Taxon Report

Ribes canthariforme Wiggins

Moreno currant

Print Report

Taxon Summary

Ribes canthariforme, commonly known as Moreno currant, is a perennial deciduous shrub in the Grossulariaceae that is found only in California. It occurs within Chaparral, and Riparian scrub, growing at elevations from 340 to 1200 meters. Ribes canthariforme is ranked 1B.3, Plants Rare, Threatened or Endangered in California and Elsewhere; Not very threatened in California.

Classification


Scientific Name:	Ribes canthariforme Wiggins
Common Name:	Moreno currant
Family:	Grossulariaceae
Element Code:	PDGRO02070
USDA Plants Symbol:	RICA2
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial deciduous shrub
Blooming Period: Feb-Apr	Feb-Apr
Elevation:	340-1200 (1115-3935)
General Habitats:	Chaparral, Riparian scrub
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.3
Global Rank:	G2
State Rank:	S2
State List:	None
Fed List:	None
Other Status:	BLM_S; SB_CRES; USFS_S
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	27
Element Occurrence Ranks:
Excellent (A)	2
Good (B)	2
Fair (C)	2
Poor (D)	0
None (X)	0
Unknown (U)	21

Location


California Endemic: True
California Counties and Islands: Name (Code)
San Diego (SDG)
Quads: Name (Quad Code)
Alpine (3211677), Barrett Lake (3211666), Descanso (3211675), Dulzura (3211667), El Cajon Mtn. (3211687), Morena Reservoir (3211665), Viejas Mountain (3211676)

Threat List Data from the CNDDB


Threat List Total:	5
EOs with Threat Listed:	Total EOs	% of EOs
	5	19 %
Improper burning regime	2	7%
Wood cutting or brush clearing	2	7%
Development	1	3%
Recreational use (non-ORV)	1	3%
Road/trail construction/maint.	1	3%

Notes



Threatened by recreational activities and vehicles. See Contributions from the Dudley Herbarium 1:101 (1929) 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 17 March 2025].