CNPS Inventory Plant Detail

Dudleya virens ssp. hassei

Common Name:	Catalina Island dudleya
Family:	Crassulaceae
Synonyms:
Element Code:	PDCRA040S1
Full Name:	Dudleya virens (Rose) Moran ssp. hassei (Rose) Moran
USDA PLANTS Symbol:

Biology
Lifeform: perennial herb Blooming Period: March - June Habitat: Rocky. • Coastal bluff scrub

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: G2T2? T2: Imperiled. G2: (species) Imperiled.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 10
Element Occurrence Ranks:

A B C D X U

0 0 0 0 0 10

Population Status:

Historic >20 yrs	Recent <=20 yrs
8	2

Presence:

Present Extant	Possibly Extirpated	Extirpated
10	0	0

Notes

Known only from fewer than 15 extant occurrences on SCT. Threatened by development and habitat fragmentation. Possibly threatened by feral herbivores. Suspected to hybridize with D. virens ssp. insularis. See D. hassei in The Jepson Manual (1993). See Bulletin of the New York Botanical Garden 3(9):35 (1903) for original description, and Haseltonia 3:2 (1995) for revised nomenclature.
To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page.
Date Added: 2011-03-08
Last Update: 2011-03-15

Location

Elevation: 0 - 400 meters

California Endemic: yes

States: California

California Counties and Islands: name (code)
Los Angeles (LAX), Santa Catalina Island (SCT)

Quads: name (DWR code) USGS code
Santa Catalina East (SCTE) 33118C3, Santa Catalina North (SCTN) 33118D4, Santa Catalina South (SCTS) 33118C4, Santa Catalina West (SCTW) 33118D5

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

3558

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 .

-118.25,33.29