Frangula rubra Calflora

Calflora, a 501c3 non-profit

Taxon Report

Frangula rubra (Greene) Grubov

Red buckthorn

2019 Steve Matson

2020 Dana York

2019 Steve Matson

2020 Bob Sweatt

2017 Dana York

Frangula rubra is a shrub that is native to California, and endemic (limited) to California.


	Plant Range Observation Search ~551 records in California Plant Characteristics

Bloom Period

Photos on Calflora


Subspecies and Varieties:
... ssp. modocensis ... ssp. obtusissima ... ssp. rubra ... ssp. yosemitana
Genus:	Frangula
Family:	Rhamnaceae
Category:	angiosperm
PLANTS group:	Dicot
Jepson eFlora section: eudicot

Habitat: slopes

Communities: Sagebrush Scrub, Yellow Pine Forest, Red Fir Forest, Northern Juniper Woodland

Name Status:
Accepted by JEF + PLANTS + POWO

Alternate Names:


JEF	Rhamnus californica var. rubra
JEF	Rhamnus rubra

Information about Frangula rubra from other sources


Nursery availability from CNPLX This plant is available commercially. Jepson eFlora USDA PLANTS Profile (FRRU) 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: 07/15/2025).