Taxon Report

Sedum eastwoodiae (Britton) A. Berger

Red Mountain stonecrop

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Taxon Summary

Sedum eastwoodiae, commonly known as Red Mountain stonecrop, is a perennial herb in the Crassulaceae that is found only in California. It occurs within Lower montane coniferous forest, growing at elevations from 600 to 1200 meters. Sedum eastwoodiae is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.

Classification


Scientific Name:	Sedum eastwoodiae (Britton) A. Berger
Common Name:	Red Mountain stonecrop
Family:	Crassulaceae
Element Code:	PDCRA0A0L1
USDA Plants Symbol:
Synonyms/Other Names:	Sedum laxum ssp. eastwoodiae

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: May-Jul	May-Jul
Elevation:	600-1200 (1970-3935)
General Habitats:	Lower montane coniferous forest
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.2
Global Rank:	G2
State Rank:	S2
State List:	None
Fed List:	None
Other Status:	BLM_S
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	6
Element Occurrence Ranks:
Excellent (A)	1
Good (B)	0
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	5

Location


California Endemic: True
California Counties and Islands: Name (Code)
Mendocino (MEN)
Quads: Name (Quad Code)
Noble Butte (3912386)

Threat List Data from the CNDDB


Threat List Total:	2
EOs with Threat Listed:	Total EOs	% of EOs
	3	50 %
Erosion/runoff	2	33%
Logging	1	16%

Notes



See Bulletin of the New York Botanical Garden 3:31 (1903) for original description, Sedum of North America North of the Mexican Plateau, p. 398-403 (1975) by R.T. Clausen for alternative nomenclature, and Phytotaxa 368: 1-61 (2018) for taxonomic treatment.
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 9 May 2025].