                    • European Blackberry Complex (Section Rubus) View Observations
                      • Subsection Rubus View Observations
                        • Series Alleghenienses (Complex Alleghenienses) View Observations
                          • Allegheny Blackberry (Rubus allegheniensis) View Observations
              • Rose Tribe (Tribe Roseae) View Observations
                • Roses (Genus Rosa) View Observations
                  • Virginian Rose (Rosa virginiana) View Observations
                  • Prickly Wild Rose (Rosa acicularis) View Observations
                  • Multiflora Rose (Rosa multiflora) View Observations
                  • Woods' Rose (Rosa woodsii) View Observations
                  • Smooth Rose (Rosa blanda) View Observations
                  • Prairie Rose (Rosa arkansana) View Observations
                  • Rugosa Rose (Rosa rugosa) View Observations
            • Subfamily Amygdaloideae View Observations
              • Tribe Maleae View Observations
                • Chokeberries (Genus Aronia) View Observations
                  • Black Chokeberry (Aronia melanocarpa) View Observations
                • Rowans and Mountain Ashes (Genus Sorbus) View Observations
                  • Sorbus sibirica View Observations
                  • American Mountain Ash (Sorbus americana) View Observations
                  • European Mountain Ash (Sorbus aucuparia) View Observations
                • Serviceberries (Genus Amelanchier) View Observations
                  • Canadian Serviceberry (Amelanchier canadensis) View Observations
                  • Nantucket Shadbush (Amelanchier nantucketensis) View Observations
                  • Common Serviceberry (Amelanchier arborea) View Observations
                  • Saskatoon (Amelanchier alnifolia) View Observations
                • Hawthorns (Genus Crataegus) View Observations
                  • Large-thorn Hawthorn (Crataegus macracantha) View Observations
                  • Fireberry Hawthorn (Crataegus chrysocarpa) View Observations
                    • Crataegus chrysocarpa var. chrysocarpa View Observations
                • Cotoneasters (Genus Cotoneaster) View Observations
                  • Shiny Cotoneaster (Cotoneaster lucidus) View Observations
                • Apples (Genus Malus) View Observations
                  • Apple (Malus domestica) View Observations
              • Tribe Amygdaleae View Observations
                • Plums, Cherries, and Allies (Genus Prunus) View Observations
                  • Subgenus Padus View Observations
                    • Black Cherry (Prunus serotina) View Observations
                    • Choke Cherry (Prunus virginiana) View Observations
                  • True Cherries (Subgenus Cerasus) View Observations
                    • Pin Cherry (Prunus pensylvanica) View Observations
                  • Subgenus Prunus View Observations
                    • Section Prunocerasus View Observations
                      • American Plum (Prunus americana) View Observations
                    • Section Microcerasus View Observations
                      • Sand Cherry (Prunus pumila) View Observations
              • Tribe Sorbarieae View Observations
                • Genus Sorbaria View Observations
                  • Sorbaria (Sorbaria sorbifolia) View Observations
              • Tribe Spiraeeae View Observations
                • Meadowsweet (Genus Spiraea) View Observations
                  • White Meadowsweet (Spiraea alba) View Observations
          • Buckthorn Family (Family Rhamnaceae) View Observations
            • Tribe Rhamneae View Observations
              • Buckthorns (Genus Rhamnus) View Observations
                • Common Buckthorn (Rhamnus cathartica) View Observations
          • Nettle Family (Family Urticaceae) View Observations
            • Nettles (Genus Urtica) View Observations
              • Slender Stinging Nettle (Urtica gracilis) View Observations
                • American Stinging Nettle (Urtica gracilis ssp. gracilis) View Observations
          • Elm Family (Family Ulmaceae) View Observations
            • Elms (Genus Ulmus) View Observations
              • American Elm (Ulmus americana) View Observations
              • Siberian Elm (Ulmus pumila) View Observations
          • Hackberry Family (Family Cannabaceae) View Observations
            • Hops (Genus Humulus) View Observations
              • Common Hops (Humulus lupulus) View Observations
            • Hackberries (Genus Celtis) View Observations
              • Common Hackberry (Celtis occidentalis) View Observations
          • Oleaster Family (Family Elaeagnaceae) View Observations
            • Genus Hippophae View Observations
              • Sea-Buckthorn (Hippophae rhamnoides) View Observations
            • Oleasters (Genus Elaeagnus) View Observations
              • Wolf Willow (Elaeagnus commutata) View Observations
              • Russian Olive (Elaeagnus angustifolia) View Observations
            • Genus Shepherdia View Observations
              • Silver Buffaloberry (Shepherdia argentea) View Observations
              • Canadian Buffalo-Berry (Shepherdia canadensis) View Observations
        • Heathers, Balsams, Primroses, and Allies (Order Ericales) View Observations
          • Heath Family (Family Ericaceae) View Observations
            • Monotropes (Subfamily Monotropoideae) View Observations
              • Wintergreens (Genus Pyrola) View Observations
                • American Wintergreen (Pyrola americana) View Observations
                • Bog Wintergreen (Pyrola asarifolia) View Observations
              • Wintergreens (Genus Chimaphila) View Observations
                • Pipsissewa (Chimaphila umbellata) View Observations
            • Madrones, Bearberries, and Allies (Subfamily Arbutoideae) View Observations
              • Bearberries and Manzanitas (Genus Arctostaphylos) View Observations
                • Bearberry (Arctostaphylos uva-ursi) View Observations
            • Typical Heathers, Azaleas, and Allies (Subfamily Ericoideae) View Observations
              • Tribe Rhodoreae View Observations
                • Rhododendrons and Azaleas (Genus Rhododendron) View Observations
                  • Subgenus Rhododendron View Observations
                    • Section Rhododendron (Section Rhododendron) View Observations
                      • Labrador Tea (Subsection Ledum) View Observations
                        • Bog Labrador Tea (Rhododendron groenlandicum) View Observations
                  • Subgenus Hymenanthes View Observations
                    • Section Rhodora View Observations
                      • Rhodora (Rhododendron canadense) View Observations
              • Tribe Empetreae View Observations
                • Crowberries (Genus Empetrum) View Observations
                  • Black Crowberry (Empetrum nigrum) View Observations
              • Tribe Phyllodoceae View Observations
                • Trailing Arbutuses (Genus Epigaea) View Observations
                  • Trailing Arbutus (Epigaea repens) View Observations
            • Blueberries, Cranberries, Huckleberries, and Allies (Subfamily Vaccinioideae) View Observations
              • Tribe Gaultherieae View Observations
                • Wintergreens (Genus Gaultheria) View Observations
                  • Wintergreen (Gaultheria procumbens) View Observations
              • Tribe Vaccinieae View Observations
                • Huckleberries (Genus Gaylussacia) View Observations
                  • Black Huckleberry (Gaylussacia baccata) View Observations
                • Blueberries, Cranberries, and Allies (Genus Vaccinium) View Observations
                  • Velvetleaf Blueberry (Vaccinium myrtilloides) View Observations
                  • Lingonberry (Vaccinium vitis-idaea) View Observations
                  • Lowbush Blueberry (Vaccinium angustifolium) View Observations
          • Primroses (Family Primulaceae) View Observations
            • Cape Myrtle Subfamily (Subfamily Myrsinoideae) View Observations
              • Loosestrifes (Genus Lysimachia) View Observations
                • Starflowers (Section Trientalis) View Observations
                  • Northern Starflower (Lysimachia borealis) View Observations
                • Creeping Jenny (Lysimachia nummularia) View Observations
                • Fringed Loosestrife (Lysimachia ciliata) View Observations
            • Subfamily Primuloideae View Observations
              • Tribe Primuleae View Observations
                • Primroses (Genus Primula) View Observations
                  • Subgenus Aleuritia View Observations
                    • Section Aleuritia (Section Aleuritia) View Observations
                      • Bird's-eye Primrose (Primula laurentiana) View Observations
        • Dogwoods, Hydrangeas, and Allies (Order Cornales) View Observations
          • Dogwood Family (Family Cornaceae) View Observations
            • Dogwoods (Genus Cornus) View Observations
              • Dwarf Dogwoods (Subgenus Arctocrania) View Observations
                • Bunchberry (Cornus canadensis) View Observations
              • Subgenus Kraniopsis View Observations
                • Red Osier Dogwood (Cornus sericea) View Observations
                • Round-leaved Dogwood (Cornus rugosa) View Observations
        • Gentians, Dogbanes, Madders, and Allies (Order Gentianales) View Observations
          • Dogbane Family (Family Apocynaceae) View Observations
            • Milkweeds (Subfamily Asclepiadoideae) View Observations
              • Tribe Asclepiadeae View Observations
                • Subtribe Asclepiadinae View Observations
                  • Milkweeds (Genus Asclepias) View Observations
                    • Swamp Milkweed (Asclepias incarnata) View Observations
                    • Common Milkweed (Asclepias syriaca) View Observations
                    • Showy Milkweed (Asclepias speciosa) View Observations
            • Subfamily Apocynoideae View Observations
              • Tribe Apocyneae View Observations
                • Subtribe Apocyinae View Observations
                  • Dogbanes (Genus Apocynum) View Observations
                    • Spreading Dogbane (Apocynum androsaemifolium) View Observations
                    • Hemp Dogbane (Apocynum cannabinum) View Observations
          • Madder Family (Family Rubiaceae) View Observations
            • Subfamily Rubioideae View Observations
              • Tribe Mitchelleae View Observations
                • Genus Mitchella View Observations
                  • Partridgeberry (Mitchella repens) View Observations
              • Tribe Rubieae View Observations
                • Bedstraws (Genus Galium) View Observations
                  • Complex Galium mollugo View Observations
                    • Hedge Bedstraw (Galium mollugo) View Observations
                  • Northern Bedstraw (Galium boreale) View Observations
              • Tribe Spermacoceae View Observations
                • Flowering Bluets (Genus Houstonia) View Observations
                  • Azure Bluet (Houstonia caerulea) View Observations
          • Gentian Family (Family Gentianaceae) View Observations
            • Gentian Tribe (Tribe Gentianeae) View Observations
              • Gentian Subtribe (Subtribe Gentianinae) View Observations
                • Gentians (Genus Gentiana) View Observations
                  • Section Pneumonanthe View Observations
                    • Closed Bottle Gentian (Gentiana andrewsii) View Observations
              • Dwarf, Fringed, and Green Gentians (Subtribe Swertiinae) View Observations
                • Spurred Gentians (Genus Halenia) View Observations
                  • Spurred Gentian (Halenia deflexa) View Observations
        • Pinks, Cactuses, and Allies (Order Caryophyllales) View Observations
          • Purslane Family (Family Portulacaceae) View Observations
            • Purslanes (Genus Portulaca) View Observations
              • Common Purslane (Portulaca oleracea) View Observations
          • Knotweed Family (Family Polygonaceae) View Observations
            • Subfamily Polygonoideae View Observations
              • Tribe Polygoneae View Observations
                • Subtribe Polygoninae View Observations
                  • Knotweeds (Genus Polygonum) View Observations
                    • Section Polygonum View Observations
                      • Common Knotgrass Complex (Complex Polygonum aviculare) View Observations
                        • Prostrate Knotweed (Polygonum aviculare) View Observations
                • Subtribe Reynoutriinae View Observations
                  • Genus Reynoutria View Observations
                    • Japanese Knotweed (Reynoutria japonica) View Observations
                  • Genus Fallopia View Observations
                    • Climbing False Buckwheat (Fallopia scandens) View Observations
              • Tribe Rumiceae View Observations
                • Docks (Genus Rumex) View Observations
                  • Sheep's Sorrel (Rumex acetosella) View Observations
                  • Curly Dock (Rumex crispus) View Observations
                  • Narrowleaf Dock (Rumex stenophyllus) View Observations
          • Pink Family (Family Caryophyllaceae) View Observations
            • Tribe Alsineae View Observations
              • Chickweeds (Genus Stellaria) View Observations
                • Common Chickweed Complex (Complex Stellaria media) View Observations
                  • Common Chickweed (Stellaria media) View Observations
                • Water Chickweed (Stellaria aquatica) View Observations
              • Mouse-ear Chickweeds (Genus Cerastium) View Observations
                • Field Chickweed (Cerastium arvense) View Observations
                • Mouse-ear Chickweed (Cerastium fontanum) View Observations
            • Subfamily Caryophylloideae View Observations
              • Tribe Sileneae View Observations
                • Catchflies (Genus Silene) View Observations
                  • Subgenus Silene View Observations
                    • Section Sclerophyllae View Observations
                      • Sleepy Catchfly (Silene antirrhina) View Observations
                  • Subgenus Behenantha View Observations
                    • Section Elisanthe View Observations
                      • Night-flowering Catchfly (Silene noctiflora) View Observations
                    • Section Melandrium View Observations
                      • White Campion (Silene latifolia) View Observations
                    • Section Behenantha View Observations
                      • Balkan Catchfly (Silene csereii) View Observations
                      • Bladder Campion (Silene vulgaris) View Observations
            • Tribe Sagineae View Observations
              • Pearlworts (Genus Sagina) View Observations
                • Procumbent Pearlwort (Sagina procumbens) View Observations
            • Tribe Sclerantheae View Observations
              • Genus Scleranthus View Observations
                • Annual Knawel (Scleranthus annuus) View Observations
          • Amaranths (Family Amaranthaceae) View Observations
            • Saltbush Subfamily (Subfamily Chenopodioideae) View Observations
              • Tribe Chenopodieae View Observations
                • Goosefoots (Genus Chenopodium) View Observations
                  • Common Lambsquarters (Chenopodium album) View Observations
            • Subfamily Amaranthoideae View Observations
              • Amaranths (Genus Amaranthus) View Observations
                • Complex Amaranthus hybridus View Observations
                  • Redroot Amaranth (Amaranthus retroflexus) View Observations
            • Subfamily Camphorosmoideae View Observations
              • Tribe Camphorosmeae View Observations
                • Genus Bassia View Observations
                  • Summer-Cypress (Bassia scoparia) View Observations
        • Staff-vines and Allies (Order Celastrales) View Observations
          • Staff-vine Family (Family Celastraceae) View Observations
            • Bittersweets (Genus Celastrus) View Observations
              • American Bittersweet (Celastrus scandens) View Observations
              • Oriental Bittersweet (Celastrus orbiculatus) View Observations
        • Sunflowers, Bellflowers, Fanflowers, and Allies (Order Asterales) View Observations
          • Sunflowers, Daisies, Asters, and Allies (Family Asteraceae) View Observations
            • Thistles and Allies (Subfamily Carduoideae) View Observations
              • Tribe Cardueae View Observations
                • Thistles and Burdocks (Subtribe Carduinae) View Observations
                  • Plume Thistles (Genus Cirsium) View Observations
                    • Flodman's Thistle (Cirsium flodmanii) View Observations
                    • Bull Thistle (Cirsium vulgare) View Observations
                    • Canada Thistle (Cirsium arvense) View Observations
                  • Burdocks (Genus Arctium) View Observations
                    • Woolly Burdock (Arctium tomentosum) View Observations
                    • Lesser Burdock (Arctium minus) View Observations
                    • Greater Burdock (Arctium lappa) View Observations
            • Chicories, Dandelions, and Allies (Subfamily Cichorioideae) View Observations
              • Lettuce, Chicory, Dandelion and Salsify Tribe (Tribe Cichorieae) View Observations
                • Subtribe Hypochaeridinae View Observations
                  • Cat's-Ears (Genus Hypochaeris) View Observations
                    • Common Cat's-Ear (Hypochaeris radicata) View Observations
                • Dandelions, Hawksbeards, and Rattlesnake Roots (Subtribe Crepidinae) View Observations
                  • Rattlesnake Roots (Genus Nabalus) View Observations
                    • Tall Rattlesnake Root (Nabalus altissimus) View Observations
                    • Three-leaved Rattlesnake Root (Nabalus trifoliolatus) View Observations
                  • Dandelions (Genus Taraxacum) View Observations
                    • Common Dandelions (Section Taraxacum) View Observations
                      • Common Dandelion (Taraxacum officinale) View Observations
                • Hawkweeds (Subtribe Hieraciinae) View Observations
                  • Mouse Ear Hawkweeds (Genus Pilosella) View Observations
                    • Smooth Hawkweed (Pilosella piloselloides) View Observations
                    • Meadow Hawkweed (Pilosella caespitosa) View Observations
                  • Hawkweeds (Genus Hieracium) View Observations
                    • Spotted Hawkweed (Hieracium maculatum) View Observations
                    • Canada Hawkweed (Hieracium umbellatum) View Observations
                • Subtribe Hyoseridinae View Observations
                  • Sow Thistles (Genus Sonchus) View Observations
                    • Perennial Sow Thistle (Sonchus arvensis) View Observations
                • Subtribe Scorzonerinae View Observations
                  • Salsifies (Genus Tragopogon) View Observations
                    • Yellow Salsify (Tragopogon dubius) View Observations
                    • Meadow Salsify (Tragopogon pratensis) View Observations
            • Subfamily Asteroideae View Observations
              • Paper Daisies (Tribe Gnaphalieae) View Observations
                • Cudweeds, Everlastings, and Pussytoes (Subtribe Gnaphaliinae) View Observations
                  • Pussytoes (Genus Antennaria) View Observations
                    • Field Pussytoes (Antennaria neglecta) View Observations
                    • Small Pussytoes (Antennaria howellii) View Observations
              • Chamomiles, Yarrows, and Allies (Tribe Anthemideae) View Observations
                • Subtribe Leucantheminae View Observations
                  • Genus Leucanthemum View Observations
                    • Complex Leucanthemum vulgare View Observations
                      • Oxeye Daisy (Leucanthemum vulgare) View Observations
                • Subtribe Anthemidinae View Observations
                  • Tansies (Genus Tanacetum) View Observations
                    • Tansy (Tanacetum vulgare) View Observations
                • Subtribe Artemisiinae View Observations
                  • Wormwoods and Sagebrushes (Genus Artemisia) View Observations
                    • Field Sagewort (Artemisia campestris) View Observations
                    • Fringed Sagebrush (Artemisia frigida) View Observations
                    • Hoary Mugwort (Artemisia stelleriana) View Observations
                    • Common Mugwort (Artemisia vulgaris) View Observations
                    • Biennial Wormwood (Artemisia biennis) View Observations
                    • Absinthe Wormwood (Artemisia absinthium) View Observations
                    • Silver Wormwood (Artemisia ludoviciana) View Observations
                • Subtribe Matricariinae View Observations
                  • Yarrows (Genus Achillea) View Observations
                    • Common Yarrow Complex (Complex Achillea millefolium) View Observations
                      • Common Yarrow (Achillea millefolium) View Observations
                        • Northern Yarrow (Achillea millefolium var. borealis) View Observations
                  • German Chamomiles and Pineapple-Weeds (Genus Matricaria) View Observations
                    • Pineapple-Weed (Matricaria discoidea) View Observations
              • Asters and Allies (Tribe Astereae) View Observations
                • Subtribe Gutierreziinae View Observations
                  • Grass-leaved Goldenrods (Genus Euthamia) View Observations
                    • Flat-topped Goldenrod (Euthamia graminifolia) View Observations
                • Subtribe Solidagininae View Observations
                  • Goldenrods (Genus Solidago) View Observations
                    • Solidago Subg. Nemorales (Subgenus Nemorales) View Observations
                      • Grey Goldenrod (Solidago nemoralis) View Observations
                    • Solidago Subg. Pleiactila (Subgenus Pleiactila) View Observations
                      • Solidago Sect. Unilaterales (Section Unilaterales) View Observations
                        • Solidago Subsect. Triplinerviae (Subsection Triplinerviae) View Observations
                          • Canada Goldenrod (Solidago canadensis) View Observations
                      • Solidago Sect. Ptarmicoidei (Section Ptarmicoidei) View Observations
                        • Stiff-leaved Goldenrod (Solidago rigida) View Observations
                      • Solidago Sect. Maritimae (Section Maritimae) View Observations
                        • Bog Goldenrod (Solidago uliginosa) View Observations
                        • Northern Seaside Goldenrod (Solidago sempervirens) View Observations
                • Subtribe Symphyotrichinae View Observations
                  • American Asters (Genus Symphyotrichum) View Observations
                    • Common American Asters (Subgenus Symphyotrichum) View Observations
                      • Bushy, Eastern, Heart-leaved, and Old Field Asters (Section Symphyotrichum) View Observations
                        • Heart-leaf Panicled Asters (Subsection Heterophylli) View Observations
                          • Drummond's Aster (Symphyotrichum drummondii) View Observations
                          • Common Blue Wood Aster (Symphyotrichum cordifolium) View Observations
                    • Virguloid Asters (Subgenus Virgulus) View Observations
                      • White Heath and Prairie Asters (Section Ericoidei) View Observations
                        • White Heath Aster (Symphyotrichum ericoides) View Observations
                • Subtribe Conyzinae View Observations
                  • Fleabanes and Horseweeds (Genus Erigeron) View Observations
                    • Horseweed (Erigeron canadensis) View Observations
                    • Section Quercifolium View Observations
                      • Philadelphia Fleabane (Erigeron philadelphicus) View Observations
                • Subtribe Machaerantherinae View Observations
                  • Wood Asters (Genus Eurybia) View Observations
                    • Large-leaved Aster (Eurybia macrophylla) View Observations
                  • Gumplants (Genus Grindelia) View Observations
                    • Curlycup Gumweed (Grindelia squarrosa) View Observations
              • Groundsels and Allies (Tribe Senecioneae) View Observations
                • Subtribe Tussilagininae View Observations
                  • Butterburs (Genus Petasites) View Observations
                    • Arctic Butterbur (Petasites frigidus) View Observations
                  • Genus Tussilago View Observations
                    • Colt's-Foot (Tussilago farfara) View Observations
              • Coreopsis and Allies (Tribe Coreopsideae) View Observations
                • Beggarticks (Genus Bidens) View Observations
                  • Devil's Beggarticks (Bidens frondosa) View Observations
                  • Nodding Beggarticks (Bidens cernua) View Observations
                  • Tall Beggarticks (Bidens vulgata) View Observations
              • Sunflowers and Allies (Tribe Heliantheae) View Observations
                • Cockleburs, Ragweeds, and Wild Quinines (Subtribe Ambrosiinae) View Observations
                  • Cockleburs (Genus Xanthium) View Observations
                    • Rough Cocklebur (Xanthium strumarium) View Observations
                • Black-eyed Susans, Coneflowers, and Prairie Coneflowers (Subtribe Rudbeckiinae) View Observations
                  • Black-eyed Susans and Coneflowers (Genus Rudbeckia) View Observations
                    • Rudbeckia Sect. Macrocline (Section Macrocline) View Observations
                      • Cutleaf Coneflower (Rudbeckia laciniata) View Observations
                    • Section Rudbeckia View Observations
                      • Black-eyed Susan (Rudbeckia hirta) View Observations
                  • Coneflowers (Genus Ratibida) View Observations
                    • Upright Prairie Coneflower (Ratibida columnifera) View Observations
                • Subtribe Helianthinae View Observations
                  • Sunflowers (Genus Helianthus) View Observations
                    • Maximilian Sunflower (Helianthus maximiliani) View Observations
                    • Stiff Sunflower (Helianthus pauciflorus) View Observations
                    • Nuttall's Sunflower (Helianthus nuttallii) View Observations
                • Subtribe Zinniinae View Observations
                  • Oxeyes (Genus Heliopsis) View Observations
                    • False Sunflower (Heliopsis helianthoides) View Observations
          • Bellflower Family (Family Campanulaceae) View Observations
            • Bellflower Subfamily (Subfamily Campanuloideae) View Observations
              • Bellflowers (Genus Campanula) View Observations
                • Creeping Bellflower (Campanula rapunculoides) View Observations
                • Harebell Complex (Complex Campanula rotundifolia) View Observations
                  • Common Harebell (Campanula rotundifolia) View Observations
        • Geraniums, Bridal Wreaths, and Allies (Order Geraniales) View Observations
          • Geranium Family (Family Geraniaceae) View Observations
            • Geraniums and Cranesbills (Genus Geranium) View Observations
              • Subgenus Robertium View Observations
                • Section Ruberta View Observations
                  • Herb Robert (Geranium robertianum) View Observations
        • Soapberries, Cashews, Mahoganies, and Allies (Order Sapindales) View Observations
          • Cashew Family (Family Anacardiaceae) View Observations
            • Cashews, Sumacs, and Allies (Subfamily Anacardioideae) View Observations
              • Poison Ivies and Oaks (Genus Toxicodendron) View Observations
                • Western Poison Ivy (Toxicodendron rydbergii) View Observations
                • Eastern Poison Ivy (Toxicodendron radicans) View Observations
              • Sumacs (Genus Rhus) View Observations
                • Staghorn Sumac (Rhus typhina) View Observations
                • Smooth Sumac (Rhus glabra) View Observations
          • Citrus Family (Family Rutaceae) View Observations
            • Subfamily Zanthoxyloideae View Observations
              • Prickly-Ashes (Genus Zanthoxylum) View Observations
                • Prickly Ash (Zanthoxylum americanum) View Observations
          • Soapberry Family (Family Sapindaceae) View Observations
            • Maples (Genus Acer) View Observations
              • Acer Sect. Ginnala (Section Ginnala) View Observations
                • Amur Maple (Acer ginnala) View Observations
              • Acer Sect. Macrantha (Section Macrantha) View Observations
                • Acer Ser. Crataegifolia (Complex Acer pensylvanicum) View Observations
                  • Striped Maple (Acer pensylvanicum) View Observations
              • Acer Sect. Negundo (Section Negundo) View Observations
                • Manitoba Maple (Acer negundo) View Observations
              • Acer Sect. Platanoidea (Section Platanoidea) View Observations
                • Norway Maple (Acer platanoides) View Observations
              • Acer Sect. Rubra (Section Rubra) View Observations
                • Red Maple (Acer rubrum) View Observations
                • Silver Maple (Acer saccharinum) View Observations
              • Acer Sect. Spicata (Section Spicata) View Observations
                • Mountain Maple (Acer spicatum) View Observations
            • Buckeyes and Horse-Chestnuts (Genus Aesculus) View Observations
              • Horse-Chestnut (Aesculus hippocastanum) View Observations
        • Myrtles, Evening Primroses, and Allies (Order Myrtales) View Observations
          • Evening Primrose Family (Family Onagraceae) View Observations
            • Evening Primroses, Sundrops, and Beeblossoms (Genus Oenothera) View Observations
              • Oenothera Sect. Oenothera (Section Oenothera) View Observations
                • Common Evening-Primrose (Oenothera biennis) View Observations
            • Fireweeds (Genus Chamaenerion) View Observations
              • Fireweed (Chamaenerion angustifolium) View Observations
          • Lythrum Family (Family Lythraceae) View Observations
            • Lythrum Loosestrifes (Genus Lythrum) View Observations
              • Purple Loosestrife (Lythrum salicaria) View Observations
        • Beeches, Oaks, Walnuts, and Allies (Order Fagales) View Observations
          • Beech Family (Family Fagaceae) View Observations
            • Oaks (Genus Quercus) View Observations
              • High-latitude Oaks (Subgenus Quercus) View Observations
                • White Oaks (Section Quercus) View Observations
                  • Swamp White Oak (Quercus bicolor) View Observations
                  • Bur Oak (Quercus macrocarpa) View Observations
                  • English Oak (Quercus robur) View Observations
                • Red Oaks (Section Lobatae) View Observations
                  • Northern Red Oak (Quercus rubra) View Observations
            • Beeches (Genus Fagus) View Observations
              • American Beech (Fagus grandifolia) View Observations
          • Wax Trees and Shrubs (Family Myricaceae) View Observations
            • Sweet-Ferns (Genus Comptonia) View Observations
              • Sweet-Fern (Comptonia peregrina) View Observations
            • Bayberries (Genus Morella) View Observations
              • Northern Bayberry (Morella pensylvanica) View Observations
          • Birch Family (Family Betulaceae) View Observations
            • Birches (Genus Betula) View Observations
              • River Birch (Betula nigra) View Observations
              • Yellow Birch (Betula alleghaniensis) View Observations
              • Paper Birch (Betula papyrifera) View Observations
              • Grey Birch (Betula populifolia) View Observations
              • Water Birch (Betula occidentalis) View Observations
            • Alders (Genus Alnus) View Observations
              • Grey Alder (Alnus incana) View Observations
              • Green Alder (Alnus alnobetula) View Observations
            • Hazels (Genus Corylus) View Observations
              • Beaked Hazelnut (Corylus cornuta) View Observations
              • American Hazelnut (Corylus americana) View Observations
        • Mints, Plantains, Olives, and Allies (Order Lamiales) View Observations
          • Figwort Family (Family Scrophulariaceae) View Observations
            • Tribe Scrophularieae View Observations
              • Mulleins (Genus Verbascum) View Observations
                • Common Mullein (Verbascum thapsus) View Observations
          • Broomrape Family (Family Orobanchaceae) View Observations
            • Tribe Rhinantheae View Observations
              • Rattles (Genus Rhinanthus) View Observations
                • Yellow Rattle (Rhinanthus minor) View Observations
            • Tribe Pedicularideae View Observations
              • Louseworts (Genus Pedicularis) View Observations
                • Swamp Lousewort (Pedicularis lanceolata) View Observations
          • Olive Family (Family Oleaceae) View Observations
            • Lilacs (Genus Syringa) View Observations
              • Common Lilac (Syringa vulgaris) View Observations
            • Ashes (Genus Fraxinus) View Observations
              • Fraxinus Sect. Melioides (Section Melioides) View Observations
                • White Ash (Fraxinus americana) View Observations
                • Green Ash (Fraxinus pennsylvanica) View Observations
              • Black Ash (Fraxinus nigra) View Observations
          • Mint Family (Family Lamiaceae) View Observations
            • Subfamily Nepetoideae View Observations
              • Tribe Mentheae View Observations
                • Balms, Mints, and Thymes (Subtribe Menthinae) View Observations
                  • Beebalms and Bergamots (Genus Monarda) View Observations
                    • Wild Bergamot (Monarda fistulosa) View Observations
                • Catmints, Ground Ivies, and Hyssops (Subtribe Nepetinae) View Observations
                  • Dragonheads (Genus Dracocephalum) View Observations
                    • American Dragonhead (Dracocephalum parviflorum) View Observations
                  • Catmints (Genus Nepeta) View Observations
                    • Catnip (Nepeta cataria) View Observations
                  • Hyssops (Genus Agastache) View Observations
                    • Anise Hyssop (Agastache foeniculum) View Observations
                  • Ground-Ivies (Genus Glechoma) View Observations
                    • Ground-Ivy (Glechoma hederacea) View Observations
                • Cleonias, Dragonmouths, and Selfheals (Subtribe Prunellinae) View Observations
                  • Selfheals (Genus Prunella) View Observations
                    • Common Selfheal (Prunella vulgaris) View Observations
            • Subfamily Scutellarioideae View Observations
              • Skullcaps (Genus Scutellaria) View Observations
                • Side-flowering Skullcap (Scutellaria lateriflora) View Observations
            • Subfamily Lamioideae View Observations
              • Tribe Leonureae View Observations
                • Motherworts (Genus Leonurus) View Observations
                  • Common Motherwort (Leonurus cardiaca) View Observations
              • Tribe Stachydeae View Observations
                • Hedgenettles (Genus Stachys) View Observations
                  • Marsh Woundwort (Stachys palustris) View Observations
          • Plantain Family (Family Plantaginaceae) View Observations
            • Tribe Veroniceae View Observations
              • Culver's Roots (Genus Veronicastrum) View Observations
                • Section Veronicastrum (Section Veronicastrum) View Observations
                  • Culver's Root (Veronicastrum virginicum) View Observations
              • Speedwells (Genus Veronica) View Observations
                • Subgenus Beccabunga View Observations
                  • Thyme-leaved Speedwell (Veronica serpyllifolia) View Observations
                • Subgenus Veronica View Observations
                  • Heath Speedwell (Veronica officinalis) View Observations
            • Tribe Plantagineae View Observations
              • Plantains (Genus Plantago) View Observations
                • Subgenus Coronopus View Observations
                  • Section Maritima (Section Maritima) View Observations
                    • Sea Plantain (Plantago maritima) View Observations
                • Subgenus Plantago View Observations
                  • Section Plantago View Observations
                    • Greater Plantain (Plantago major) View Observations
                  • Section Pacifica View Observations
                    • American Plantain (Plantago rugelii) View Observations
                • Section Albicans (Subgenus Albicans) View Observations
                  • Section Lanceifolia (Section Lanceifolia) View Observations
                    • English Plantain (Plantago lanceolata) View Observations
          • Lopseed Family (Family Phrymaceae) View Observations
            • Monkeyflowers (Genus Mimulus) View Observations
              • Allegheny Monkeyflower (Mimulus ringens) View Observations
        • Buttercups, Poppies, and Allies (Order Ranunculales) View Observations
          • Poppy Family (Family Papaveraceae) View Observations
            • Subfamily Papaveroideae View Observations
              • Tribe Papavereae View Observations
                • Poppies (Genus Papaver) View Observations
                  • Opium Poppy (Papaver somniferum) View Observations
          • Buttercup Family (Family Ranunculaceae) View Observations
            • Goldthreads and Yellowroots (Subfamily Coptidoideae) View Observations
              • Goldthreads (Genus Coptis) View Observations
                • Threeleaf Goldthread (Coptis trifolia) View Observations
            • Columbines and Meadow-Rues (Subfamily Thalictroideae) View Observations
              • Columbines (Genus Aquilegia) View Observations
                • Complex Aquilegia vulgaris View Observations
                  • Common Columbine (Aquilegia vulgaris) View Observations
                • Red Columbine (Aquilegia canadensis) View Observations
              • Meadow-Rues (Genus Thalictrum) View Observations
                • Tall Meadow-Rue (Thalictrum pubescens) View Observations
                • Veiny Meadow-Rue (Thalictrum venulosum) View Observations
            • Anemones, Buttercups, Larkspurs and Allies (Subfamily Ranunculoideae) View Observations
              • Tribe Ranunculeae View Observations
                • Buttercups (Genus Ranunculus) View Observations
                  • Kidneyleaf Buttercup (Ranunculus abortivus) View Observations
                  • Prairie Buttercup (Ranunculus rhomboideus) View Observations
                  • Creeping Buttercup (Ranunculus repens) View Observations
                  • Meadow Buttercup (Ranunculus acris) View Observations
              • Tribe Caltheae View Observations
                • Genus Caltha View Observations
                  • Section Caltha (Section Caltha) View Observations
                    • Marsh Marigold (Caltha palustris) View Observations
              • Anemones and Allies (Tribe Anemoneae)