Species Details

Dudleya abramsii ssp. affinis

San Bernardino Mountains dudleya

Download Report Calflora eFlora CCH CalPhotos

Classification

Scientific Name: Dudleya abramsii Rose ssp. affinis K. Nakai
Common Name: San Bernardino Mountains dudleya
Family:	Crassulaceae
Element Code:	PDCRA04013
USDA Plants Symbol:	DUABA2
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G4T2
State Rank:	S2
Other Status:	BLM_S; SB_CalBG/RSABG; USFS_S
CRPR Changes:
Add Date:	1988-01-01
Date Edited:	2021-12-09

Ecology and Life History

Lifeform: perennial herb
Blooming Period: Apr-Jul
Elevation: 1250 - 2600 meters 4100 - 8530 feet
General Habitat: Pebble (Pavement) plain Pinyon and juniper woodland Upper montane coniferous forest
General Micro Habitat: sometimes quartzite
Micro Habitat: Carbonate (sometimes) Granitic (sometimes)

Notes

Notes: Known only from the San Bernardino Mtns. Threatened by development, foot traffic, limestone mining, and vehicles. Possibly threatened by non-native plants and illegal dumping. See Madroño 34(4):349 (1987) for original description.
Threats: Threatened by development, foot traffic, limestone mining, and vehicles. Possibly threatened by non-native plants and illegal dumping.
Taxonomy:
Other:

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					54
A	B	C	D	X	U
0	7	1	0	0	46

Occurrence Status:
Historical >20 Years	17
Recent <=20 Years	37

Presence:
Presumed Extant	54
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
San Bernardino (SBD)

Quads: Name (Quad Code)
Apple Valley South (3411742), Big Bear City (3411637), Butler Peak (3411731), Fawnskin (3411638), Lake Arrowhead (3411732), Moonridge (3411627), Onyx Peak (3411626), Rattlesnake Canyon (3411636)

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

Print this Map

Counties Quads

CNPS Rare Plant Inventory