Taxon Report

Dudleya traskiae (Rose) Moran

Santa Barbara Island dudleya

Print Report


  Classification
Scientific Name:
 Dudleya traskiae (Rose) Moran
Common Name:
 Santa Barbara Island dudleya
Family: Crassulaceae
Element Code: PDCRA040Q0
USDA Plants Symbol: DUTR
Synonyms/Other Names:

Ecology and Life History
Lifeform: perennial herb
Blooming Period: Feb-Jul Feb-Jul
Elevation: 30-110 (100-360)
General Habitats: Coastal bluff scrub, Coastal scrub
Microhabitat: Rocky
Microhabitat Details:

Conservation Status
CA Rare Plant Rank: 1B.2
Global Rank: G1
State Rank:
 S1
State List: CE
Fed List: FE
Other Status: SB_SBBG
CRPR Changes:

Occurrence Data from the CNDDB
Total Occurrences: 3
Element Occurrence Ranks:
   Excellent (A) 0
   Good (B) 0
   Fair (C) 0
   Poor (D) 0
   None (X) 0
   Unknown (U) 3

Location
California Endemic:  True
California Counties and Islands: Name (Code)
Santa Barbara (SBA)
Quads: Name (Quad Code)
Santa Barbara Island (3311848)

Threat List Data from the CNDDB

Threat List Total: 1
EOs with Threat Listed: Total EOs % of EOs
3 100 %
Erosion/runoff 3 100%

Notes
See Bulletin of the New York Botanical Garden 3:34 (1903) for original description, and Fremontia 5(4):37-38 (1978) for discussion of rediscovery and 14(4):3-6 (1987) for information on recovery work.
Threats:
Taxonomy:

Selected References

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 6 January 2025].