Arnica longifolia, Davidson, C 12071--ID. Valley Co. Yellow Pine to Big Creek Rd. 7 Aug 2012. DSC04021 (23).JPG
Arnica longifolia, Davidson, C 12071--ID. Valley Co. Yellow Pine to Big Creek Rd. 7 Aug 2012. DSC04021 (28).JPG
Arnica longifolia, Davidson, C 12071--ID. Valley Co. Yellow Pine to Big Creek Rd. 7 Aug 2012. DSC04021 (26).JPG
Arnica longifolia, Davidson, C 12071--ID. Valley Co. Yellow Pine to Big Creek Rd. 7 Aug 2012. DSC04021 (30).JPG
Arnica longifolia, Davidson, C #12071--ID, Valley Co., Profile Summit, 7 Aug 2012 DSC00537 (4).JPG
Arnica longifolia, Davidson, C #12071--ID, Valley Co., Profile Summit, 7 Aug 2012 DSC00537 (1).JPG
Arnica longifolia, Davidson, C 12071--ID. Valley Co. Yellow Pine to Big Creek Rd. 7 Aug 2012. DSC04021 (29).JPG
Arnica longifolia, Davidson, C #12071--ID, Valley Co., Profile Summit, 7 Aug 2012 DSC00537 (6).JPG
Arnica longifolia, Davidson, C 12071--ID. Valley Co. Yellow Pine to Big Creek Rd. 7 Aug 2012. DSC04021 (36).JPG
Arnica longifolia, Davidson, C 12071--ID. Valley Co. Yellow Pine to Big Creek Rd. 7 Aug 2012. DSC04021 (27).JPG
Arnica longifolia, Davidson, C 12071--ID. Valley Co. Yellow Pine to Big Creek Rd. 7 Aug 2012. DSC04021 (31).JPG
Arnica longifolia, Davidson, C 12071--ID. Valley Co. Yellow Pine to Big Creek Rd. 7 Aug 2012. DSC04021 (35).JPG
Arnica longifolia, Davidson, C 12071--ID. Valley Co. Yellow Pine to Big Creek Rd. 7 Aug 2012. DSC04021 (33).JPG
Arnica longifolia, Davidson, C 12071--ID. Valley Co. Yellow Pine to Big Creek Rd. 7 Aug 2012. DSC04021 (37).JPG
Arnica longifolia, Davidson, C #12071--ID, Valley Co., Profile Summit, 7 Aug 2012 DSC00537 (2).JPG
Arnica longifolia, Davidson, C #12071--ID, Valley Co., Profile Summit, 7 Aug 2012 DSC00537 (8).JPG
Arnica longifolia, Davidson, C 12071--ID. Valley Co. Yellow Pine to Big Creek Rd. 7 Aug 2012. DSC04021 (22).JPG
Arnica longifolia, Davidson, C 12071--ID. Valley Co. Yellow Pine to Big Creek Rd. 7 Aug 2012. DSC04021 (34).JPG
Arnica longifolia, Davidson, C 12071--ID. Valley Co. Yellow Pine to Big Creek Rd. 7 Aug 2012. DSC04021 (39).JPG
Arnica longifolia, Davidson, C 12071--ID. Valley Co. Yellow Pine to Big Creek Rd. 7 Aug 2012. DSC04021 (21).JPG
Arnica longifolia, Davidson, C 12071--ID. Valley Co. Yellow Pine to Big Creek Rd. 7 Aug 2012. DSC04021 (32).JPG
Arnica longifolia, Davidson, C #12071--ID, Valley Co., Profile Summit, 7 Aug 2012 DSC00537 (3).JPG
Arnica longifolia, Davidson, C #12071--ID, Valley Co., Profile Summit, 7 Aug 2012 DSC00537 (7).JPG
Arnica longifolia, Davidson, C 12071--ID. Valley Co. Yellow Pine to Big Creek Rd. 7 Aug 2012. DSC04021 (25).JPG
Arnica longifolia, Davidson, C 12071--ID. Valley Co. Yellow Pine to Big Creek Rd. 7 Aug 2012. DSC04021 (38).JPG
Arnica longifolia, Davidson, C 12071--ID. Valley Co. Yellow Pine to Big Creek Rd. 7 Aug 2012. DSC04021 (24).JPG
Arnica longifolia, Davidson, C 12071--ID. Valley Co. Yellow Pine to Big Creek Rd. 7 Aug 2012. DSC04021 (40).JPG
Arnica longifolia, Davidson, C #12071--ID, Valley Co., Profile Summit, 7 Aug 2012 DSC00537 (5).JPG
Native to Alberta, British Columbia, California, Colorado, Idaho, Montana, Nevada, Oregon, Utah, Washington, Wyoming (source: POWO). Flora of the World documents 1 occurrence across 1 country.
Location
United States, Idaho, Valley (Cascade)
44.158, -116.118361
Location Remarks
Highway 55 c. 10 km north of the bridge at Banks. Mixed conifer forest along the N. Fork Payette River.
Collectors
Christopher Davidson, Sharon R. Christoph
Notes
Forming extensive clumps along dry cobblestone streambank and seasonally dry meadow. Mixed conifer forest.
Kingdom
Plantae
Phylum
Tracheophyta
Class
Magnoliopsida
Order
Asterales
Family
Asteraceae
Genus
Arnica
Specific Epithet
longifolia
Authorship
D.C.Eaton
What is EDGE?
Evolutionary distinctiveness
Lower
ED 1.2
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
#246,123 of 335,497
Top 74%
Extinction probability
10%
