CNPS Inventory Plant Detail

Bensoniella oregona

Common Name:	bensoniella
Family:	Saxifragaceae
Synonyms:
Element Code:	PDSAX02010
Full Name:	Bensoniella oregona (Abrams & Bacig.) Morton
USDA PLANTS Symbol:

Biology
Lifeform: perennial herb Blooming Period: May - July Habitat: mesic. • Bogs and fens • Lower montane coniferous forest (openings) • Meadows and seeps

Rarity Status
CA Rare Plant Rank: 1B.1 Rare, threatened, or endangered in California and elsewhere .1: Seriously endangered in California Federal Listing Status: Not Listed State Listing Status: CR Rare (07/82) State Rank: S2.2 S2: Imperiled. .2: Threatened. Global Rank: G3 G3: Vulnerable.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 9
Element Occurrence Ranks:

A B C D X U

1 3 0 0 0 5

Population Status:

Historic >20 yrs	Recent <=20 yrs
3	6

Presence:

Present Extant	Possibly Extirpated	Extirpated
9	0	0

Notes

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.
To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page.
Date Added: 1974-01-01
Last Update: 2012-05-17

Location

Elevation: 915 - 1400 meters

California Endemic: no

States: California, Oregon

California Counties and Islands: name (code)
Humboldt (HUM)

Quads: name (DWR code) USGS code
Board Camp Mtn. (652B) 40123F6, Mad River Buttes (653A) 40123F7, Denny (669B) 40123H4, Lord-ellis Summit (671A) 40123H7, Maple Creek (671D) 40123G7

Notes:

Definitions of codes preceding a county and/or quad:
*		Presumed extirpated
?		Uncertain about distribution or identity
?*		Uncertain about distribution, but presumed extirpated if once present
(?)		Occurrence confirmed, but possibly extirpated

Species may be present in other areas where conditions are favorable.

Presumed Extant

Presumed Extirpated or Unknown

353

Links to Leading Resources of Taxon Information
USDA PLANTS Calflora CalPhotos Consortium of California Herbaria California Department of Fish and Game: CNDDB Quick Viewer

Suggested Citation
California Native Plant Society (CNPS). Inventory of Rare and Endangered Plants (online edition, v8-01a). California Native Plant Society. Sacramento, CA. Accessed on .

-123.75,40.75