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Thelypteris palustris Schott var. pubescens (G. Lawson) Fernald. Marsh Fern. Phen: Jun-Sep. Hab: Bogs, marshes (including freshwater tidal marshes), and bottomland forests. Dist: The species is circumboreal, occurring in n. Europe, n. Asia, and n. North America. Var. pubescens is the American variety, ranging from NL (Newfoundland) and MB south to s. FL and c. TX; c. Mexico (Michoacán, Distrito Federal); Bermuda, Cuba; also e. Asia.

Origin/Endemic status: Native

Synonymy: = AqW, Ar, C, ETx1, Fl1, FNA2, G, Il, K1, K3, K4, Mo1, NE, NY, Pa, Tn, TxFerns, Va, W, WH3, WV, Fawcett & Smith (2021), Lin et al (2013); = Dryopteris thelypteris (L.) A.Gray var. pubescens (G.Lawson) A.Prince ex Weath. – F; < Dryopteris thelypteris (L.) A.Gray – S13; < Thelypteris palustris Schott – GrPl, RAB; > Thelypteris palustris Schott var. haleana Fernald – SFla, Tat, Tx; > Thelypteris palustris Schott var. pubescens (G.Lawson) Fernald – Tat; < Thelypteris thelypteris (L.) Nieuwl. – Sf

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: OBL (name change)
  • Eastern Mountains and Piedmont: FACW (name change)
  • Great Plains: OBL (name change)
  • Midwest: OBL (name change)
  • Northcentral & Northeast: FACW (name change)

Heliophily: 5

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image of plant© Erik Danielson source | Original Image ⭷
image of plant© Alan Cressler: Thelypteris palustris var. pubescens, Hurricane Creek Outlet Bog, Upper Nantahala River, Nantahala National Forest, Macon County, North Carolina 3 by Alan Cressler source | Original Image ⭷
image of plant© Scott Ward | Original Image ⭷
image of plant© Erik Danielson source | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Erik Danielson source | Original Image ⭷
image of plant© Alan Cressler: Thelypteris palustris, Flood Plain Swamp, Withlacoochee River, Flying Eagle Preserve, Southwest Florida Water Management District Lands, Citrus County, Florida 1 by Alan Cressler source | Original Image ⭷
image of plant© Erik Danielson source | Original Image ⭷
image of plant© Erik Danielson source | Original Image ⭷
image of plant© Radford, Ahles and Bell | Original Image ⭷

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