Taxon Report

Clarkia lingulata Lewis & Lewis

Merced clarkia

Print Report

Classification


Scientific Name:	Clarkia lingulata Lewis & Lewis
Common Name:	Merced clarkia
Family:	Onagraceae
Element Code:	PDONA050P0
USDA Plants Symbol:	CLLI
Synonyms/Other Names:

Ecology and Life History


Lifeform:	annual herb
Blooming Period: May-Jun	May-Jun
Elevation:	400-455 (1310-1495)
General Habitats:	Chaparral, Cismontane woodland
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.1
Global Rank:	G1
State Rank:	S1
State List:	CE
Fed List:	None
Other Status:	SB_CalBG/RSABG; SB_UCBG; USFS_S
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	2
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	2
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	0

Location


California Endemic: True
California Counties and Islands: Name (Code)
Mariposa (MPA)
Quads: Name (Quad Code)
Kinsley (3711968)

Threat List Data from the CNDDB


Threat List Total:	5
EOs with Threat Listed:	Total EOs	% of EOs
	2	100 %
Biocides	2	100%
Erosion/runoff	2	100%
Non-native plant impacts	2	100%
Road/trail construction/maint.	2	100%
Grazing	1	50%

Notes



Known from only two occurrences along the Merced River. Largest occurrence damaged by herbicide spraying in 1984; also possibly threatened by road widening. Multiagency conservation agreement signed in 1994. See Madroño 12(2):35 (1953) for original description.
Threats:

Taxonomy:

Selected References

Citation California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 28 December 2024].