Taxon  Report   66 
Achnatherum coronatum  (Thurb.) Barkworth  (not an active name; please see Stipa coronata)
Giant needlegrass,  Giant ricegrass, Giant stipa
Achnatherum coronatum
© 2010 Christopher Bronny
More photos from
CalPhotos / Calflora
Achnatherum coronatum, 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.

Interactive Distribution Map

Observation Hotline
(observation details + photos)

point, line, or polygon

Plant Characteristics
and Associations
Achnatherum coronatum
© 2005 Steve Matson
Family: POACEAE  
Genus: Achnatherum
Chaparral, Coastal Sage Scrub, Foothill Woodland, Pinyon-Juniper Woodland, Yellow Pine Forest
Habitat: slopes
Distribution by County 

Add an Observation of  Achnatherum coronatum

Name Status:
Accepted by PLANTS + JM93
TJM2 accepted name: Stipa coronata
Alternate Names:
(according to)

PLANTS: Stipa coronata
XWALK: Stipa coronata var. coronata
NOTE: Achnatherum coronatum is not an active name in the Calflora species table.
More information about  Achnatherum coronatum
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: Apr 23, 2018).

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