Arnica sororia, C. Davidson 13758--Oregon. Wallowa Co. Zumwalt.Trail Cr. Rd. 4 Jun 2018. DSC04078 (297).JPG
Arnica sororia, C. Davidson 13758--Oregon. Wallowa Co. Zumwalt.Trail Cr. Rd. 4 Jun 2018. DSC04078 (282).JPG
Arnica sororia, C. Davidson 13758--Oregon. Wallowa Co. Zumwalt.Trail Cr. Rd. 4 Jun 2018. DSC04078 (298).JPG
Arnica sororia, C. Davidson 13758--Oregon. Wallowa Co. Zumwalt.Trail Cr. Rd. 4 Jun 2018. DSC04078 (292).JPG
Arnica sororia, C. Davidson 13758--Oregon. Wallowa Co. Zumwalt.Trail Cr. Rd. 4 Jun 2018. DSC04078 (289).JPG
Arnica sororia, C. Davidson 13758--Oregon. Wallowa Co. Zumwalt.Trail Cr. Rd. 4 Jun 2018. DSC04078 (280).JPG
Arnica sororia, C. Davidson 13758--Oregon. Wallowa Co. Zumwalt.Trail Cr. Rd. 4 Jun 2018. DSC04078 (293).JPG
Arnica sororia, C. Davidson 13758--Oregon. Wallowa Co. Zumwalt.Trail Cr. Rd. 4 Jun 2018. DSC04078 (290).JPG
Arnica sororia, C. Davidson 13758--Oregon. Wallowa Co. Zumwalt.Trail Cr. Rd. 4 Jun 2018. DSC04078 (285).JPG
Arnica sororia, C. Davidson 13758--Oregon. Wallowa Co. Zumwalt.Trail Cr. Rd. 4 Jun 2018. DSC04078 (288).JPG
Arnica sororia, C. Davidson 13758--Oregon. Wallowa Co. Zumwalt.Trail Cr. Rd. 4 Jun 2018. DSC04078 (281).JPG
Arnica sororia, C. Davidson 13758--Oregon. Wallowa Co. Zumwalt.Trail Cr. Rd. 4 Jun 2018. DSC04078 (275).JPG
Arnica sororia, C. Davidson 13758--Oregon. Wallowa Co. Zumwalt.Trail Cr. Rd. 4 Jun 2018. DSC04078 (287).JPG
Arnica sororia, C. Davidson 13758--Oregon. Wallowa Co. Zumwalt.Trail Cr. Rd. 4 Jun 2018. DSC04078 (284).JPG
Arnica sororia, C. Davidson 13758--Oregon. Wallowa Co. Zumwalt.Trail Cr. Rd. 4 Jun 2018. DSC04078 (278).JPG
Arnica sororia, C. Davidson 13758--Oregon. Wallowa Co. Zumwalt.Trail Cr. Rd. 4 Jun 2018. DSC04078 (283).JPG
Arnica sororia, C. Davidson 13758--Oregon. Wallowa Co. Zumwalt.Trail Cr. Rd. 4 Jun 2018. DSC04078 (274).JPG
Arnica sororia, C. Davidson 13758--Oregon. Wallowa Co. Zumwalt.Trail Cr. Rd. 4 Jun 2018. DSC04078 (295).JPG
Arnica sororia, C. Davidson 13758--Oregon. Wallowa Co. Zumwalt.Trail Cr. Rd. 4 Jun 2018. DSC04078 (277).JPG
Arnica sororia, C. Davidson 13758--Oregon. Wallowa Co. Zumwalt.Trail Cr. Rd. 4 Jun 2018. DSC04078 (291).JPG
Arnica sororia, C. Davidson 13758--Oregon. Wallowa Co. Zumwalt.Trail Cr. Rd. 4 Jun 2018. DSC04078 (276).JPG
Arnica sororia, C. Davidson 13758--Oregon. Wallowa Co. Zumwalt.Trail Cr. Rd. 4 Jun 2018. DSC04078 (294).JPG
Arnica sororia, C. Davidson 13758--Oregon. Wallowa Co. Zumwalt.Trail Cr. Rd. 4 Jun 2018. DSC04078 (286).JPG
Arnica sororia, C. Davidson 13758--Oregon. Wallowa Co. Zumwalt.Trail Cr. Rd. 4 Jun 2018. DSC04078 (279).JPG
Arnica sororia, C. Davidson 13758--Oregon. Wallowa Co. Zumwalt.Trail Cr. Rd. 4 Jun 2018. DSC04078 (296).JPG
Native to Alberta, British Columbia, California, Idaho, Montana, Nevada, Oregon, Saskatchewan, Utah, Washington, Wyoming (source: POWO). Flora of the World documents 1 occurrence across 1 country.
Location
United States, Oregon, Wallowa (Imnaha)
45.579306, -116.960556
Location Remarks
The Nature Conservancy's Zumwalt Prairie Preserve. 0.6 km NE past Summer Camp barn on Trail Creek Rd. Elev. 1371 m.
Collectors
Christopher Davidson, Sharon R. Christoph
Notes
Grassy hillside. Lightly grazed. Gentle north slope.
Kingdom
Plantae
Phylum
Tracheophyta
Class
Magnoliopsida
Order
Asterales
Family
Asteraceae
Genus
Arnica
Specific Epithet
sororia
Authorship
Greene
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
#259,363 of 335,497
Top 78%
Extinction probability
11%
