Explore / Wetland gradient / Facultative wetland (FACW)
Wetland gradient
Facultative wetland (FACW)
Species USDA classifies as FACW — wetlands 67%–99% of the time, occasionally in uplands. Many sedges and willows.
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Showing 1,351–1,400 of 2,339.
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Nemophila aphylla (L.) Brummitt NEAPsmallflower baby blue eyes · Hydrophyllaceae -
Neptunia plena (L.) Benth. NEPLwater dead and awake · Fabaceae -
Nesaea longipes A. Gray NELO2stalkflower · Lythraceae -
Nitrophila mohavensis Munz & Roos NIMOAmargosa niterwort · Chenopodiaceae -
Nitrophila occidentalis (Moq.) S. Watson NIOC2boraxweed · Chenopodiaceae -
Nyssa biflora Walter NYBIswamp tupelo · Cornaceae -
Oclemena nemoralis (Aiton) Greene OCNE2bog aster · Asteraceae - Oclemena ×blakei (Porter) G.L. Nesom [acuminata × nemoralis] OCBLaster · Asteraceae
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Oenothera coloradensis (Rydb.) W.L. Wagner & Hoch OECOColorado beeblossom · Onagraceae -
Oenothera elata Kunth OEELHooker's evening primrose · Onagraceae -
Oenothera flava (A. Nelson) Garrett OEFLyellow evening primrose · Onagraceae -
Oenothera jamesii Torr. & A. Gray OEJAtrumpet evening primrose · Onagraceae -
Oenothera rosea L'Hér. ex Aiton OEROrose evening primrose · Onagraceae -
Oenothera texensis P.H. Raven & Parnell OETE3Texas evening primrose · Onagraceae -
Oldenlandia boscii (DC.) Chapm. OLBOBosc's mille graines · Rubiaceae -
Oldenlandia uniflora L. OLUNclustered mille graines · Rubiaceae -
Oldenlandiopsis callitrichoides (Griseb.) Terrell & W.H. Lewis OLCA4creeping-bluet · Rubiaceae -
Onoclea sensibilis L. ONSEsensitive fern · Dryopteridaceae -
Ophioglossum engelmannii Prantl OPENlimestone adderstongue · Ophioglossaceae -
Ophioglossum petiolatum Hook. OPPE2longstem adderstongue · Ophioglossaceae -
Ophioglossum pusillum Raf. OPPU3northern adderstongue · Ophioglossaceae -
Ophioglossum vulgatum L. OPVUsouthern adderstongue · Ophioglossaceae -
Oplopanax horridus (Sm.) Miq. OPHOdevilsclub · Araliaceae -
Oreobolus furcatus H. Mann ORFU2Hawai'i Island sedge · Cyperaceae -
Oreostemma elatum (Greene) Greene OREL4Plumas alpine aster · Asteraceae -
Orobanche riparia L.T. Collins ORRIRiver Broom-Rape · Orobanchaceae -
Orogenia fusiformis S. Watson ORFUCalifornia Indian potato · Apiaceae -
Orthocarpus bracteosus Benth. ORBRrosy owl's-clover · Scrophulariaceae -
Oryza rufipogon Griffiths ORRUbrownbeard rice · Poaceae -
Osmunda cinnamomea L. OSCIcinnamon fern · Osmundaceae - Osmunda ×ruggii R. Tryon [claytoniana × regalis] OSRUosmunda · Osmundaceae
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Oxypolis fendleri (A. Gray) A. Heller OXFEFendler's cowbane · Apiaceae -
Oxypolis filiformis (Walter) Britton OXFIwater cowbane · Apiaceae -
Oxypolis ternata (Nutt.) A. Heller OXTEpiedmont cowbane · Apiaceae -
Oxyria digyna (L.) Hill OXDI3alpine mountainsorrel · Polygonaceae -
Packera aurea (L.) Á. Löve & D. Löve PAAU3golden ragwort · Asteraceae -
Packera clevelandii (Greene) W.A. Weber & Á. Löve PACL10Cleveland's ragwort · Asteraceae -
Packera debilis (Nutt.) W.A. Weber & Á. Löve PADE22weak groundsel · Asteraceae -
Packera glabella (Poir.) C. Jeffrey PAGL17butterweed · Asteraceae -
Packera hartiana (A. Heller) W.A. Weber & Á. Löve PAHA16Hart's ragwort · Asteraceae -
Packera indecora (Greene) Á. Löve & D. Löve PAIN11elegant groundsel · Asteraceae -
Packera paupercula (Michx.) Á. Löve & D. Löve PAPA20balsam groundsel · Asteraceae -
Packera pseudaurea (Rydb.) W.A. Weber & Á. Löve PAPS5falsegold groundsel · Asteraceae -
Packera schweinitziana (Nutt.) W.A. Weber & Á. Löve PASC19Schweinitz's ragwort · Asteraceae -
Packera subnuda (DC.) D.K. Trock & T.M. Barkley PASU40Buek's groundsel · Asteraceae -
Packera tampicana (DC.) C. Jeffrey PATA5Great Plains ragwort · Asteraceae -
Pandanus tectorius Parkinson ex Zucc. PATE2Tahitian screwpine · Pandanaceae -
Panicum abscissum Swallen PAABcutthroat grass · Poaceae -
Panicum anceps Michx. PAANbeaked panicgrass · Poaceae -
Panicum bergii Arechav. PABE4Berg's panicgrass · Poaceae