CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record arabis_rigidissima_var._demota - Mon, Nov. 29, 2021 07:24 ET c
Arabis rigidissima var. demota
common nameGalena Creek rockcress
CalPhotos image
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life formperennial 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
G3T3Q      ranking system key
Where did the "RED" code go?
CA state listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (3):
South Lake Tahoe (522B) 3811988, Tahoe City (538B) 3912022, Martis Peak (554D) 3912031
quad data info

Counties, states, regions:
El Dorado (ELD), Placer (PLA), Nevada (NV)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Broadleafed upland forest (BUFrs)
•Upper montane coniferous forest (UCFrs)/rocky
blooming period Jul-Aug  
elevation range2255 - 2560 meters
Threatened by logging and fuel reduction projects. On watch list in NV. Not in TJM (1993) and TJM 2. See Journal of the Arnold Arboretum 64:498 (1983) for original description, and Novon 13(4):381-391 (2003) for revised nomenclature.
full nameArabis rigidissima Rollins var. demota Rollins
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  ARRID Element Code  PDBRA061R1
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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