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Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Achnatherum occidentale ssp. californicum

Achnatherum occidentale (Thurb.) Barkworth ssp. californicum (Merr. & Burtt Davy) Barkworth

California Needle Grass, California Needlegrass

Poaceae (Grass family)

Synonym(s): Achnatherum nelsonii ssp. longiaristatum, Stipa californica, Stipa nelsonii var. longiaristata, Stipa occidentalis var. californica


USDA Native Status: L48 (N), CAN (N)


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Plant Characteristics

Duration: Perennial
Habit: Grass/Grass-like
Fruit Type: Caryopsis
Size Notes: Up to about 6 feet tall.

Bloom Information

Bloom Color: Red , Green , Brown
Bloom Time: May , Jun , Jul , Aug


USA: CA , ID , NV , OR , WA
Canada: AB

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 occidentale ssp. californicum in USDA Plants
FNA: Find Achnatherum occidentale ssp. californicum in the Flora of North America (if available)
Google: Search Google for Achnatherum occidentale ssp. californicum


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

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