Species Details

Rorippa subumbellata

Tahoe yellow cress

  Download Report   Calflora     CCH     CalPhotos
No Photo Available
Scientific Name:
Rorippa subumbellata Roll.
Common Name:
Tahoe yellow cress
Family: Brassicaceae
Element Code: PDBRA270M0
USDA Plants Symbol: ROSU2
Synonyms/Other Names:
CA Rare Plant Rank: 1B.1
Fed List: None
State List: CE (1982-04-01)
Global Rank: G1
State Rank:
S1
Other Status: SB_BerrySB; SB_CalBG/RSABG; USFS_S
CRPR Changes:
Add Date: 1974-01-01
Date Edited: 2021-05-26
Lifeform: perennial rhizomatous herb
Blooming Period: May-Sep
Elevation:
1890 - 1905 meters
6200 - 6250 feet
General Habitat:
  • Lower montane coniferous forest
  • Meadows and seeps
General Micro Habitat: decomposed granitic beaches
Micro Habitat:
Notes:
Known in CA only from Lake Tahoe; many historical occurrences extirpated. Seriously threatened by development, recreation, foot traffic, and inundation; recovery work underway. State-listed as Critically Endangered in NV. Previously a candidate for federal listing. See Contributions from the Dudley Herbarium 3:177 (1941) for original description.
Threats:
Taxonomy:
Other:
References:
Total Occurrences: 33
Element Occurrence Ranks:
A B C D X U
0 7 5 0 3 18
Occurrence Status:
Historical >20 Years 4
Recent <=20 Years 29
Presence:
Presumed Extant 30
Possibly Extirpated 2
Presumed Extirpated 1
California Endemic:
California Island:
States: Name (Code)
California (CA), Nevada (NV)
California Counties and Islands: Name (Code)
El Dorado (ELD), Nevada (NEV)*, Placer (PLA)
Quads: Name (Quad Code)
Emerald Bay (3812081), Homewood (3912012), Kings Beach (3912021)*, Meeks Bay (3912011), South Lake Tahoe (3811988), Tahoe City (3912022), Truckee (3912032)*
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