Taxon Report

Sedum oblanceolatum Clausen

Applegate stonecrop

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Taxon Summary

Sedum oblanceolatum, commonly known as Applegate stonecrop, is a perennial herb in the Crassulaceae that is found in California and elsewhere. It occurs within Upper montane coniferous forest, growing at elevations from 400 to 2000 meters. Sedum oblanceolatum is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.

Classification


Scientific Name:	Sedum oblanceolatum Clausen
Common Name:	Applegate stonecrop
Family:	Crassulaceae
Element Code:	PDCRA0A0T0
USDA Plants Symbol:	SEOB3
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: Jun-Jul	Jun-Jul
Elevation:	400-2000 (1310-6560)
General Habitats:	Upper montane coniferous forest
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.1
Global Rank:	G3
State Rank:	S1
State List:	None
Fed List:	None
Other Status:	SB_BerrySB
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	10
Element Occurrence Ranks:
Excellent (A)	1
Good (B)	3
Fair (C)	3
Poor (D)	0
None (X)	0
Unknown (U)	3

Location


California Endemic: False
California Counties and Islands: Name (Code)
Siskiyou (SIS)
Quads: Name (Quad Code)
Dutchman Peak (4212218), Condrey Mtn. (4112288), Dutch Creek (4112381), Kangaroo Mtn. (4112382)

Threat List Data from the CNDDB


Threat List Total:	4
EOs with Threat Listed:	Total EOs	% of EOs
	9	90 %
Logging	6	60%
Road/trail construction/maint.	4	40%
Over-collecting/poaching	2	20%
Mining	1	10%

Notes




Threats:
Threatened by logging and horticultural collecting.
Taxonomy:

Selected References

Sedum oblanceolatum profile for potential Species of Conservation Concern evaluation (2022)

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 12 November 2025].