Taxon Details

Camissonia lacustris

grassland suncup

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Taxon Summary:

Camissonia lacustris, commonly known as grassland suncup, is a annual herb in the Onagraceae that is . It occurs within Chaparral, Cismontane woodland, Lower montane coniferous forest, and Valley and foothill grassland, growing at elevations from 180 to 1220 meters. Camissonia lacustris is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.

Classification

Scientific Name: Camissonia lacustris P. H. Raven
Common Name: grassland suncup
Family:	Onagraceae
Element Code:	PDONA030W0
USDA Plants Symbol:	CALA39
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G2
State Rank:	S2
Other Status:
CRPR Changes:
Add Date:	2022-09-19
Date Edited:	2023-02-07

Ecology and Life History

Lifeform: annual herb

Blooming Period: Mar-Jun

Elevation:
180 - 1220 meters
590 - 4005 feet

General Habitats:

Chaparral
Cismontane woodland
Lower montane coniferous forest
Valley and foothill grassland

Microhabitat Details:

Microhabitat:

Granitic
Gravelly
Serpentine

Notes

Notes:
Threats: Threatened by urbanization, development, agriculture, and non-native plants
Taxonomy: Sierran plants may be C. sierrae subsp. sierrae, making C. lacustris endemic to LAK Co.

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	4
	Total EOs	% of EOs
EOs with Threat Listed:	3	21 %
Development	2	14%
Non-native plant impacts	2	14%
Road/trail construction/maint.	1	7%
Dam/Inundation	1	7%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					14
A	B	C	D	X	U
0	0	0	0	1	13

Occurrence Status:
Historical >20 Years	9
Recent <=20 Years	5

Presence:
Presumed Extant	13
Possibly Extirpated	0
Presumed Extirpated	1

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
El Dorado (ELD), Fresno (FRE), Lake (LAK), Mariposa (MPA), Tuolumne (TUO)

Quads: Name (Quad Code)
Camino (3812066), Columbia Se (3812013), Half Dome (3711965), Kelseyville (3812287), Lakeport (3912218), Merced Peak (3711964), Pine Flat Dam (3611973), Standard (3712083), Stumpfield Mtn. (3711947), Tuolumne (3712082), Wawona (3711956)

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

Original Description:	Contributions from the United States National Herbarium 37: 329–332
Taxonomic Treatment:	Contributions from the United States National Herbarium 37: 161–396

CNPS Rare Plant Inventory