Taxon  Report   66    
Achnatherum coronatum  (Thurb.) Barkworth  
(no longer an active name)
Giant needlegrass,  Giant ricegrass, Giant stipa
Achnatherum coronatum
© 2005 Steve Matson
Photos from
CalPhotos / Calflora
Achnatherum coronatum, a monocot, is a perennial grass that is native to California, is also found outside of California, but is confined to western North America.

Interactive Distribution Map

Observation Hotline
(observation details)

point, line, or polygon

Plant Characteristics
and Associations
Achnatherum coronatum
© 2010 Christopher Bronny
Family: POACEAE  
Genus: Achnatherum
Communities: Chaparral, Coastal Sage Scrub, Foothill Woodland, Pinyon-Juniper Woodland, Yellow Pine Forest

Habitat: slopes

Name Status:
Accepted by PLANTS

ICPN accepted name:
Stipa coronata

Alternate Names:
PLANTS: Stipa coronata
NOTE: Achnatherum coronatum is no longer an active name.
More information about  Achnatherum coronatum
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on Google Images

Records from the Consortium of California Herbaria

ITIS Original Publication citation


Search the International Plants Names Index

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 18, 2019).