Taxon  Report   8143    
Trisetum spicatum  (L.) K. Richt.
Narrow oatgrass,  Spike trisetum
Trisetum spicatum
© 2003 Steve Matson
Photos from
CalPhotos / Calflora
Trisetum spicatum
© 2002 Steve Matson
Trisetum spicatum
© 2003 Steve Matson
Trisetum spicatum, a monocot, is a perennial grass that is native to California, is also found elsewhere in North America and beyond.

Interactive Distribution Map

Observation Hotline
(observation details)

point, line, or polygon

Plant Characteristics
and Associations

Bloom Period
Trisetum spicatum
© 2012 Steve Matson
Family: POACEAE  
Genus: Trisetum
Communities: Subalpine Forest, Alpine Fell-fields, wetland-riparian

Arid West: Occurs usually in non wetlands, occasionally in wetlands
Mountains, Valleys and Coast: Occurs in non wetlands

Name Status:
Accepted by JEF + PLANTS

Alternate Names:
PLANTS: Aira spicata
PLANTS: Trisetum spicatum var. maidenii
PLANTS: Trisetum spicatum var. majus
. . .
More information about  Trisetum spicatum
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
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 22, 2019).