Taxon Details
Dudleya blochmaniae ssp. blochmaniae
Blochman's dudleya
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© 2011 Aaron E. Sims |
© 2011 Aaron E. Sims |
© 2016 Keir Morse |
Taxon Summary:
Dudleya blochmaniae ssp. blochmaniae, commonly known as Blochman's dudleya, is a perennial herb in the Crassulaceae that is found in California and elsewhere. It occurs within Chaparral, Coastal bluff scrub, Coastal scrub, and Valley and foothill grassland, growing at elevations from 5 to 450 meters. Dudleya blochmaniae ssp. blochmaniae is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.|
Scientific Name: Dudleya blochmaniae (Eastw.) Moran ssp. blochmaniae |
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Common Name: Blochman's dudleya |
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| Family: | Crassulaceae | |
| Element Code: | PDCRA04051 | |
| USDA Plants Symbol: | DUBLB | |
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Synonyms/Other Names: |
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| Name Status: |
JEF, FNA, POWO, IPNI, Tropicos |
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| CA Rare Plant Rank: | 1B.1 |
| Fed List: | None |
| State List: | None |
| Global Rank: | G3T2 |
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State Rank: |
S2 |
| Other Status: | BLM_S; SB_CalBG/RSABG |
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CRPR Changes: |
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| Add Date: | 1974-01-01 |
| Date Edited: | 2024-11-05 |
| Lifeform: perennial herb | ||||||||||||||
Blooming Period: Apr-Jun
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Elevation:
5 - 450 meters 15 - 1475 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
Microhabitat:
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| Threat List Total: | 15 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 41 | 51 % |
| THREAT LIST: | ||
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| Development | 17 | 20% |
| Grazing | 14 | 17% |
| Non-native plant impacts | 14 | 17% |
| Foot traffic/trampling | 8 | 9% |
| Military operations | 7 | 8% |
| Improper burning regime | 6 | 7% |
| Feral pigs | 6 | 7% |
| Road/trail construction/maint. | 5 | 6% |
| ORV activity | 5 | 6% |
| Erosion/runoff | 3 | 3% |
| Vandalism/dumping/litter | 2 | 2% |
| Other | 1 | 1% |
| Recreational use (non-ORV) | 1 | 1% |
| Altered flood/tidal/hydrologic regime | 1 | 1% |
| Mining | 1 | 1% |
| Total Occurrences: | 81 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 5 | 15 | 5 | 1 | 5 | 50 |
| Occurrence Status: | |||||
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| Historical >20 Years | 46 | ||||
| Recent <=20 Years | 35 | ||||
| Presence: | |||||
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| Presumed Extant | 76 | ||||
| Possibly Extirpated | 2 | ||||
| Presumed Extirpated | 3 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) Baja California (BA), California (CA) |
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California Counties and Islands: Name (Code) Los Angeles (LAX), Orange (ORA), San Diego (SDG), San Luis Obispo (SLO), Santa Barbara (SBA), Ventura (VEN) |
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Quads: Name (Quad Code) Calabasas (3411826), Camarillo (3411921), Cambria (3512151), Canoga Park (3411825), Casmalia (3412075), Cayucos (3512048), Dana Point (3311746), Guadalupe (3412085), Imperial Beach (3211751), La Jolla (3211772), Las Pulgas Canyon (3311734), Malibu Beach (3411816), Morro Bay North (3512047), Morro Bay South (3512037), Newbury Park (3411828), Oceanside (3311724), Pismo Beach (3512026), Point Dume (3411817), Point Sal (3412086), San Clemente (3311745), San Luis Obispo (3512036), San Luis Rey (3311723), San Simeon (3512162), Surf (3412065), Triunfo Pass (3411818) |
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Notes:
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Presumed Extant
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