Species Details

Dudleya cymosa ssp. marcescens

marcescent dudleya

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Scientific Name:
Dudleya cymosa (Lem.) Britt. & Rose ssp. marcescens Moran
Common Name:
marcescent dudleya
Family: Crassulaceae
Element Code: PDCRA040A3
USDA Plants Symbol: DUCYM
Synonyms/Other Names:
CA Rare Plant Rank: 1B.2
Fed List: FT (1997-01-29)
State List: CR (1978-11-01)
Global Rank: G5T2
State Rank:
S2
Other Status: SB_CalBG/RSABG
CRPR Changes:
Add Date: 1974-01-01
Date Edited: 2021-12-09
Lifeform: perennial herb
Blooming Period: Apr-Jul
Elevation:
150 - 520 meters
490 - 1705 feet
General Habitat:
  • Chaparral
General Micro Habitat:
Micro Habitat:
  • Rocky
  • Volcanic
Notes:
Known from fewer than 10 occurrences in the Santa Monica Mtns. Threatened by development and foot traffic. See MadroƱo 14(3):106 (1957) for original description.
Threats:
Taxonomy:
Other:
Total Occurrences: 14
Element Occurrence Ranks:
A B C D X U
1 7 1 0 0 5
Occurrence Status:
Historical >20 Years 2
Recent <=20 Years 12
Presence:
Presumed Extant 14
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)
Malibu Beach (3411816), Newbury Park (3411828), Point Dume (3411817), 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.

Map

Presumed Extant
Counties   Quads