Taxon Report
Ribes viburnifolium GraySanta Catalina Island currant |
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Taxon Summary
Ribes viburnifolium, commonly known as Santa Catalina Island currant, is a perennial evergreen shrub in the Grossulariaceae that is found in California and elsewhere. It occurs within Chaparral, and Cismontane woodland, growing at elevations from 30 to 350 meters. Ribes viburnifolium is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.Classification
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Scientific Name: |
Ribes viburnifolium Gray |
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Common Name: |
Santa Catalina Island currant |
| Family: | Grossulariaceae |
| Element Code: | PDGRO021P0 |
| USDA Plants Symbol: | RIVI |
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Synonyms/Other Names: |
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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? |
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State Rank: |
S2? |
| State List: | None |
| Fed List: | None |
| Other Status: | SB_USDA |
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CRPR Changes: |
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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 |
| 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% |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 12 November 2025].