Native to Alberta, Arizona, British Columbia, California, Colorado, Idaho, Montana, Nevada, New Mexico, Oregon, Utah, Washington, Wyoming (source: POWO). Flora of the World documents 9 occurrences across 1 country.
Eriogonum umbellatum
var. dichrocephalum
var. ellipticum
Distribution from Plants of the World Online (POWO). View the accepted name on POWO
Identified as
Eriogonum umbellatum var. dichrocephalum
Location
United States, Idaho, Fremont (Island Park)
44.289333, -111.459389
Location Remarks
Intersection of Hwy 20 and Pinehaven Rd. ca. 16 km S of bridge in Island Park and 26 km N of Main St. in Ashton. Elev. 1868 m.
Collectors
Christopher Davidson, Sharon R. Christoph
Notes
Dry roadside, S slope in fir/lodgepole forest-grassland mosaic.
Identified as
Eriogonum umbellatum var. ellipticum
Location
United States, Idaho, Owyhee (Hammett)
42.904333, -115.692611
Location Remarks
Bruneau Canyon Scenic Overlook, 25 km south of Bruneau (ssmall town) on Hot Springs Rd., then 5 km west on unnamed road (Scenic overlook sign) to the canyon rim. 2240 m elev.
Collectors
Christopher Davidson, Sharon R. Christoph, Roy E. Gereau, Charlotte M. Taylor
Notes
Mixed conifer forest, mostly Douglas fir. Sandy, gravelly soil on roadside bank.
Location
United States, Idaho, Idaho (McCall)
45.244, -115.588639
Location Remarks
1.9 km N of Warren Summit on FSR 340, at Mayflower Creek Bridge. Elev. 1904 m.
Collectors
Barbara Ertter, Christopher Davidson
Notes
Basalt outcrop on north side of small ridge. Basalt talus.
Identified as
Eriogonum umbellatum var. ellipticum
Location
United States, Idaho, Boise (Lowman)
44.083139, -115.754194
Location Remarks
Ca. 4.2 km N of Banks-Lowman Rd (Hwy 17) on Scott Mtn Lookout Rd. (FSR 555BC). Elev. 1170 m.
Collectors
Christopher Davidson, Sharon R. Christoph, Gavin Cottrell, Colin Cotrell
Notes
Dry roadbank, W slope above Karney Creek in ponderosa-doug fir forest.
Location
United States, Arizona, Coconino (Arboretum at Flagstaff)
Location Remarks
West of Flagstaff on Route 66, then 3.8 miles south on Woody Mountain Road
Collectors
Location
United States, Idaho, Boise (Lowman)
44.083139, -115.754194
Location Remarks
Ca. 4.2 km N of Banks-Lowman Rd (Hwy 17) on Scott Mtn Lookout Rd. (FSR 555BC). Elev. 1170 m.
Collectors
Christopher Davidson, Sharon R. Christoph
Notes
Grazed grassy slope with Artemisia/Purshia.
Location
United States, Oregon, Harney (Princeton)
42.666944, -118.711194
Location Remarks
South Steens Mountain Loop, c. 6 km east of bridge at Donner and Blitzen River. 1806 m elev.
Collectors
Christopher Davidson, Charlotte M. Taylor, Roy E. Gereau, Sharon R. Christoph
Identified as
Eriogonum umbellatum var. ellipticum
Location
United States, Idaho, Boise (Lowman)
44.083139, -115.754194
Location Remarks
Ca. 4.2 km N of Banks-Lowman Rd (Hwy 17) on Scott Mtn Lookout Rd. (FSR 555BC). Elev. 1170 m.
Collectors
Location
United States, Idaho, Custer (Stanley)
44.149139, -114.916833
Location Remarks
Redfish Lake
Collectors
Christopher Davidson, Sharon R. Christoph, Roy E. Gereau, Charlotte M. Taylor
Notes
Artemisia flat in lodgepole pine forest.
Kingdom
Plantae
Phylum
Tracheophyta
Class
Magnoliopsida
Order
Caryophyllales
Family
Polygonaceae
Genus
Eriogonum
Specific Epithet
umbellatum
Authorship
Torr.
What is EDGE?
Evolutionary distinctiveness
Lower
ED 0.9
Part of a well-represented branch of the plant tree of life, with many close relatives.
Threat status
Modelled estimate
EDGE score
0.1
Global rank
#267,472 of 335,497
Top 80%
Extinction probability
10%