Taxon Report
Dudleya brevifolia (Moran) Moranshort-leaved dudleya |
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Taxon Summary
Dudleya brevifolia, commonly known as short-leaved dudleya, is a perennial herb in the Crassulaceae that is found only in California. It occurs within Chaparral (maritime, openings), and Coastal scrub, growing at elevations from 30 to 250 meters. Dudleya brevifolia is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.Classification
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Scientific Name: |
Dudleya brevifolia (Moran) Moran |
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Common Name: |
short-leaved dudleya |
| Family: | Crassulaceae |
| Element Code: | PDCRA04053 |
| USDA Plants Symbol: | |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial herb |
| Blooming Period: Apr-May | Apr-May |
| Elevation: | 30-250 (100-820) |
| General Habitats: | Chaparral, Coastal scrub |
| Microhabitat: | Sandstone |
| Microhabitat Details: | Torrey sandstone |
Conservation Status
| CA Rare Plant Rank: | 1B.1 |
| Global Rank: | G1 |
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State Rank: |
S1 |
| State List: | CE |
| Fed List: | None |
| Other Status: | SB_CalBG/RSABG; SB_CRES |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 9 |
| Element Occurrence Ranks: | |
| Excellent (A) | 1 |
| Good (B) | 3 |
| Fair (C) | 1 |
| Poor (D) | 0 |
| None (X) | 4 |
| Unknown (U) | 0 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| San Diego (SDG) | |
| Quads: Name (Quad Code) | |
| Del Mar (3211782), La Jolla (3211772) | |
Threat List Data from the CNDDB
| Threat List Total: | 10 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 9 | 100 % | |
| Development | 5 | 55% |
| Erosion/runoff | 5 | 55% |
| Foot traffic/trampling | 5 | 55% |
| Non-native plant impacts | 5 | 55% |
| Recreational use (non-ORV) | 4 | 44% |
| Vandalism/dumping/litter | 4 | 44% |
| Other | 3 | 33% |
| Road/trail construction/maint. | 2 | 22% |
| Altered flood/tidal/hydrologic regime | 1 | 11% |
| ORV activity | 1 | 11% |
Notes
| Known only from Del Mar and La Jolla areas. Seriously threatened by urbanization, vehicles, foot traffic, and fire break construction. State-listed as D. blochmaniae ssp. brevifolia; see this name in TJM (1993). See Baileya 19:146 (1975) for revised nomenclature, and Fremontia 13(1):21 (1985) for species account. |
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Threats: |
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Taxonomy: |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 31 January 2025].