CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18jan 1-22-18
Status: record bensoniella_oregona - Wed, Feb. 21, 2018 22:02 ET c
Bensoniella oregona
common namebensoniella
Inventory image more photos more photos
life formperennial 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
S2      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 listingRare  07/82
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (4):
Board Camp Mountain (652B) 4012366, Mad River Buttes (653A) 4012367, Denny (669B) 4012384, Maple Creek (671D) 4012377
quad data info

Counties, states, regions:
Humboldt (HUM), Oregon (OR)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Bogs and fens (BgFns)
•Lower montane coniferous forest (LCFrs)(openings)
•Meadows and seeps (Medws)/mesic
blooming period May-Jul  
elevation range915 - 1400 meters
Threatened by logging, grazing, and road maintenance. Possibly threatened by vehicles. Candidate for state listing in OR, where known from only a few occurrences. See Contributions from the Dudley Herbarium 1:95 (1929) for original description, and Leaflets of Western Botany 10:181 (1965) for revised nomenclature.
full nameBensoniella oregona (Abrams & Bacig.) Morton
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  BEOR Element Code  PDSAX02010
CNPS chapter link chapter content  North Coast database for this species
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, v7-18jan). California Native Plant Society. Sacramento, CA. Accessed on Wed, Feb. 21, 2018 from

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