Explore / Wetland gradient / Obligate wetland (OBL)
Wetland gradient
Obligate wetland (OBL)
Species USDA classifies as OBL — found in wetlands more than 99% of the time. Cattails, marsh marigold, the duckweeds. The canonical "this site is a wetland" indicators.
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Showing 351–400 of 1,999.
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Ceratophyllum demersum L. CEDE4coon's tail · Ceratophyllaceae -
Ceratophyllum echinatum A. Gray CEEC2spineless hornwort · Ceratophyllaceae -
Ceratophyllum muricatum Cham. CEMU3prickly hornwort · Ceratophyllaceae -
Ceratopteris pteridoides (Hook.) Hieron. CEPTfloating antlerfern · Parkeriaceae -
Ceratopteris richardii Brongn. CERI2triangle waterfern · Parkeriaceae -
Ceratopteris thalictroides (L.) Brongn. CETH2watersprite · Parkeriaceae -
Chamaecyparis thyoides (L.) Britton, Sterns & Poggenb. CHTH2Atlantic white cedar · Cupressaceae -
Chamaedaphne calyculata (L.) Moench CHCA2leatherleaf · Ericaceae -
Chamaesyce hooveri (L.C. Wheeler) Koutnik CHHO3Hoover's sandmat · Euphorbiaceae -
Chelone cuthbertii Small CHCU5Cuthbert's turtlehead · Scrophulariaceae -
Chelone glabra L. CHGL2white turtlehead · Scrophulariaceae -
Chelone obliqua L. CHOB3red turtlehead · Scrophulariaceae -
Chenopodium rubrum L. CHRUred goosefoot · Chenopodiaceae -
Chrysanthemum arcticum L. ssp. arcticum CHARAarctic daisy · Asteraceae -
Chrysosplenium alternifolium L. var. sibiricum Ser. ex DC. CHALS3Iowa golden saxifrage · Saxifragaceae -
Chrysosplenium americanum Schwein. ex Hook. CHAM2American golden saxifrage · Saxifragaceae -
Chrysosplenium glechomifolium Nutt. CHGL5Pacific golden saxifrage · Saxifragaceae -
Chrysosplenium tetrandrum (Lund ex Malmgr.) Th. Fr. CHTE3northern golden saxifrage · Saxifragaceae -
Cicuta bulbifera L. CIBUbulblet-bearing water hemlock · Apiaceae -
Cicuta douglasii (DC.) J.M. Coult. & Rose CIDOwestern water hemlock · Apiaceae -
Cicuta maculata L. CIMA2spotted water hemlock · Apiaceae - Cicuta virosa L. CIVI5Mackenzie's water hemlock · Apiaceae
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Cinna latifolia (Trevis. ex Goepp.) Griseb. CILA2drooping woodreed · Poaceae -
Cirsium crassicaule (Greene) Jeps. CICRslough thistle · Asteraceae -
Cirsium douglasii DC. CIDO2Douglas' thistle · Asteraceae -
Cirsium fontinale (Greene) Jeps. CIFO2fountain thistle · Asteraceae -
Cirsium hydrophilum (Greene) Jeps. CIHYSuisun thistle · Asteraceae -
Cirsium muticum Michx. CIMUswamp thistle · Asteraceae -
Cirsium vinaceum Wooton & Standl. CIVI4Sacramento Mountain thistle · Asteraceae -
Cirsium wrightii A. Gray CIWRWright's thistle · Asteraceae -
Cladium californicum (S. Watson) O'Neill CLCA2California sawgrass · Cyperaceae -
Cladium mariscoides (Muhl.) Torr. CLMAsmooth sawgrass · Cyperaceae -
Cladium mariscus (L.) Pohl CLMA10swamp sawgrass · Cyperaceae -
Clematis crispa L. CLCRswamp leather flower · Ranunculaceae -
Cliftonia monophylla (Lam.) Britton ex Sarg. CLMO2buckwheat tree · Cyrillaceae -
Clinopodium brownei (Sw.) Kuntze CLBR7Browne's savory · Lamiaceae -
Coelorachis rugosa (Nutt.) Nash CORU3wrinkled jointtail grass · Poaceae -
Coelorachis tuberculosa (Nash) Nash COTUbumpy jointtail grass · Poaceae -
Coix lacryma-jobi L. COLAJob's tears · Poaceae -
Coleanthus subtilis (Tratt.) Seidel COSUmossgrass · Poaceae -
Colocasia esculenta (L.) Schott COEScoco yam · Araceae -
Comarum palustre L. COPA28purple marshlocks · Rosaceae -
Cordylanthus maritimus Nutt. ex Benth. COMA5saltmarsh bird's-beak · Scrophulariaceae -
Cordylanthus mollis A. Gray COMOsoft bird's-beak · Scrophulariaceae -
Cordylanthus palmatus (Ferris) J.F. Macbr. COPA8palmbract bird's-beak · Scrophulariaceae -
Coreopsis floridana E.B. Sm. COFL6Florida tickseed · Asteraceae -
Coreopsis nudata Nutt. CONU5Georgia tickseed · Asteraceae -
Cotula coronopifolia L. COCO7common brassbuttons · Asteraceae -
Crassula aquatica (L.) Schoenl. CRAQwater pygmyweed · Crassulaceae -
Crassula connata (Ruiz & Pav.) A. Berger CRCO34sand pygmyweed · Crassulaceae