Taxon  Report   8143 
Trisetum spicatum  (L.) Richter
Narrow oatgrass,  Spike trisetum
Trisetum spicatum
© 2012 Steve Matson
Click on a photo to see it bigger.
Trisetum spicatum
© 2002 Steve Matson
Trisetum spicatum
© 2003 Steve Matson
Trisetum spicatum, a monocot, is a perennial grass that is native to California and is also found elsewhere in North America and beyond.

Interactive Distribution Map

Observation Hotline
(observation details + photos)

point, line, or polygon

Plant Characteristics
and Associations

Bloom Period
Trisetum spicatum
© 2003 Steve Matson
Family: POACEAE  
Genus: Trisetum
Subalpine Forest, Alpine Fell-fields, wetland-riparian
Wetlands: Arid West: Occurs usually in non wetlands, occasionally in wetlands
Mountains, Valleys and Coast: Occurs in non wetlands
Name Status:
Accepted by TJM2 + PLANTS + JM93
Alternate Names:
(according to)

PLANTS: Aira spicata
PLANTS: Trisetum spicatum var. maidenii
PLANTS: Trisetum spicatum var. majus
PLANTS: Trisetum spicatum var. molle
PLANTS: Trisetum spicatum var. pilosiglume
PLANTS: Trisetum spicatum var. spicatiforme
PLANTS: Trisetum spicatum var. villosissimum
PLANTS: Trisetum subspicatum
PLANTS: Trisetum triflorum ssp. molle
PLANTS: Trisetum triflorum
PLANTS: Trisetum spicatum var. congdonii
PLANTS: Trisetum spicatum var. alaskanum
PLANTS: Trisetum molle
PLANTS: Trisetum montanum var. shearii
PLANTS: Trisetum spicatum ssp. alaskanum
PLANTS: Trisetum spicatum ssp. congdonii
PLANTS: Trisetum spicatum ssp. majus
PLANTS: Trisetum spicatum ssp. molle
PLANTS: Trisetum spicatum ssp. montanum
PLANTS: Trisetum spicatum ssp. pilosiglume
PLANTS: Trisetum villosissimum
TJM2 + PLANTS: Trisetum montanum
More information about  Trisetum spicatum
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on CalPhotos / Google Images
Jepson eFlora

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: Feb 20, 2018).

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