Sphenopholis pensylvanica (Linnaeus) A.S. Hitchcock. Common name: Swamp-oats. Phenology: Apr-Jun. Habitat: Bogs, ditches, wet forests, tidal swamps, calcareous seeps. Distribution: MA west to OH and se. MO, south to n. peninsular FL and LA.
Origin/Endemic status: Native
Synonymy ⓘ: = C, FlGr, FNA24, K4, Mo1, NE, NY, Pa, Tn, Va, WH3, Tucker (1996); = Avena palustris Michx.; = Eatonia pennsylvanica; = Eatonia pensylvanica (L.) A.Gray — S13; = Sphenopholis pennsylvanica — GW1, orthographic variant; = Trisetum pennsylvanicum (L.) P.Beauv. — Tat, orthographic variant; = Trisetum pensylvanicum (L.) P.Beauv. ex Roem. & Schult. — F, G, RAB, S, WV; > Trisetum ludovicianum Vasey — S13; > Trisetum pennsylvanicum (L.) P.Beauv. — S13; Avena pensylvanica Linnaeus. Basionym: Avena pensylvanica L. 1753
Links to other floras: = Sphenopholis pensylvanica - FNA24
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Wetland Indicator Status:
- Atlantic and Gulf Coastal Plain: OBL
- Eastern Mountains and Piedmont: OBL
- Midwest: OBL
- Northcentral & Northeast: OBL
Heliophily ⓘ: 6
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