Taxon  Report   697    
Arrhenatherum elatius  (L.) J. Presl & C. Presl
Tall oatgrass
Arrhenatherum elatius
© 2010 National Park Service
Photos from
CalPhotos / Calflora
Arrhenatherum elatius
© 2013 Trent M. Draper
Arrhenatherum elatius
© 2013 Trent M. Draper
Arrhenatherum elatius, a monocot, is a perennial grass that is not native to California; it was introduced from elsewhere and naturalized in the wild.

Interactive Distribution Map

Observation Hotline
(observation details)

point, line, or polygon

Plant Characteristics
and Associations

Bloom Period
Arrhenatherum elatius
© 2003 Craig Smith
Family: POACEAE  
Genus: Arrhenatherum
Communities: escaped cultivar

Wetlands: Occurs in non wetlands

Name Status:
Accepted by JEF + PLANTS

Alternate Names:
ICPN: Arrhenatherum elatius ssp. bulbosum
ICPN: Arrhenatherum elatius var. biaristatum
ICPN: Arrhenatherum elatius ssp. elatius
. . .
More information about  Arrhenatherum elatius
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Photos on Google Images
Jepson eFlora

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 21, 2019).