Species Details

Sedum flavidum

pale yellow stonecrop

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Classification

Scientific Name: Sedum flavidum (Denton) B. L. Wilson & Zika
Common Name: pale yellow stonecrop
Family:	Crassulaceae
Element Code:	PDCRA0A0L2
USDA Plants Symbol:
Synonyms/Other Names: Sedum laxum (Britt.) Berger ssp. flavidum Denton

Conservation Status

CA Rare Plant Rank:	4.3
Fed List:	None
State List:	None
Global Rank:	G3
State Rank:	S3
Other Status:	SB_CalBG/RSABG
CRPR Changes:
Add Date:	1980-01-01
Date Edited:	2023-01-13

Ecology and Life History

Lifeform: perennial herb

Blooming Period: May-Jul

Elevation:
355 - 2155 meters
1165 - 7070 feet

General Habitats:

Broadleafed upland forest
Chaparral
Lower montane coniferous forest
Upper montane coniferous forest

Microhabitat Details:

Microhabitat:

Openings
Rocky
Serpentine
Talus
Volcanic

Notes

Notes: Possibly threatened by horticultural collecting. Southern populations in Glenn and Colusa counties need more study. See Phytotaxa 368: 1–61 (2018) for taxonomy.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	5
	Total EOs	% of EOs
EOs with Threat Listed:	20	30 %
Logging	10	14%
Road/trail construction/maint.	8	11%
Mining	5	7%
Other	1	1%
Grazing	1	1%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					67
A	B	C	D	X	U
5	9	2	0	0	51

Occurrence Status:
Historical >20 Years	67
Recent <=20 Years	0

Presence:
Presumed Extant	67
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Colusa (COL), Glenn (GLE), Humboldt (HUM), Tehama (TEH), Trinity (TRI)

Quads: Name (Quad Code)
Black Lassic (4012335), Black Rock Mtn. (4012321), Board Camp Mtn. (4012366), Chanchelulla Peak (4012248), Dinsmore (4012345), Dubakella Mtn. (4012342), Forest Glen (4012333), Four Corners Rock (4012312), Fouts Springs (3912236), Grouse Mtn. (4012376), Halfway Ridge (4012353), Hennessy Peak (4012375), Hyampom (4012354), Lord-ellis Summit (4012387), Mad River Buttes (4012367), Naufus Creek (4012343), North Yolla Bolly (4012228), Plaskett Meadows (3912267), Pony Buck Peak (4012331), Sims Mountain (4012365), Smoky Creek (4012332), St. John Mtn. (3912246), Swim Ridge (4012322), Wildwood (4012341), Willow Creek (4012386)

Notes:

Definitions of codes following a county and/or quad:
*		Presumed extirpated
(?)		Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.

Regional Map

Map

Presumed Extant

Click on quad for name. Hold Shift Key to use mouse scroll wheel

Selected References

Other:

USFS Potential Species of Conservation Concern Profile