Species Details

Lewisia disepala

Yosemite lewisia

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2018 Joanna Clines

Classification

Scientific Name: Lewisia disepala Rydb.
Common Name: Yosemite lewisia
Family:	Montiaceae
Element Code:	PDPOR04060
USDA Plants Symbol:	LEDI3
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G2
State Rank:	S2
Other Status:	BLM_S; USFS_S
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2022-02-01

Ecology and Life History

Lifeform: perennial herb

Blooming Period: Mar-Jun

Elevation:
1035 - 3500 meters
3395 - 11485 feet

General Habitats:

Lower montane coniferous forest
Pinyon and juniper woodland
Upper montane coniferous forest

Microhabitat Details:

Microhabitat:

Granitic
Sandy

Notes

Notes: Threatened by vehicles, foot traffic, and logging. See North American Flora 21:328 (1932) for original description, and Madroño 37(1):63 (1990) for first KRN Co. record.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	8
	Total EOs	% of EOs
EOs with Threat Listed:	10	45 %
Foot traffic/trampling	4	18%
ORV activity	4	18%
Recreational use (non-ORV)	3	13%
Road/trail construction/maint.	2	9%
Vandalism/dumping/litter	1	4%
Development	1	4%
Other	1	4%
Logging	1	4%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					22
A	B	C	D	X	U
7	1	4	0	0	10

Occurrence Status:
Historical >20 Years	22
Recent <=20 Years	0

Presence:
Presumed Extant	22
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Fresno (FRE), Kern (KRN), Madera (MAD), Mariposa (MPA), Tulare (TUL)

Quads: Name (Quad Code)
Balloon Dome (3711942), Cannell Peak (3511873), El Capitan (3711966), Half Dome (3711965), Hockett Peak (3611824), Lamont Peak (3511871), Mammoth Pool Dam (3711933), Merced Peak (3711964), Sentinel Peak (3611815), Shaver Lake (3711913), Sirretta Peak (3511883), Squaw Dome (3711943), Tenaya Lake (3711974), Walker Pass (3511861), White Dome (3511872), Yosemite Falls (3711975)

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