CNPS

CNPS Rare Plant Inventory



Taxon Details

Sedum sanhedrinum

Sanhedrin Mountain stonecrop

  View Report   Copy Link Calflora eFlora CCH CalPhotos iNaturalist
Photo of Sedum sanhedrinum
© 2014 Carex Working Group 		Photo of Sedum sanhedrinum
©2018 Julie Kierstead Nelson 		Photo of Sedum sanhedrinum
©2018 Julie Kierstead Nelson

Taxon Summary:

Sedum sanhedrinum, commonly known as Sanhedrin Mountain stonecrop, is a perennial herb in the Crassulaceae that is . It occurs within Chaparral, Lower montane coniferous forest, and Upper montane coniferous forest, growing at elevations from 1415 to 2285 meters. Sedum sanhedrinum is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.

  Classification

Scientific Name:
Sedum sanhedrinum Berger
Common Name:
Sanhedrin Mountain stonecrop
Family: Crassulaceae
Element Code: PDCRA0A260
USDA Plants Symbol:
Synonyms/Other Names:
Name Status: JEF, FNA, POWO,
IPNI, Tropicos

  Conservation Status

CA Rare Plant Rank: 1B.2
Fed List: None
State List: None
Global Rank: G2G3
State Rank:
 S2S3
Other Status:
CRPR Changes:
added to 1B.2 on 2021-05-14
Add Date: 2021-05-14
Date Edited: 2023-04-04

  Ecology and Life History

Lifeform: perennial herb
Blooming Period: May-Jul
JFMAMJJASOND
Elevation:
1415 - 2285 meters
4645 - 7495 feet
General Habitats:
  • Chaparral
  • Lower montane coniferous forest
  • Upper montane coniferous forest
Microhabitat Details:
Microhabitat:
  • Gabbroic
  • Metamorphic
  • Openings
  • Rock crevices
  • Rocky
  • Serpentine
  • Talus

  Notes

Notes:

Possibly threatened by fire. Previously included in Sedum obtusatum subsp. retusum. See Phytotaxa 368: 1–61 (2018) for taxonomy.
Threats:
Taxonomy:

  Threat List Data from the CNDDB

Threat List Total: 0
Total EOs % of EOs
EOs with Threat Listed: 0 %
THREAT LIST:

 

  Occurrence Data from the CNDDB

Total Occurrences: 21
Element Occurrence Ranks:
A B C D X U
0 0 0 0 0 21
Occurrence Status:
Historical >20 Years 11
Recent <=20 Years 10
Presence:
Presumed Extant 21
Possibly Extirpated 0
Presumed Extirpated 0

  Location

California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Colusa (COL), Lake (LAK), Mendocino (MEN), Tehama (TEH), Trinity (TRI)
Quads: Name (Quad Code)
Buck Rock (3912288), Crockett Peak (3912247), Fouts Springs (3912236), Hull Mountain (3912258), Mendocino Pass (3912278), Newhouse Ridge (3912371), North Yolla Bolly (4012228), Plaskett Ridge (3912268), Raglin Ridge (4012216), Sanhedrin Mtn. (3912351), South Yolla Bolly (4012217), Tomhead Mtn. (4012227)
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

CNPS Status Review: CRPR List Addition on 2021-05-14
Other: USFS Potential Species of Conservation Concern Profile

Go to top


Suggested Citation:
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 26 January 2025].
}