Species Details

Dudleya multicaulis

many-stemmed dudleya

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Scientific Name:
Dudleya multicaulis (Rose) Moran
Common Name:
many-stemmed dudleya
Family: Crassulaceae
Element Code: PDCRA040H0
USDA Plants Symbol: DUMU
Synonyms/Other Names:
Lifeform: perennial herb
Blooming Period: Apr-Jul
Elevation:
15 - 790 meters
50 - 2590 feet
General Habitat:
  • Chaparral
  • Coastal scrub
  • Valley and foothill grassland
General Micro Habitat: often clay
Micro Habitat:
Notes:
Occurrence on 49B needs verification; exact location and identification uncertain. Seriously threatened by development, road construction and maintenance, fire suppression, non-native plants, mining, grazing, and recreation. Possibly threatened by military activities See Bulletin of the New York Botanical Garden 3:38 (1903) for original description, and MadroƱo 45(3):215-220 (1998) and 57(1):42-53 (2010) for population ecology information.
Threats:
Taxonomy:
Other:
References:
Total Occurrences: 154
Element Occurrence Ranks:
A B C D X U
8 21 4 4 12 105
Occurrence Status:
Historical >20 Years 100
Recent <=20 Years 54
Presence:
Presumed Extant 142
Possibly Extirpated 5
Presumed Extirpated 7
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Los Angeles (LAX), Orange (ORA), Riverside (RIV), San Bernardino (SBD), San Diego (SDG)
Quads: Name (Quad Code)
Alberhill (3311764), Azusa (3411728), Baldwin Park (3411718), Black Star Canyon (3311776), Burbank (3411823), Calabasas (3411826), Canada Gobernadora (3311755), Corona North (3311785), Corona South (3311775), El Monte (3411811), El Toro (3311766), Fallbrook (3311743), Glendora (3411727), Hollywood (3411813), La Habra (3311788)*, Laguna Beach (3311757), Lake Elsinore (3311763), Lake Mathews (3311774), Las Pulgas Canyon (3311734), Margarita Peak (3311744), Morro Hill (3311733), Mt. Baldy (3411726), Newport Beach (3311768)*, Orange (3311777), Prado Dam (3311786)*, Sage (3311658), San Clemente (3311745), San Dimas (3411717), San Juan Capistrano (3311756), San Onofre Bluff (3311735), Sitton Peak (3311754), Tustin (3311767), Vail Lake (3311648)?, Whittier (3311881)
Notes:
Definitions of codes following a county and/or quad:
* Presumed extirpated
(?) Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.

Map

Presumed Extant
Counties   Quads