Stipa occidentalis Calflora

Calflora, a 501c3 non-profit

Taxon Report

Stipa occidentalis Thurb. ex S. Watson

Western needlegrass

2022 Steve Matson

2022 Arlee Montalvo

2018 David popp

2022 Arlee Montalvo

2021 Phyllis Fitzsimons

2020 David popp

Stipa occidentalis is a perennial grasslike herb that is native to California.


	Plant Range Observation Search ~858 records in California Plant Characteristics

Bloom Period

Photos on Calflora


Subspecies and Varieties:
... var. californica ... var. occidentalis ... var. pubescens
Genus:	Stipa
Family:	Poaceae
Category:	angiosperm
PLANTS group:	Monocot
Jepson eFlora section: monocot

Name Status:
Accepted by JEF

Alternate Names:


OTHER	Achnatherum occidentalis
iNat	Eriocoma occidentalis var. pubescens
PLANTS	Achnatherum occidentale ssp. occidentale
POWO	Eriocoma occidentalis

Information about Stipa occidentalis from other sources


Nursery availability from CNPLX This plant is available commercially. Jepson eFlora USDA PLANTS Profile (ACOCO) Photos on Calflora Photos on CalPhotos Google Images Photos on iNaturalist ID Tips on PlantID.net	International Plants Names Index Search efloras.org (Flora of North America) Landscape information from Calscape BONAP Distribution Map Consortium of California Herbaria 2 Search the Native American Ethnobotany Database	Add an Observation Location Suitability Planting Guide Distribution by County
photos / record / common / links

Suggested Citation

Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals. [web application]. 2025. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/ (Accessed: 07/19/2025).