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 801–850 of 1,999.
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Iris brevicaulis Raf. IRBR2zigzag iris · Iridaceae -
Iris fulva Ker Gawl. IRFUcopper iris · Iridaceae -
Iris giganticaerulea Small IRGIgiant blue iris · Iridaceae -
Iris hexagona Walter IRHE2Dixie iris · Iridaceae - Iris hexagona Walter var. flexicaulis (Small) R.C. Foster IRHEFDixie iris · Iridaceae
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Iris prismatica Pursh ex Ker Gawl. IRPRslender blue iris · Iridaceae -
Iris pseudacorus L. IRPSpaleyellow iris · Iridaceae -
Iris tridentata Pursh IRTRsavannah iris · Iridaceae -
Iris versicolor L. IRVE2harlequin blueflag · Iridaceae -
Iris virginica L. IRVIVirginia iris · Iridaceae - Isoetes acadiensis Kott ISACAcadian quillwort · Isoetaceae
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Isoetes appalachiana D.F. Brunton & D.M. Britton ISAPAppalachian quillwort · Isoetaceae -
Isoetes bolanderi Engelm. ISBOBolander's quillwort · Isoetaceae -
Isoetes butleri Engelm. ISBUlimestone quillwort · Isoetaceae -
Isoetes engelmannii A. Braun ISENAppalachian quillwort · Isoetaceae -
Isoetes flaccida Shuttlw. ex A. Braun ISFLsouthern quillwort · Isoetaceae -
Isoetes howellii Engelm. ISHOHowell's quillwort · Isoetaceae -
Isoetes hyemalis D.F. Brunton ISHYevergreen quillwort · Isoetaceae -
Isoetes lacustris L. ISLAlake quillwort · Isoetaceae -
Isoetes lithophila N.E. Pfeiffer ISLIrock quillwort · Isoetaceae -
Isoetes louisianensis Thieret ISLOLouisiana quillwort · Isoetaceae -
Isoetes maritima Underw. ISMA3maritime quillwort · Isoetaceae -
Isoetes melanopoda Gay & Durieu ex Durieu ISMEblackfoot quillwort · Isoetaceae -
Isoetes melanospora Engelm. ISME3blackspore quillwort · Isoetaceae - Isoetes minima A.A. Eaton ISMI4midget quillwort · Isoetaceae
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Isoetes nuttallii A. Braun ex Engelm. ISNUNuttall's quillwort · Isoetaceae -
Isoetes occidentalis L.F. Hend. ISOCwestern quillwort · Isoetaceae -
Isoetes orcuttii A.A. Eaton ISOROrcutt's quillwort · Isoetaceae -
Isoetes piedmontana (N.E. Pfeiffer) C.F. Reed ISPIPeidmont quillwort · Isoetaceae - Isoetes riparia Engelm. ex A. Braun ISRIshore quillwort · Isoetaceae
- Isoetes saccharata Engelm. ISSAsugar quillwort · Isoetaceae
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Isoetes tegetiformans Rury ISTEMerlin's grass · Isoetaceae -
Isoetes tenella Léman ISTE5spiny-spore quillwort · Isoetaceae -
Isoetes tennesseensis Luebke & Budke ISTE6Tennessee Quillwort · Isoetaceae -
Isoetes texana Singhurst, Rushing & W.C. Holmes ISTE7Texas quillwort · Isoetaceae -
Isoetes tuckermanii A. Braun ISTUTuckerman's quillwort · Isoetaceae -
Isoetes valida (Engelm.) Clute ISVA2strong quillwort · Isoetaceae - Isoetes virginica N.E. Pfeiffer ISVIVirginia quillwort · Isoetaceae
- Isoetes ×brittonii Brunton & W.C. Taylor [engelmannii × riparia] ISBR5quillwort · Isoetaceae
- Isoetes ×carltaylorii Musselman [acadiensis × engelmannii] ISCA8Taylor's quillwort · Isoetaceae
- Isoetes ×eatonii R. Dodge (pro sp.) [engelmannii × tenella] ISEAquillwort · Isoetaceae
- Isoetes ×foveolata A.A. Eaton ex R. Dodge (pro sp.) [engelmannii × tuckermannii] ISFOquillwort · Isoetaceae
- Isoetes ×herb-wagneri W.C. Taylor [bolanderi × echinospora] ISHE2quillwort · Isoetaceae
- Isoetes ×hickeyi W.C. Taylor & N. Luebke [lacustris × tenella] ISHI2quillwort · Isoetaceae
- Isoetes ×novae-angliae D.F. Brunt. & D.M. Britton [riparia × tuckermanii] ISNONew England quillwort · Isoetaceae
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Isolepis carinata Hook. & Arn. ex Torr. ISCA6keeled bulrush · Cyperaceae -
Isolepis cernua (Vahl) Roem. & Schult. ISCElow bulrush · Cyperaceae - Isolepis molesta (M.C. Johnst.) S.G. Sm. ISMO2Gulf Coast bulrush · Cyperaceae
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Isolepis prolifera (Rottb.) R.Br. ISPR2proliferating bulrush · Cyperaceae -
Isolepis setacea (L.) R. Br. ISSE2bristleleaf bulrush · Cyperaceae