Species Details

Sedum marmorense

Marble Mountains stonecrop

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Photo by ©2016 Dana York  max-height:128px; max-width:145px;
©2016 Dana York
Photo by © 2016 Dana York  max-height:128px; max-width:145px;
© 2016 Dana York
Scientific Name:
Sedum marmorense Otting & R. E. Brainerd
Common Name:
Marble Mountains stonecrop
Family: Crassulaceae
Element Code: PDCRA0A230
USDA Plants Symbol:
Synonyms/Other Names:
CA Rare Plant Rank: 1B.2
Fed List: None
State List: None
Global Rank: G1G2
State Rank:
S1S2
Other Status:
CRPR Changes:
added to 1B.2 on 2021-05-14
Add Date: 2021-05-14
Date Edited: 2021-08-25
Lifeform: perennial herb
Blooming Period: Jul-Aug
Elevation:
1875 - 2345 meters
6150 - 7695 feet
General Habitat:
  • Subalpine coniferous forest
  • Upper montane coniferous forest
General Micro Habitat:
Micro Habitat:
  • Openings
  • Rock crevices
  • Rocky
  • Talus
Notes:

Possibly threatened by horticultural collecting. Previously identified as S. obtusatum ssp. boreale, in part. Similar to S. oregonense; differs in having dense rosettes and waxy granules on calyxes and inflorescence branches vs. looser rosettes and lacking waxy granules in S. oregonense. See Phytotaxa 368: 1–61 (2018) for original description.

Threats:
Taxonomy:
Other:
References:
Total Occurrences: 6
Element Occurrence Ranks:
A B C D X U
1 1 0 0 0 4
Occurrence Status:
Historical >20 Years 1
Recent <=20 Years 5
Presence:
Presumed Extant 6
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Siskiyou (SIS)
Quads: Name (Quad Code)
Boulder Peak (4112351), Grider Valley (4112362), Marble Mountain (4112352), Scott Bar (4112361), Seiad Valley (4112372)
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.

Map

Presumed Extant
Counties   Quads