Species Details

Draba asterophora var. asterophora

Tahoe draba

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Scientific Name:
Draba asterophora Pays. var. asterophora
Common Name:
Tahoe draba
Family: Brassicaceae
Element Code: PDBRA110D1
USDA Plants Symbol: DRASA2
Synonyms/Other Names:
CA Rare Plant Rank: 1B.2
Fed List: None
State List: None
Global Rank: G2T2?
State Rank:
S2?
Other Status: USFS_S
CRPR Changes:
changed from 1B.3 to 1B.2 on 2013-03-07
Add Date: 1974-01-01
Date Edited: 2021-05-26
Lifeform: perennial herb
Blooming Period: Jul-Aug(Sep)
JFMAMJJASOND
Elevation:
2500 - 3505 meters
8205 - 11500 feet
General Habitats:
  • Alpine boulder and rock field
  • Subalpine coniferous forest
Microhabitat Details:
Microhabitat:
Notes:
Threatened by development and recreational activities. On watch list in NV. Possibly distinct from NV plants; needs further study. A synonym of D. asterophora in TJM 2. See American Journal of Botany 4:263 (1917) for original description.
Threats:
Taxonomy:
Threat List Total: 8
Total EOs % of EOs
EOs with Threat Listed: 4 36 %
THREAT LIST:
Recreational use (non-ORV) 4 36%
Road/trail construction/maint. 2 18%
ORV activity 2 18%
Other 2 18%
Pollution 1 9%
Total Occurrences: 11
Element Occurrence Ranks:
A B C D X U
1 6 0 0 0 4
Occurrence Status:
Historical >20 Years 4
Recent <=20 Years 7
Presence:
Presumed Extant 11
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA), Nevada (NV)
California Counties and Islands: Name (Code)
Alpine (ALP), El Dorado (ELD), Mono (MNO), Tuolumne (TUO)
Quads: Name (Quad Code)
Caples Lake (3812061), Carson Pass (3811968), Disaster Peak (3811946), Freel Peak (3811978), Koip Peak (3711972), Lost Cannon Peak (3811945), Mount Dana (3711982), South Lake Tahoe (3811988), Woodfords (3811977)
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.
Presumed Extant
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