Taxon Details

Camissonia sierrae ssp. sierrae

Yosemite evening-primrose

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Taxon Summary:

Camissonia sierrae ssp. sierrae, commonly known as Yosemite evening-primrose, is a annual herb in the Onagraceae that is found only in California. It occurs within Cismontane woodland, and Lower montane coniferous forest, growing at elevations from 500 to 1645 meters. Camissonia sierrae ssp. sierrae is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.

Classification

Scientific Name: Camissonia sierrae Raven ssp. sierrae
Common Name: Yosemite evening-primrose
Family:	Onagraceae
Element Code:	PDONA031H2
USDA Plants Symbol:	CASIS2
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	4.3
Fed List:	None
State List:	None
Global Rank:	G3T3
State Rank:	S3
Other Status:
CRPR Changes:
Add Date:	2001-01-01
Date Edited:	2021-05-26

Ecology and Life History

Lifeform: annual herb

Blooming Period: Apr-Jun

Elevation:
500 - 1645 meters
1640 - 5395 feet

General Habitats:

Cismontane woodland
Lower montane coniferous forest

Microhabitat Details:

Microhabitat:

Notes

Notes: Can be locally abundant. Distinction from ssp. alticola needs further study. See Contributions from the U.S. National Herbarium 37(5):326 (1969) for original description.
Threats:
Taxonomy:

Threat List Data from the CNDDB

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

Occurrence Data from the CNDDB

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

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

Presence:
Presumed Extant	0
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Fresno (FRE), Madera (MAD), Mariposa (MPA), Tuolumne (TUO)

Quads: Name (Quad Code)
Ahwahnee (3711936), Bass Lake (3711935), Cascadel Point (3711924), Half Dome (3711965), Lake Eleanor (3711987), Mammoth Pool Dam (3711933), Musick Mtn. (3711923)

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