Species Details

Heuchera rubescens var. versicolor

San Diego County alumroot

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Photo of Heuchera rubescens var. versicolor

Classification

Scientific Name: Heuchera rubescens Torr. var. versicolor (Greene) M.G. Stewart
Common Name: San Diego County alumroot
Family:	Saxifragaceae
Element Code:	PDSAX0E106
USDA Plants Symbol:	HERUV
Synonyms/Other Names: Heuchera leptomeria Greene var. peninsularis Rosend., Butt. & Lak.

Conservation Status

CA Rare Plant Rank:	3.3
Fed List:	None
State List:	None
Global Rank:	G5T4
State Rank:	S2
Other Status:
CRPR Changes: changed from 2.3 to 3.3 on 2013-03-15
Add Date:	1974-01-01
Date Edited:	2022-01-05

Ecology and Life History

Lifeform: perennial rhizomatous herb

Blooming Period: May-Jun

Elevation:
1500 - 4000 meters
4920 - 13125 feet

General Habitats:

Chaparral
Lower montane coniferous forest

Microhabitat Details:

Microhabitat:

Rocky

Notes

Notes: Previously on List 2.3. Difficult to differentiate from typical H. rubescens based on habitat, elevation, and geography; needs further study. A synonym of H. rubescens in TJM 2. See Leaflets of Botanical Observation and Criticism 1:112 (1905) for original description, and Bulletin of the Southern California Academy of Sciences 33(1):47 (1934) for taxonomic treatment.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	0
	Total EOs	% of EOs
EOs with Threat Listed:	0	%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					6
A	B	C	D	X	U
0	0	0	0	0	6

Occurrence Status:
Historical >20 Years	6
Recent <=20 Years	0

Presence:
Presumed Extant	6
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
Arizona (AZ), Baja California (BA), California (CA), Colorado (CO), New Mexico (NM), Texas (TX), Utah (UT)

California Counties and Islands: Name (Code)
San Diego (SDG)

Quads: Name (Quad Code)
Cuyamaca Peak (3211685), Hot Springs Mtn. (3311635), Palomar Observatory (3311637)

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

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CNPS Rare Plant Inventory