CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record rorippa_columbiae - Thu, Dec. 2, 2021, 17:26 ET b
Rorippa columbiae
common nameColumbia yellow cress
CalPhotos image
more photos
© 1987 Dean Wm. Taylor  Follow image link for photo data.
life form rhizomatous herb
CA Rare Plant Rank
List 1B.2
LIST 1B: Rare, threatened, or endangered in California and elsewhere.
     0.2: Fairly endangered in California
state rank
S1      ranking system key
global rank
G3     G3: 21-80 occurrences or 3,000-10,000 individuals OR 10,000-50,000 acres
Where did the "RED" code go?
CA state listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (19):
Pine Creek Valley (642D) 4012151, Hambone (696C) 4112136, Horse Peak (697A) 4112147, Orleans (704D) 4112335, Big Sage Reservoir (709C) 4112056, Mahogany Ridge (709D) 4112055, Jacks Butte (710D) 4112057, Rimrock Lake (711B) 4112162, Medicine Lake (713D) 4112155, Bray (714B) 4112168, Sagebrush Butte (728A) 4112181, Double Head Mountain (728C) 4112172, Pinnacle Lake (728D) 4112171, Newell (729A) 4112183, Tulelake (729B) 4112184, The Panhandle (729C) 4112174, Captain Jacks Stronghold (730D) 4112175, Panther Rock (732C) 4112272, Macdoel (732D) 4112271
quad data info

Counties, states, regions:
Humboldt (HUM), Lassen (LAS), Modoc (MOD), Siskiyou (SIS), Oregon (OR), Washington (WA)
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)
•Playas (Plyas)
•Vernal pools (VnPls)/mesic
blooming period May-Sep  
elevation range1200 - 1800 meters
Threatened by grazing and trampling. Candidate for state listing in OR, and state-listed as Threatened in WA. See Sida 4:294-296 (1972) for taxonomic treatment.
full nameRorippa columbiae (Robinson) Howell
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  ROCO3 Element Code  PDBRA27060
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 Thu, Dec. 2, 2021 from

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