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 1,951–1,999 of 1,999.
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Websteria confervoides (Poir.) S. Hooper WECOalgal bulrush · Cyperaceae -
Wolffia arrhiza (L.) Horkel ex Wimm. WOAR2spotless watermeal · Lemnaceae -
Wolffia borealis (Engelm. ex Hegelm.) Landolt ex Landolt & Wildi WOBOnorthern watermeal · Lemnaceae -
Wolffia brasiliensis Weddell WOBRBrazilian watermeal · Lemnaceae -
Wolffia columbiana Karst. WOCOColumbian watermeal · Lemnaceae -
Wolffia globosa (Roxb.) Hartog & Plas WOGL3Asian watermeal · Lemnaceae -
Wolffiella gladiata (Hegelm.) Hegelm. WOGL2Florida mudmidget · Lemnaceae -
Wolffiella lingulata (Hegelm.) Hegelm. WOLItongueshape bogmat · Lemnaceae -
Wolffiella oblonga (Phil.) Hegelm. WOOBsaber bogmat · Lemnaceae -
Wolffiella welwitschii (Hegelm.) Monod WOWEpond bogmat · Lemnaceae -
Woodwardia areolata (L.) T. Moore WOARnetted chainfern · Blechnaceae -
Woodwardia radicans (L.) J. Sm. WORArooting chainfern · Blechnaceae -
Woodwardia virginica (L.) Sm. WOVIVirginia chainfern · Blechnaceae -
Xyris ambigua Bey. ex Kunth XYAMcoastal plain yelloweyed grass · Xyridaceae -
Xyris baldwiniana Schult. XYBABaldwin's yelloweyed grass · Xyridaceae -
Xyris brevifolia Michx. XYBRshortleaf yelloweyed grass · Xyridaceae -
Xyris chapmanii Bridges & Orzell XYCHChapman's yelloweyed grass · Xyridaceae -
Xyris difformis Chapm. XYDIbog yelloweyed grass · Xyridaceae -
Xyris drummondii Malme XYDRDrummond's yelloweyed grass · Xyridaceae -
Xyris elliottii Chapm. XYEL2Elliott's yelloweyed grass · Xyridaceae -
Xyris fimbriata Elliott XYFIfringed yelloweyed grass · Xyridaceae -
Xyris flabelliformis Chapm. XYFL2savannah yelloweyed grass · Xyridaceae -
Xyris floridana (Kral) E.L. Bridges & Orzell XYFLFlorida Yellow-Eyed-Grass · Xyridaceae -
Xyris isoetifolia Kral XYISquillwort yelloweyed grass · Xyridaceae -
Xyris jupicai Rich. XYJURichard's yelloweyed grass · Xyridaceae -
Xyris laxifolia Mart. XYLAlaxleaf yelloweyed grass · Xyridaceae -
Xyris longisepala Kral XYLOKral's yelloweyed grass · Xyridaceae -
Xyris louisianica Bridges & Orzell XYLO2Louisiana yelloweyed grass · Xyridaceae -
Xyris montana Ries XYMOnorthern yelloweyed grass · Xyridaceae -
Xyris platylepis Chapm. XYPLtall yelloweyed grass · Xyridaceae -
Xyris scabrifolia Harper XYSCHarper's yelloweyed grass · Xyridaceae -
Xyris serotina Chapm. XYSEacidswamp yelloweyed grass · Xyridaceae -
Xyris smalliana Nash XYSMSmall's yelloweyed grass · Xyridaceae -
Xyris stricta Chapm. XYSTpineland yelloweyed grass · Xyridaceae -
Xyris tennesseensis Kral XYTETennessee yelloweyed grass · Xyridaceae -
Xyris torta Sm. XYTOslender yelloweyed grass · Xyridaceae -
Zannichellia palustris L. ZAPAhorned pondweed · Zannichelliaceae -
Zantedeschia aethiopica (L.) Spreng. ZAAEcalla lily · Araceae -
Zenobia pulverulenta (W. Bartram ex Willd.) Pollard ZEPU3honeycup · Ericaceae -
Zigadenus densus (Desr.) Fernald ZIDEOsceola's plume · Liliaceae -
Zigadenus glaberrimus Michx. ZIGLsandbog deathcamas · Liliaceae -
Zigadenus leimanthoides A. Gray ZILEpine barren deathcamas · Liliaceae -
Zigadenus micranthus Eastw. ZIMI2smallflower deathcamas · Liliaceae - Zigadenus micranthus Eastw. var. fontanus (Eastw.) O.S. Walsh ex McNeal ZIMIF2smallflower deathcamas · Liliaceae
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Zizania aquatica L. ZIAQannual wildrice · Poaceae -
Zizania palustris L. ZIPA3northern wildrice · Poaceae -
Zizania texana Hitchc. ZITETexas wildrice · Poaceae -
Zizaniopsis miliacea (Michx.) Döll & Asch. ZIMIgiant cutgrass · Poaceae -
Zostera marina L. ZOMAseawrack · Zosteraceae