Species Details

Delphinium bakeri

Baker's larkspur

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Scientific Name:
Delphinium bakeri Ewan
Common Name:
Baker's larkspur
Family: Ranunculaceae
Element Code: PDRAN0B050
USDA Plants Symbol: DEBA
Synonyms/Other Names:
Lifeform: perennial herb
Blooming Period: Mar-May
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Elevation:
80 - 305 meters
260 - 1000 feet
General Habitats:
  • Broadleafed upland forest
  • Coastal scrub
  • Valley and foothill grassland
Microhabitat Details: decomposed shale
Microhabitat:
  • Mesic (often)
  • Shale
Notes:
Known from only one extant occurrence along Salmon Creek. Nearly extinct; as of July 2011, seven plants remain. Other historic occurrences extirpated by agricultural conversion, road maintenance, and grazing. Threatened by road maintenance, grazing, and horticultural collecting. See Bulletin of the Torrey Botanical Club 69:144 (1942) for original description.
Threats:
Taxonomy:
Threat List Total: 8
Total EOs % of EOs
EOs with Threat Listed: 5 83 %
THREAT LIST:
Other 4 66%
Over-collecting/poaching 1 16%
Road/trail construction/maint. 1 16%
Wood cutting or brush clearing 1 16%
Agriculture 1 16%
Total Occurrences: 6
Element Occurrence Ranks:
A B C D X U
0 0 0 1 1 4
Occurrence Status:
Historical >20 Years 2
Recent <=20 Years 4
Presence:
Presumed Extant 5
Possibly Extirpated 0
Presumed Extirpated 1
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Marin (MRN), Sonoma (SON)*
Quads: Name (Quad Code)
Camp Meeker (3812248)*, Duncans Mills (3812341), Petaluma (3812226)*, Point Reyes NE (3812227), Tomales (3812228)*, Valley Ford (3812238)
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.
Presumed Extant
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