CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record rorippa_subumbellata - Mon, Nov. 29, 2021 06:16 ET c
Rorippa subumbellata
common nameTahoe yellow cress
CalPhotos image
more photos
James Morefield © 2000 James Morefield  Follow image link for photo data.
life form rhizomatous herb
CA Rare Plant Rank
List 1B.1
LIST 1B: Rare, threatened, or endangered in California and elsewhere.
     0.1: Seriously endangered in California
state rank
S1      ranking system key
global rank
G1     G1: Less than 6 occurrences OR less than 1,000 individuals OR less than 2,000 acres.
Where did the "RED" code go?
CA state listingEndangered  04/82
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (7):
South Lake Tahoe (522B) 3811988, Emerald Bay (523A) 3812081, Kings Beach (538A)* 3912021, Tahoe City (538B) 3912022, Homewood (538C) 3912012, Meeks Bay (538D) 3912011, Truckee (554C)* 3912032
quad data info

Counties, states, regions:
El Dorado (ELD), Nevada (NEV)*, Placer (PLA), Nevada (NV)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Lower montane coniferous forest (LCFrs)
•Meadows and seeps (Medws)/decomposed granitic beaches
blooming period May-Sep  
elevation range1890 - 1905 meters
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.
full nameRorippa subumbellata Roll.
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  ROSU2 Element Code  PDBRA270M0
CalFlora species this taxon    CalFlora genus related taxa
Jepson Online Jepson Interchange  Jepson Manual and other resources
Google search
search Google CNPS website    search Google entire web

Suggested citation: California Native Plant Society (CNPS). 2018. Inventory of Rare and Endangered Plants (online edition, v7-18mar). California Native Plant Society. Sacramento, CA. Accessed on Mon, Nov. 29, 2021 from

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