- Plants
- ›Vascular Plants
- ›flowering plants
- ›Dicots
- ›Sunflowers, Bellflowers, Fanflowers, and Allies
- ›Sunflowers, Daisies, Asters, and Allies
- ›Asteroideae
- ›tarweeds, silverswords, and allies
- ›Arnica

twin arnica
Arnica sororia
Arnica sororia is a North American species of arnica known by the common name twin arnica. It is native to western Canada (British Columbia, Alberta, Saskatchewan) and the western United States (Washington, Oregon, California, Nevada, Utah, Idaho, Montana, Wyoming, South Dakota). It grows in grasslands and in conifer forests.
Where it lives
Recorded sightings
—
geo-referenced records in GBIF, from museums, herbaria and field observers.
Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.
In the stacks
Searching the stacks…
Every page naming Arnica sororia in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 75579.