Taxon  Report   76 
Achnatherum occidentale  (Thurber) Barkworth  ssp. californicum  (Merr. & Burtt Davy) Barkworth  (not an active name; please see Stipa occidentalis var. californica)
California needlegrass,  California stipa
Achnatherum occidentale ssp. californicum
© 2008 Steve Matson
Click on a photo to see it bigger.
Achnatherum occidentale ssp. californicum, a monocot, is a perennial grass that is native to California and is also found outside of California, but is confined to western North America.

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Plant Characteristics
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Bloom Period
Achnatherum occidentale ssp. californicum
© 2006 Steve Matson
Family: POACEAE  
Genus: Achnatherum
Sagebrush Scrub, Yellow Pine Forest, Red Fir Forest, Lodgepole Forest
Distribution by County 

Add an Observation of  Achnatherum occidentale ssp. californicum

Name Status:
Accepted by PLANTS + JM93
TJM2 accepted name: Stipa occidentalis var. californica
Alternate Names:
(according to)

PLANTS: Achnatherum nelsonii ssp. longiaristatum
PLANTS: Stipa californica
PLANTS: Stipa nelsonii var. longiaristata
PLANTS: Stipa occidentalis var. californica
XWALK: Achnatherum occidentalis ssp. californicum
NOTE: Achnatherum occidentale ssp. californicum is not an active name in the Calflora species table.
More information about  Achnatherum occidentale ssp. californicum
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on CalPhotos / Google Images

Records from the Consortium of California Herbaria

Original Publication citation (ITIS)


Search the International Plants Names Index

Search (Flora of North America)

Search the Lady Bird Johnson Wildflower Center

website references from Google

Suggested Citation
Calflora: Information on California plants for education, research and conservation,
with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria.
[web application]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Feb 20, 2018).

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