Native to California, Idaho, Oregon, Washington (source: POWO). Flora of the World documents 2 occurrences across 1 country.
Eriogonum compositum
var. compositum
Distribution from Plants of the World Online (POWO). View the accepted name on POWO
Location
United States, Oregon, Union (Elgin)
45.586306, -117.736972
Location Remarks
OR Hwy 82 ca. 16 km E of Elgin/Grande Rhonde River Bridge Elev. 965 m.
Collectors
Christopher Davidson, Sharon R. Christoph
Notes
Construction cut into basalt cliff to R of the road. Ponderosa/Doug fir forest. Basalt-derived substrate.
Identified as
Eriogonum compositum var. compositum
Location
United States, Oregon, Malheur (Harper)
43.776083, -117.754528
Location Remarks
Hwy 20, ca. 37 km east of Frances St. in Juntura, in Simmons Gulch. Elev. 852 m.
Collectors
Christopher Davidson, Sharon R. Christoph
Notes
Shrubby steppe along Malheur River. Dry basalt scree slope.
Kingdom
Plantae
Phylum
Tracheophyta
Class
Magnoliopsida
Order
Caryophyllales
Family
Polygonaceae
Genus
Eriogonum
Specific Epithet
compositum
Authorship
Douglas ex Benth.
What is EDGE?
Evolutionary distinctiveness
Lower
ED 1.3
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
#231,082 of 335,497
Top 69%
Extinction probability
11%