Taxon Report

Cymopterus multinervatus (J.M.Coult. & Rose) Tidestr.

purple-nerve cymopterus

Print Report

Classification


Scientific Name:	Cymopterus multinervatus (J.M.Coult. & Rose) Tidestr.
Common Name:	purple-nerve cymopterus
Family:	Apiaceae
Element Code:	PDAPI0U0Q0
USDA Plants Symbol:	CYMU2
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: Mar-Apr	Mar-Apr
Elevation:	790-1800 (2590-5905)
General Habitats:	Mojavean desert scrub, Pinyon and juniper woodland
Microhabitat:	Gravelly (sometimes), Sandy (sometimes)
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	2B.2
Global Rank:	G4G5
State Rank:	S2
State List:	None
Fed List:	None
Other Status:
CRPR Changes:	changed from 2.2 to 2B.2 on 2013-06-12 added to 2.2 on 2008-11-20

Occurrence Data from the CNDDB


Total Occurrences:	49
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	10
Fair (C)	5
Poor (D)	5
None (X)	0
Unknown (U)	29

Location


California Endemic: False
California Counties and Islands: Name (Code)
Inyo (INY), Riverside (RIV), San Bernardino (SBD)
Quads: Name (Quad Code)
Big Bear City (3411637), Calvada Springs (3511588), Camp Rock Mine (3411666), Castle Peaks (3511532), Cima Dome (3511535), Clark Mtn. (3511555), Cougar Buttes (3411647), Cow Cove (3511536), Crescent Peak (3511542), East of Kingston Spring (3511557), Emerson Lake (3411644), Fawnskin (3411638), Fifteenmile Valley (3411741), Grand View Mine (3411657), Grotto Hills (3511522), Hart Peak (3511531), Hayden (3511515), Hector (3411674), Indian Cove (3411612), Iron Ridge (3411655), Landers (3411634), Lucerne Valley (3411648), Melville Lake (3411645), Mescal Range (3511545), Mid Hills (3511524), Nopah Peak (3611611), Pachalka Spring (3511556), Pinto Valley (3511523), Salsberry Peak (3511684), Signal Hill (3511511), Silver Bell Mine (3411665), Sunshine Peak (3411664), Troy Lake (3411675), Valley Wells (3511546)

Threat List Data from the CNDDB


Threat List Total:	8
EOs with Threat Listed:	Total EOs	% of EOs
	22	45 %
ORV activity	16	32%
Military operations	6	12%
Grazing	3	6%
Development	2	4%
Non-native plant impacts	2	4%
Other	1	2%
Road/trail construction/maint.	1	2%
Mining	1	2%

Notes



Threatened by vehicles. Possibly threatened by solar energy development and non-native plants.
Threats:

Taxonomy:

Selected References

CRPR List Addition on 2008-11-20

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 8 January 2025].