Taxon Report

Ribes viburnifolium Gray

Santa Catalina Island currant

Print Report

Classification


Scientific Name:	Ribes viburnifolium Gray
Common Name:	Santa Catalina Island currant
Family:	Grossulariaceae
Element Code:	PDGRO021P0
USDA Plants Symbol:	RIVI
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial evergreen shrub
Blooming Period: Feb-Apr	Feb-Apr
Elevation:	30-350 (100-1150)
General Habitats:	Chaparral, Cismontane woodland
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.2
Global Rank:	G2?
State Rank:	S2?
State List:	None
Fed List:	None
Other Status:	SB_USDA
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	32
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	0
Fair (C)	1
Poor (D)	0
None (X)	0
Unknown (U)	31

Location


California Endemic: False
California Counties and Islands: Name (Code)
Los Angeles (LAX), San Diego (SDG)
Quads: Name (Quad Code)
Imperial Beach (3211751), Santa Catalina East (3311833), Santa Catalina North (3311844), Santa Catalina South (3311834), Santa Catalina West (3311845)

Threat List Data from the CNDDB


Threat List Total:	1
EOs with Threat Listed:	Total EOs	% of EOs
	1	3 %
Erosion/runoff	1	3%

Notes



Threatened by mining on mainland. Possibly threatened by non-native feral herbivores on SCI Isl. See Proceedings of the American Academy of Arts and Sciences 17:202 (1882) for original description.
Threats:

Taxonomy:

Selected References

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 10 January 2025].