Taxon Report

Dudleya cymosa (Lem.) Britton & Rose ssp. costatifolia Bartel & Shevock

Pierpoint Springs dudleya

Print Report

Classification


Scientific Name:	Dudleya cymosa (Lem.) Britton & Rose ssp. costatifolia Bartel & Shevock
Common Name:	Pierpoint Springs dudleya
Family:	Crassulaceae
Element Code:	PDCRA040A2
USDA Plants Symbol:
Synonyms/Other Names:	Dudleya cymosa ssp. costafolia

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: May-Jul	May-Jul
Elevation:	1435-1600 (4710-5250)
General Habitats:	Chaparral, Cismontane woodland
Microhabitat:	Carbonate
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.2
Global Rank:	G4T1
State Rank:	S1
State List:	None
Fed List:	None
Other Status:	USFS_S
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	2
Element Occurrence Ranks:
Excellent (A)	1
Good (B)	0
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	1

Location


California Endemic: True
California Counties and Islands: Name (Code)
Tulare (TUL)
Quads: Name (Quad Code)
Camp Wishon (3611826), Case Mountain (3611847), Silver City (3611846)

Threat List Data from the CNDDB


Threat List Total:	1
EOs with Threat Listed:	Total EOs	% of EOs
	1	50 %
Over-collecting/poaching	1	50%

Notes



Known only from the Middle Fork of the Tule River. Threatened by potential limestone mining and horticultural collecting. See Aliso 12(4):701-704 (1990) 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 2 January 2025].