Taxon Report

Lithophragma maximum Bacig.

San Clemente Island woodland star

Print Report

Classification


Scientific Name:	Lithophragma maximum Bacig.
Common Name:	San Clemente Island woodland star
Family:	Saxifragaceae
Element Code:	PDSAX0M070
USDA Plants Symbol:	LIMA6
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial rhizomatous herb
Blooming Period: Apr-Jun	Apr-Jun
Elevation:	120-400 (395-1310)
General Habitats:	Coastal bluff scrub, Coastal scrub
Microhabitat:	Rocky
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.1
Global Rank:	G1
State Rank:	S1
State List:	CE
Fed List:	FE
Other Status:	SB_CalBG/RSABG
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	6
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	0
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	6

Location


California Endemic: True
California Counties and Islands: Name (Code)
Los Angeles (LAX)
Quads: Name (Quad Code)
San Clemente Island Central (3211874)*, San Clemente Island South (3211873)

Threat List Data from the CNDDB


Threat List Total:	1
EOs with Threat Listed:	Total EOs	% of EOs
	1	17 %
Erosion/runoff	1	16%

Notes



Known from fewer than five occurrences, totaling approximately 200 individuals as of 1996. Threatened by erosion. Feral herbivores removed from SCM Isl., and vegetation recovering. See Aliso 5:349-350 (1963) 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].