Species Details

Dudleya cymosa ssp. ovatifolia

Santa Monica dudleya

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Species Description:

Dudleya cymosa ssp. ovatifolia, commonly known as Santa Monica dudleya, is a perennial herb in the Crassulaceae that is found only in California. It occurs within Chaparral, and Coastal scrub, growing at elevations from 150 to 1675 meters. Dudleya cymosa ssp. ovatifolia is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.

Scientific Name:
Dudleya cymosa (Lem.) Britt. & Rose ssp. ovatifolia (Britt.) Moran
Common Name:
Santa Monica dudleya
Family: Crassulaceae
Element Code: PDCRA040A5
USDA Plants Symbol: DUCYO
Synonyms/Other Names:
Name Status: JEP, FNA, POWO,
IPNI, Tropicos
CA Rare Plant Rank: 1B.1
Fed List: FT (1997-01-29)
State List: None
Global Rank: G5T1
State Rank:
S1
Other Status: SB_CalBG/RSABG; SB_SBBG
CRPR Changes:
Add Date: 1974-01-01
Date Edited: 2024-10-02
Lifeform: perennial herb
Blooming Period: Mar-Jun
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Elevation:
150 - 1675 meters
490 - 5495 feet
General Habitats:
  • Chaparral
  • Coastal scrub
Microhabitat Details: sometimes sedimentary
Microhabitat:
  • Rocky
  • Volcanic (sometimes)
Notes:
Known from fewer than ten occurrences.
Threats:
Threatened by development and recreational activities. 
Taxonomy:
Does not include D. cymosa ssp. agourensis. Plants from Santiago Canyon, ORA County, are now treated as D. chasmophyta.
Threat List Total: 4
Total EOs % of EOs
EOs with Threat Listed: 2 67 %
THREAT LIST:
Improper burning regime 1 33%
Non-native plant impacts 1 33%
Recreational use (non-ORV) 1 33%
Vandalism/dumping/litter 1 33%
Total Occurrences: 3
Element Occurrence Ranks:
A B C D X U
0 1 0 0 0 2
Occurrence Status:
Historical >20 Years 1
Recent <=20 Years 2
Presence:
Presumed Extant 3
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Los Angeles (LAX)
Quads: Name (Quad Code)
Malibu Beach (3411816), Topanga (3411815), Triunfo Pass (3411818)
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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