Poaceae
Purple muhly
Muhlenbergia rigida
- Family
- Poaceae
- Genus
- Muhlenbergia
Pet and kid safety: not checked yet. Check pet-safe plants

Is yours looking unwell? Scan your plant — free
Common names
By language (1)
- English
- Purple muhly
Synonyms
- Agrostis colorata Willd. ex Steud.
- Agrostis glabrata (Kunth) Spreng.
- Agrostis quitensis Spreng.
- Agrostis rigida (Kunth) Spreng.
- Muhlenbergia affinis Trin.
- Muhlenbergia berlandieri Trin.
- Muhlenbergia elegans (Kunth) Trin.
- Muhlenbergia elegans var. atroviolacea Kuntze
- Muhlenbergia elegans var. subviridis Kuntze
- Muhlenbergia glabrata (Kunth) Trin.
- Muhlenbergia metcalfei M.E.Jones
- Muhlenbergia phragmitoides Griseb.
- Muhlenbergia phragmitoides var. phragmitoides
- Muhlenbergia tenuiramea Trin. ex E.Fourn.
- Podosemum affine (Trin.) Bush
- Podosemum elegans Kunth
- Podosemum glabratum Kunth
- Podosemum rigidum Kunth
- Stipa contracta Willd. ex Steud.
- Trichochloa elegans (Kunth) Roem. & Schult.
- Trichochloa glabrata (Kunth) Roem. & Schult.
- Trichochloa rigida (Kunth) Roem. & Schult.
Characteristics
- Growth habit
- Graminoid
- Lifespan
- Perennial
- In the US and Canada
- Lower 48 states: native
Photos

Photo: Carlos Martorell, CC BY 4.0, from Wikimedia Commons
More in Muhlenbergia
- Hairawn muhlyMuhlenbergia capillarisPoaceae
- Foxtail muhlyMuhlenbergia andinaPoaceae
- Bamboo muhlyMuhlenbergia dumosaPoaceae
- MuhlyMuhlenbergia macrouraPoaceae
- Mexican muhlyMuhlenbergia mexicanaPoaceae
- Mountain muhlyMuhlenbergia montanaPoaceae
- Mat muhlyMuhlenbergia richardsonisPoaceae
- Gulfhairawn muhlyMuhlenbergia sericeaPoaceae
- Devils Canyon muhlyMuhlenbergia appressaPoaceae
- ScratchgrassMuhlenbergia asperifoliaPoaceae
- California muhlyMuhlenbergia californicaPoaceae
- Cutover muhlyMuhlenbergia expansaPoaceae
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.