Taxon  Report   162    
Aira caryophyllea  L.
Shiver grass,  Silver hairgrass, Silvery hairgrass
Aira caryophyllea
© 2004 Carol W. Witham
Photos from
CalPhotos / Calflora
Aira caryophyllea
© 2010 Zoya Akulova
Aira caryophyllea
© 2009 Neal Kramer
Aira caryophyllea, a monocot, is an annual 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

one or more occurrences
within a 7.5-minute quadrangle

Plant Characteristics
and Associations

Bloom Period
Aira caryophyllea
© 2009 Keir Morse
Family: POACEAE  
Genus: Aira
Subspecies and Varieties:
Communities: (many plant communities)

Wetlands: Occurs usually in non wetlands, occasionally in wetlands

Name Status:
Accepted by JEF + PLANTS

More information about  Aira caryophyllea
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]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Dec 14, 2018).

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