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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- wetland_code=OBL
Showing 1,751–1,800 of 1,999.
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Scleria reticularis Michx. SCREnetted nutrush · Cyperaceae -
Scleria verticillata Muhl. ex Willd. SCVE2low nutrush · Cyperaceae -
Sclerolepis uniflora (Walter) Britton, Sterns & Poggenb. SCUN3pink bogbutton · Asteraceae -
Scolochloa festucacea (Willd.) Link SCFEcommon rivergrass · Poaceae -
Scutellaria floridana Chapm. SCFL4Florida skullcap · Lamiaceae -
Scutellaria galericulata L. SCGAmarsh skullcap · Lamiaceae -
Scutellaria lateriflora L. SCLA2blue skullcap · Lamiaceae -
Scutellaria racemosa Pers. SCRASouth American skullcap · Lamiaceae -
Selaginella uncinata (Desv. ex Poir.) Spring SEUN2blue spikemoss · Selaginellaceae -
Senecio hydrophilus Nutt. SEHY2water ragwort · Asteraceae -
Senecio triangularis Hook. SETRarrowleaf ragwort · Asteraceae -
Sesbania herbacea (Mill.) McVaugh SEHE8bigpod sesbania · Fabaceae -
Sesbania vesicaria (Jacq.) Elliott SEVEbagpod · Fabaceae -
Sesuvium maritimum (Walter) Britton, Sterns & Poggenb. SEMA3slender seapurslane · Aizoaceae - Sesuvium trianthemoides Correll SETR3Texas seapurslane · Aizoaceae
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Setaria sphacelata (Schumach.) Stapf & C.E. Hubb. ex M.B. Moss SESP5African bristlegrass · Poaceae -
Sidalcea calycosa M.E. Jones SICAannual checkerbloom · Malvaceae -
Sidalcea hirsuta A. Gray ex Benth. SIHI2hairy checkerbloom · Malvaceae -
Sidalcea pedata A. Gray SIPE4birdfoot checkerbloom · Malvaceae -
Sidalcea ranunculacea Greene SIRAmarsh checkerbloom · Malvaceae -
Sidalcea reptans Greene SIRESierra checkerbloom · Malvaceae -
Sidalcea stipularis J.T. Howell & True SIST3Scadden Flat checkerbloom · Malvaceae -
Sisyrinchium demissum Greene SIDE4stiff blue-eyed grass · Iridaceae -
Sisyrinchium elmeri Greene SIEL3Elmer's blue-eyed grass · Iridaceae -
Sisyrinchium idahoense E.P. Bicknell SIIDIdaho blue-eyed grass · Iridaceae -
Sisyrinchium sarmentosum Suksd. ex Greene SISA4mountain blue-eyed grass · Iridaceae -
Sium suave Walter SISU2hemlock waterparsnip · Apiaceae -
Smilax laurifolia L. SMLAlaurel greenbrier · Smilacaceae -
Smilax walteri Pursh SMWAcoral greenbrier · Smilacaceae -
Solidago gracillima Torr. & A. Gray SOGR4Virginia goldenrod · Asteraceae -
Solidago latissimifolia Mill. SOLA4Elliott's goldenrod · Asteraceae -
Solidago patula Muhl. ex Willd. SOPA2roundleaf goldenrod · Asteraceae -
Solidago spectabilis (D.C. Eaton) A. Gray var. confinis (A. Gray) Cronquist SOSPCNevada goldenrod · Asteraceae -
Solidago stricta Aiton SOSTwand goldenrod · Asteraceae -
Solidago uliginosa Nutt. SOULbog goldenrod · Asteraceae -
Solidago verna M.A. Curtis ex Torr. & A. Gray SOVE2springflowering goldenrod · Asteraceae -
Sparganium americanum Nutt. SPAMAmerican bur-reed · Sparganiaceae -
Sparganium androcladum (Engelm.) Morong SPANbranched bur-reed · Sparganiaceae -
Sparganium angustifolium Michx. SPAN2narrowleaf bur-reed · Sparganiaceae - Sparganium emersum Rehmann SPEM2European bur-reed · Sparganiaceae
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Sparganium eurycarpum Engelm. SPEUbroadfruit bur-reed · Sparganiaceae -
Sparganium fluctuans (Engelm. ex Morong) B.L. Rob. SPFLfloating bur-reed · Sparganiaceae -
Sparganium glomeratum (Beurling ex Laest.) L. Neum. SPGLclustered bur-reed · Sparganiaceae -
Sparganium hyperboreum Beurling ex Laest. SPHYnorthern bur-reed · Sparganiaceae -
Sparganium natans L. SPNAsmall bur-reed · Sparganiaceae -
Spartina alterniflora Loisel. SPALsmooth cordgrass · Poaceae -
Spartina cynosuroides (L.) Roth SPCYbig cordgrass · Poaceae -
Spartina densiflora Brongn. SPDE2denseflower cordgrass · Poaceae -
Spartina foliosa Trin. SPFOCalifornia cordgrass · Poaceae -
Spartina patens (Aiton) Muhl. SPPAsaltmeadow cordgrass · Poaceae