Stipa divaricata Calflora

Calflora, a 501c3 non-profit

Taxon Report

Stipa divaricata Columbus & J.P. Sm.

Small-flowered rice grass

2016 Steve Matson

Stipa divaricata is a perennial grasslike herb that is native to California, and also found elsewhere in western North America.

also called Piptatherum micranthum

California Rare Plant Rank: 2B.3 (rare, threatened, or endangered in CA; common elsewhere).


	Plant Range Observation Search ~33 records in California Plant Characteristics one or more occurrences within a 7.5-minute quadrangle

Bloom Period

Photos on Calflora


Genus:	Stipa
Family:	Poaceae
Category:	angiosperm
PLANTS group:	Monocot
Jepson eFlora section: monocot

Communities: Pinyon-Juniper Woodland

Name Status:
Accepted by JEF + CNPS

Alternate Names:


CNPS	Oryzopsis micrantha, Piptatherum micranthum
JEF	Oryzopsis micrantha
JEF	Piptatherum micranthum
POWO + PLANTS	Piptatheropsis micrantha

Information about Stipa divaricata from other sources


Nursery availability from CNPLX Commercial availability unknown. Jepson eFlora 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 CNPS Inventory: 2B.3 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: 05/14/2025).