
Arnica cordifolia
heartleaf arnica
As recorded: Arnica cordifolia Hook.
Plantae › Tracheophyta › Magnoliopsida › Asterales › Asteraceae
- Collected by
- St.John, H.; et al.
- Collector number
- 4427
- Date
- May 8, 1926
- Locality
- Johnson's Bar, T24N, R2W. Idaho. Co.
- Region
- Idaho, United States
- Elevation
- 1,219 m
- Record type
- Preserved specimen
Arnica cordifolia observed alive
This specimen was collected in 1926. Since 2000, iNaturalist observers have recorded 6,471 research-grade sightings in the wild, most recently on 2026-10-15.

2026-10-15
Boulder County, US-CO, US
(c) Colin D. Sumrall, some rights reserved (CC BY-NC)

2026-09-25
Highline Trail, Boulder, WY, US
(c) msmnificent, some rights reserved (CC BY-NC)

2026-09-20
Rocky Mountain National Park, Estes Park, CO, US
(c) Shannon, some rights reserved (CC BY-NC)

2026-09-07
Island Park
(c) emilyperrenoud, some rights reserved (CC BY-NC)

2026-09-03
Cora, WY 82925, USA
no rights reserved

2026-09-01
Stillwater County, US-MT, US
(c) Jake Anderson, some rights reserved (CC BY)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Arnica cordifolia. BISH 450309. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956441314. Accessed via explore.bishopmuseum.org/specimens/bish/450309.
Record sources
- GBIF occurrence 5956441314 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026
