Rorippa subumbellata
Common Name: Tahoe yellow cress
Family: Brassicaceae
Element Code: PDBRA270M0
Full Name: Rorippa subumbellata Roll.

2005 Steve Matson
Biology Glossary
  • Lifeform: perennial rhizomatous herb
  • Blooming Period: May - September
  • Habitat: decomposed granitic beaches.
    • Lower montane coniferous forest
    • Meadows and seeps
Rarity Status Glossary
Occurrence Data from DFG
California Natural Diversity Database Glossary
  • Total # of Known Element Occurrences: 28
  • Element Occurrence Ranks:
    A B C D X U
    0 6 4 0 3 15
  • Population Status:
    >20 yrs
    <=20 yrs
    5 23
  • Presence:
    Present Extant Possibly Extirpated Extirpated
    25 2 1
Notes Glossary
  • 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.
  • To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page.
  • Date Added: 1974-01-01
  • Last Update: 2016-09-02
Location Glossary
  • Elevation: 1890 - 1905 meters
  • California Endemic: no
  • States: California, Nevada
  • California Counties and Islands:   name (code)
    El Dorado (ELD),  Nevada (NEV) *,  Placer (PLA)
  • Quads:   name (DWR code) USGS code
    South Lake Tahoe (522B) 38119H8,  Emerald Bay (523A) 38120H1,  Kings Beach (538A)* 39120B1,  Tahoe City (538B) 39120B2,  Homewood (538C) 39120A2,  Meeks Bay (538D) 39120A1,  Truckee (554C)* 39120C2
  • Notes:
      Definitions of codes preceding a county and/or quad:
      * Presumed extirpated
      ? Uncertain about distribution or identity
      ?* Uncertain about distribution, but presumed extirpated if once present
      (?) Occurrence confirmed, but possibly extirpated
      Species may be present in other areas where conditions are favorable.
Presumed Extant Presumed Extirpated or Unknown 1433
Links to Leading Resources of Taxon Information
Suggested Citation
CNPS, Rare Plant Program. . Inventory of Rare and Endangered Plants (online edition, v8-02). California Native Plant Society, Sacramento, CA. Website [accessed ].

38119H8=South Lake Tahoe (522B) 38119H8;38120H1=Emerald Bay (523A) 38120H1;39120B1=Kings Beach (538A)* 39120B1;39120B2=Tahoe City (538B) 39120B2;39120A2=Homewood (538C) 39120A2;39120A1=Meeks Bay (538D) 39120A1;39120C2=Truckee (554C)* 39120C2