Taxon Report

Lathyrus rigidus White

rigid pea

Print Report

© 2008 Christopher L. Christie

Classification


Scientific Name:	Lathyrus rigidus White
Common Name:	rigid pea
Family:	Fabaceae
Element Code:	PDFAB250W0
USDA Plants Symbol:	LARI
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: Apr-Jul	Apr-Jul
Elevation:	800-1750 (2625-5740)
General Habitats:	Great Basin scrub, Pinyon and juniper woodland
Microhabitat:	Disturbed areas (often)
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	2B.2
Global Rank:	G5
State Rank:	S2
State List:	None
Fed List:	None
Other Status:
CRPR Changes:	changed from 2.2 to 2B.2 on 2013-06-12

Occurrence Data from the CNDDB


Total Occurrences:	10
Element Occurrence Ranks:
Excellent (A)	1
Good (B)	4
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	5

Location


California Endemic: False
California Counties and Islands: Name (Code)
Lassen (LAS), Modoc (MOD)
Quads: Name (Quad Code)
Davis Creek (4112063), Eagle Peak (4112032), Fort Bidwell (4112072), Lauer Reservoir (4112064), Payne Peak (4112053), Snake Lake (4112021), Sugar Hill (4112073), Surprise (4112054), West of Willow Ranch (4112084), Willow Ranch (4112083)

Threat List Data from the CNDDB


Threat List Total:	2
EOs with Threat Listed:	Total EOs	% of EOs
	2	20 %
Grazing	1	10%
Other	1	10%

Notes



Threatened by grazing. See Bulletin of the Torrey Botanical Club 21:455 (1894) for original description.
Threats:

Taxonomy:

Selected References

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 5 January 2025].