Poaceae
Swamp wedgescale
Sphenopholis pensylvanica
- Family
- Poaceae
- Genus
- Sphenopholis
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Common names
By language (1)
- English
- Swamp wedgescale
Synonyms
- Aira avenacea Willd. ex Steud.
- Aira pallens var. aristata Muhl. ex Elliott
- Arrhenatherum kentuckense Torr. ex Steud.
- Arrhenatherum kentuckense Torr.
- Arrhenatherum kentuckensis Torr.
- Arrhenatherum pennsylvanicum (L.) Torr.
- Avena caroliniana Walter
- Avena palustris Michx.
- Avena pennsylvanica Muhl.
- Avena pensylvanica L.
- Sphenopholis palustris (Michx.) Scribn.
- Sphenopholis palustris subsp. flexuosa Scribn.
- Sphenopholis palustris var. flexuosa Scribn.
- Sphenopholis pennsylvanica var. flexuosa (Scribn.) F.T.Hubb.
- Trisetum ludovicianum Vasey
- Trisetum palustre (Michx.) Torr.
- Trisetum pensylvanicum (L.) Roem. & Schult.
Characteristics
- Growth habit
- Graminoid
- Lifespan
- Perennial
- In the US and Canada
- Lower 48 states: native
Photos
Photo: Robert Curtis, Ecological Supervisor in the Conservation Department, Summit Metr, CC BY 4.0, from Wikimedia Commons 
Photo: Robert Curtis, Ecological Supervisor in the Conservation Department, Summit Metr, CC BY 4.0, from Wikimedia Commons 
Photo: Robert Curtis, Ecological Supervisor in the Conservation Department, Summit Metr, CC BY 4.0, from Wikimedia Commons 
Photo: Robert Curtis, Ecological Supervisor in the Conservation Department, Summit Metr, CC BY 4.0, from Wikimedia Commons 
Photo: Robert Curtis, Ecological Supervisor in the Conservation Department, Summit Metr, CC BY 4.0, from Wikimedia Commons
More in Sphenopholis
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.