Taxon Report

Claytonia obovata Rydberg

Rydberg's spring beauty

Print Report

Taxon Summary

Claytonia obovata, commonly known as Rydberg's spring beauty, is a perennial herb in the Montiaceae that is found in California and elsewhere. It occurs within Subalpine coniferous forest, growing at elevations from 1385 to 2835 meters. Claytonia obovata is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.

Classification


Scientific Name:	Claytonia obovata Rydberg
Common Name:	Rydberg's spring beauty
Family:	Montiaceae
Element Code:	PDPOR03150
USDA Plants Symbol:
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: (Mar-Apr)May-Jun(Jul)	(Mar-Apr)May-Jun(Jul)
Elevation:	1385-2835 (4545-9300)
General Habitats:	Subalpine coniferous forest
Microhabitat:	Openings (usually), Rocky, Talus
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	4.3
Global Rank:	G4
State Rank:	S3
State List:	None
Fed List:	None
Other Status:
CRPR Changes:	added to 4.3 on 2020-03-03

Occurrence Data from the CNDDB


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

Location


California Endemic: False
California Counties and Islands: Name (Code)
Humboldt (HUM), Lake (LAK), Mendocino (MEN), Siskiyou (SIS), Tehama (TEH), Trinity (TRI), Tuolumne (TUO)
Quads: Name (Quad Code)
Cecil Lake (4112312), Hull Mountain (3912258), Leech Lake Mtn. (3912381), Mendocino Pass (3912278), Mount Eddy (4112234), Mumbo Basin (4112225), Salmon Mtn. (4112324), Scott Mountain (4112236), South China Mtn. (4112235), Strawberry (3812021), Tangle Blue Lake (4112226), Weed (4112244), Yreka (4112266)

Threat List Data from the CNDDB


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

Notes



See North American Flora 21(4):299 (1932) for original description, and Systematic Botany 42(2):283-300 (2017) for taxonomic treatment.
Threats:

Taxonomy:

Selected References

CRPR List Addition on 2020-03-03

USFS Potential Species of Conservation Concern Profile

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 27 January 2025].