Species Details

Rorippa columbiae

Columbia yellow cress

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Photo of Rorippa columbiae
©2013 Justy Leppert
Photo of Rorippa columbiae
©2005 Dean Wm. Taylor
Photo of Rorippa columbiae
©2005 Dean Wm. Taylor
Scientific Name:
Rorippa columbiae (Robinson) Howell
Common Name:
Columbia yellow cress
Family: Brassicaceae
Element Code: PDBRA27060
USDA Plants Symbol: ROCO3
Synonyms/Other Names:
Lifeform: perennial rhizomatous herb
Blooming Period: May-Sep
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Elevation:
1200 - 1800 meters
3935 - 5905 feet
General Habitats:
  • Lower montane coniferous forest
  • Meadows and seeps
  • Playas
  • Vernal pools
Microhabitat Details:
Microhabitat:
  • Mesic
Notes:
Threats:
Threatened by grazing and trampling. Candidate for state listing in OR, and state-listed as Threatened in WA.
Taxonomy:
Threat List Total: 11
Total EOs % of EOs
EOs with Threat Listed: 17 65 %
THREAT LIST:
Grazing 13 50%
Foot traffic/trampling 9 34%
ORV activity 6 23%
Road/trail construction/maint. 5 19%
Non-native plant impacts 3 11%
Total Occurrences: 26
Element Occurrence Ranks:
A B C D X U
1 2 3 3 0 17
Occurrence Status:
Historical >20 Years 13
Recent <=20 Years 13
Presence:
Presumed Extant 26
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA), Oregon (OR), Washington (WA)
California Counties and Islands: Name (Code)
Humboldt (HUM), Lassen (LAS), Modoc (MOD), Siskiyou (SIS)
Quads: Name (Quad Code)
Big Sage Reservoir (4112056), Boles Meadows East (4112067), Bray (4112168), Captain Jacks Stronghold (4112175), Double Head Mtn. (4112172), Hambone (4112136), Horse Peak (4112147), Jacks Butte (4112057), MacDoel (4112271), Mahogany Ridge (4112055), Medicine Lake (4112155), Newell (4112183), Orleans (4112335), Pine Creek Valley (4012151), Pinnacle Lake (4112171), Rimrock Lake (4112162), Sagebrush Butte (4112181), The Panhandle (4112174), Tulelake (4112184)
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.
Presumed Extant
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