Species Details

Dudleya virens ssp. hassei

Catalina Island dudleya

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Classification

Scientific Name: Dudleya virens (Rose) Moran ssp. hassei (Rose) Moran
Common Name: Catalina Island dudleya
Family:	Crassulaceae
Element Code:	PDCRA040S1
USDA Plants Symbol:	DUVIH
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G3?T2
State Rank:	S2
Other Status:	SB_CalBG/RSABG
CRPR Changes: added to 1B.2 on 2011-03-08
Add Date:	2011-03-08
Date Edited:	2021-12-09

Ecology and Life History

Lifeform: perennial herb

Blooming Period: Mar-Jun

Elevation:
0 - 400 meters
0 - 1310 feet

General Habitats:

Coastal bluff scrub
Coastal scrub

Microhabitat Details:

Microhabitat:

Rocky

Notes

Notes: Threatened by development and habitat fragmentation. Possibly threatened by feral herbivores. Suspected to hybridize with D. virens ssp. insularis. See D. hassei in TJM (1993). See Bulletin of the New York Botanical Garden 3(9):35 (1903) for original description, and Haseltonia 3:2 (1995) for revised nomenclature.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	0
	Total EOs	% of EOs
EOs with Threat Listed:	0	%
No threats

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					10
A	B	C	D	X	U
0	0	0	0	0	10

Occurrence Status:
Historical >20 Years	8
Recent <=20 Years	2

Presence:
Presumed Extant	10
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Los Angeles (LAX)

Quads: Name (Quad Code)
Santa Catalina East (3311833), Santa Catalina North (3311844), Santa Catalina South (3311834), Santa Catalina West (3311845)

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.

Regional Map

Map

Presumed Extant

Click on quad for name. Hold Shift Key to use mouse scroll wheel

Selected References

CNPS Status Review:

CRPR List Addition on 2011-03-08