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Taxon  Report  
Rorippa subumbellata  Rollins
Lake tahoe yellowcress,   Tahoe yellow cress
Rorippa subumbellata is a perennial herb (rhizomatous) that is native to California, and also found in Nevada.
California Rare Plant Rank: 1B.1 (rare, threatened, or endangered in CA and elsewhere).
State of California status: Endangered.
Siskiyou Del Norte Modoc Humboldt Shasta Lassen Trinity Plumas Tehama Butte Mendocino Glenn Sierra Yuba Lake Nevada Colusa Placer Sutter El Dorado Yolo Alpine Napa Sonoma Sacramento Mono Amador Solano Calaveras Tuolumne San Joaquin Marin Contra Costa Alameda Santa Cruz Mariposa Madera San Francisco San Mateo Merced Fresno Stanislaus Santa Clara Inyo San Benito Tulare Kings Monterey San Bernardino San Luis Obispo Kern Santa Barbara Ventura Los Angeles Riverside Orange San Diego Imperial
Observation Search
(38 records)
yellowone or more occurrences
within a 7.5-minute quadrangle
bloom graphic
Bloom Period
Genus: Rorippa
Family: Brassicaceae  
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot

Wetlands: Occurs in wetlands

Habitat: meadows

Communities: Yellow Pine Forest, wetland-riparian

Name Status:
Accepted by JEF + CNPS + PLANTS
Information about  Rorippa subumbellata from other sources
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora

USDA PLANTS Profile (ROSU2)

Photos on Calflora

Photos on CalPhotos

Google Images

Photos on iNaturalist

ID Tips on PlantID.net

Tahoe Yellow Cress .org: As recently as 1996, this unique member of the mustard family teetered on the brink of extinction when it disappeared from beaches in Nevada and was found growing in less than 10 sites on the California side of the lake.

Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria. [web application]. 2023. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 02/05/2023).