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Plant Database

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Achnatherum stillmanii

Achnatherum stillmanii (Bol.) Barkworth

Stillman's Needle Grass, Stillman's Needlegrass

Poaceae (Grass family)

Synonym(s): Stipa stillmanii

USDA Symbol: ACST7

USDA Native Status: L48 (N)


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Plant Characteristics

Duration: Perennial
Habit: Grass/Grass-like
Fruit Type: Caryopsis
Size Notes: Up to about 5 feet tall.

Bloom Information

Bloom Color: Green , Brown
Bloom Time: Jun , Jul


Native Habitat: Coniferous forests.

Web Reference

Webref 30 - Calflora (2018) Calflora
Webref 32 - Grasses of Canada, the U.S., and Mexico - North America north of Mexico (all countries, provinces, states, territories) (2019) Open Herbarium (

Additional resources

USDA: Find Achnatherum stillmanii in USDA Plants
FNA: Find Achnatherum stillmanii in the Flora of North America (if available)
Google: Search Google for Achnatherum stillmanii


Record Modified: 0000-00-00
Research By: CBR

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