Calflora
Taxon  Report   664    
Aristida oligantha  Michx.
Oldfield three awn,  Prairie threeawn
Aristida oligantha
© 2007 Christopher Bronny
Photos from
CalPhotos / Calflora
Aristida oligantha
© 2008 Keir Morse
Aristida oligantha
© 2008 Keir Morse
Aristida oligantha, a monocot, is an annual 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
Aristida oligantha
© 2001 Julie Kierstead Nelson
Family: POACEAE  
Genus: Aristida
Communities: Valley Grassland, Foothill Woodland, Coastal Prairie, Sagebrush Scrub

Habitat: slopes

Name Status:
Accepted by JEF + PLANTS

Alternate Names:
PLANTS: Aristida ramosissima var. chaseana
More information about  Aristida oligantha
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on PlantID.net   /   Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation

USDA PLANTS Profile (AROL)

Search the International Plants Names Index

Search efloras.org (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: https://www.calflora.org/   (Accessed: Dec 14, 2018).

The information on this page comes from diverse sources. None of the links are sponsored.