Taxon  Report   12061    
Stipa occidentalis  Thurb. ex S. Watson
Western needlegrass
Stipa occidentalis
© 2006 Steve Matson
Photos from
CalPhotos / Calflora
Stipa occidentalis
© 2013 Robert Steers
Stipa occidentalis
© 2002 Steve Matson
Stipa occidentalis, a monocot, is a perennial grass that is native to California.

Interactive Distribution Map

Observation Hotline
(observation details)

point, line, or polygon

Plant Characteristics
and Associations

Bloom Period
Stipa occidentalis
© 2005 Steve Matson
Name Status:
Accepted by JEF

PLANTS accepted name:
Achnatherum occidentale ssp. occidentale

Alternate Names:
ICPN: Achnatherum occidentalis
ICPN: Achnatherum occidentale
More information about  Stipa occidentalis
Nursery / seed vendor availability from CNPLX
This plant is available commercially.
Landscaping information from Calscape
Photos on   /   Google Images
Jepson eFlora

Records from the Consortium of California Herbaria


Search (Flora of North America)

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]. 2019. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Jan 21, 2019).