Taxon Report
Crossosoma californicum Nutt.Catalina crossosoma |
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Species Description:
Crossosoma californicum, commonly known as Catalina crossosoma, is a perennial deciduous shrub in the Crossosomataceae that is found in California and elsewhere. It occurs within Chaparral, and Coastal scrub, growing at elevations from 0 to 500 meters. Crossosoma californicum is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.
Classification
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Scientific Name: |
Crossosoma californicum Nutt. |
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Common Name: |
Catalina crossosoma |
| Family: | Crossosomataceae |
| Element Code: | PDCRO02020 |
| USDA Plants Symbol: | CRCA4 |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial deciduous shrub |
| Blooming Period: Feb-May | Feb-May |
| Elevation: | 0-500 (0-1640) |
| General Habitats: | Chaparral, Coastal scrub |
| Microhabitat: | Rocky |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.2 |
| Global Rank: | G3 |
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State Rank: |
S3 |
| State List: | None |
| Fed List: | None |
| Other Status: | SB_CalBG/RSABG |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 80 |
| Element Occurrence Ranks: | |
| Excellent (A) | 4 |
| Good (B) | 4 |
| Fair (C) | 2 |
| Poor (D) | 1 |
| None (X) | 0 |
| Unknown (U) | 69 |
| California Endemic: False | |
| California Counties and Islands: Name (Code) | |
| Los Angeles (LAX) | |
| Quads: Name (Quad Code) | |
| San Clemente Island Central (3211874), San Clemente Island North (3211885), San Clemente Island South (3211873), San Pedro (3311863), 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: | 8 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 6 | 8 % | |
| Development | 4 | 5% |
| Erosion/runoff | 1 | 1% |
| Foot traffic/trampling | 1 | 1% |
| Non-native animal impacts | 1 | 1% |
| Non-native plant impacts | 1 | 1% |
| Other | 1 | 1% |
| Recreational use (non-ORV) | 1 | 1% |
| Road/trail construction/maint. | 1 | 1% |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 15 January 2025].