Species Details

Dudleya cymosa ssp. agourensis

Agoura Hills dudleya

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Scientific Name:
Dudleya cymosa (Lemaire) Britton & Rose ssp. agourensis K. Nakai
Common Name:
Agoura Hills dudleya
Family: Crassulaceae
Element Code: PDCRA040A7
USDA Plants Symbol: DUCYA
Synonyms/Other Names:
CA Rare Plant Rank: 1B.2
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: 1980-01-01
Date Edited: 2022-12-06
Lifeform: perennial herb
Blooming Period: May-Jun
JFMAMJJASOND
Elevation:
200 - 500 meters
655 - 1640 feet
General Habitats:
  • Chaparral
  • Cismontane woodland
Microhabitat Details:
Microhabitat:
  • Rocky
  • Volcanic
Notes:
Known only from the western Santa Monica Mtns. Threatened by development. Possibly threatened by foot traffic. A synonym of D. cymosa ssp. ovatifolia in The Jepson Manual; USFWS also uses this name. See MadroƱo 34(4):339 (1987) for original description.
Threats:
Taxonomy:
Threat List Total: 6
Total EOs % of EOs
EOs with Threat Listed: 5 63 %
THREAT LIST:
Foot traffic/trampling 3 37%
Development 3 37%
Erosion/runoff 2 25%
Non-native plant impacts 2 25%
Road/trail construction/maint. 1 12%
Total Occurrences: 8
Element Occurrence Ranks:
A B C D X U
2 3 0 0 0 3
Occurrence Status:
Historical >20 Years 3
Recent <=20 Years 5
Presence:
Presumed Extant 8
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Los Angeles (LAX), Ventura (VEN)
Quads: Name (Quad Code)
Point Dume (3411817), Thousand Oaks (3411827)
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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