Taxon Report
Dudleya brevifolia (Moran) Moranshort-leaved dudleya |
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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. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 25 December 2024].