CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record nasturtium_gambelii - Wed, Dec. 8, 2021, 11:00 ET b
Nasturtium gambelii
common nameGambel's water cress
CalPhotos image
more photos
© 1984 CNPS  Follow image link for photo data, and for images listed as "Rorippa gambellii".
Link to images listed as "Nasturtium gambelii"
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.
CA state listingThreatened  01/90
federal listingEndangered  08/03/93
where found
MAPS - Use v8 link below.

Topographic quads (8):
Tustin (071A) 3311767, Newport Beach (071B) 3311768, San Bernardino South (107D)* 3411713, Hollywood (111D) 3411813, Santa Barbara (142B) 3411946, Orcutt (195C) 3412074, Casmalia (196D) 3412075, Oceano (221D) 3512015
quad data info

Counties, states, regions:
Los Angeles (LAX), Orange (ORA), Santa Barbara (SBA), San Bernardino (SBD)*, San Diego (SDG), San Luis Obispo (SLO), Baja California (BA)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Marshes and swamps (MshSw)(freshwater or brackish)
blooming period Apr-Oct  
elevation range5 - 330 meters
Nearly extinct in U.S.; known in CA from only four occurrences. The historical report from SDG Co. likely constitutes a misidentification. Black Lake Cyn. and Little Oso Flaco Lake populations not seen in 1998, possibly extirpated (Information in the preceding sentences may need to be altered pending verification of the known occurrences of this taxon). Seriously threatened by habitat loss, erosion, and Eucalyptus that may be altering hydrology at Black Lake Cyn. Recovery plan prepared by USFWS in 1994. See Proceedings of the American Academy of Arts and Sciences 11:147 (1876) for original description, and Novon 8(2): 124-126 (1998) for revised nomenclature.
full nameNasturtium gambelii (S. Watson) O.E. Schulz
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym   Element Code  PDBRA270V0
Jepson Online Jepson Interchange  Jepson Manual and other resources
Google search
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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 Wed, Dec. 8, 2021 from

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