CNPS Inventory Plant Detail

Dudleya multicaulis

Common Name:	many-stemmed dudleya
Family:	Crassulaceae
Synonyms:
Element Code:	PDCRA040H0
Full Name:	Dudleya multicaulis (Rose) Moran
USDA PLANTS Symbol:	DUMU

Biology
Lifeform: perennial herb Blooming Period: April - July Habitat: often clay. • Chaparral • Coastal scrub • Valley and foothill grassland

Rarity Status
CA Rare Plant Rank: 1B.2 Rare, threatened, or endangered in California and elsewhere .2: Fairly endangered in California Federal Listing Status: Not Listed State Listing Status: Not Listed State Rank: S2 S2: Imperiled. Global Rank: G2 G2: Imperiled.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 116
Element Occurrence Ranks:

A B C D X U

10 17 4 2 13 70

Population Status:

Historic >20 yrs	Recent <=20 yrs
77	39

Presence:

Present Extant	Possibly Extirpated	Extirpated
103	5	8

Notes

Occurrence on 49B needs verification; exact location and identification uncertain. Seriously threatened by development, road construction and maintenance, fire suppression, non-native plants, mining, grazing, and recreation. Possibly threatened by military activities See Bulletin of the New York Botanical Garden 3:38 (1903) for original description, and Madroño 45(3):215-220 (1998) and 57(1):42-53 (2010) for population ecology information.
To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page.
Date Added: 1974-01-01
Last Update: 2010-11-15

Location

Elevation: 15 - 790 meters

California Endemic: yes

States: California

California Counties and Islands: name (code)
Los Angeles (LAX), Orange (ORA), Riverside (RIV), San Bernardino (SBD), San Diego (SDG)

Quads: name (DWR code) USGS code
Vail Lake (049B)? 33116D8, Fallbrook (051A) 33117D3, Margarita Peak (051B) 33117D4, Las Pulgas Canyon (051C) 33117C4, Morro Hill (051D) 33117C3, San Clemente (052A) 33117D5, Dana Point (052B) 33117D6, San Onofre Bluff (052D) 33117C5, Lake Elsinore (069A) 33117F3, Alberhill (069B) 33117F4, Sitton Peak (069C) 33117E4, Santiago Peak (070A) 33117F5, El Toro (070B) 33117F6, San Juan Capistrano (070C) 33117E6, Canada Gobernadora (070D) 33117E5, Tustin (071A) 33117F7, Newport Beach (071B)* 33117F8, Laguna Beach (071D) 33117E7, Lake Mathews (086C) 33117G4, Corona North (087A) 33117H5, Prado Dam (087B)* 33117H6, Black Star Canyon (087C) 33117G6, Corona South (087D) 33117G5, La Habra (088B)* 33117H8, Orange (088D) 33117G7, Venice (090B)* 33118H4, Mt. Baldy (108B) 34117B6, Glendora (109A) 34117B7, San Dimas (109D) 34117A7, Hollywood (111D) 34118A3, Calabasas (112B) 34118B6, Topanga (112D) 34118A5

Notes:

Definitions of codes preceding a county and/or quad:
*		Presumed extirpated
?		Uncertain about distribution or identity
?*		Uncertain about distribution, but presumed extirpated if once present
(?)		Occurrence confirmed, but possibly extirpated

Species may be present in other areas where conditions are favorable.

Presumed Extant

Presumed Extirpated or Unknown

399

Links to Leading Resources of Taxon Information
USDA PLANTS Calflora CalPhotos Consortium of California Herbaria California Department of Fish and Game: CNDDB Quick Viewer

Suggested Citation
California Native Plant Society (CNPS). Inventory of Rare and Endangered Plants (online edition, v8-01a). California Native Plant Society. Sacramento, CA. Accessed on .

-117.625,33.625