Arnica fulgensPursh

foothill arnicahillside arnicaorange arnica

WFO wfo-0000009027 Accepted WFO 2026-06 8 photographs CC0 / CC BY

Plate 1 figs. a–h · 8 separate observations

Arnica fulgens, photographed by Jared Shorma
fig. a Jared Shorma, CC BY 4.0 / 2022-05-25 / obs. 200561150
Arnica fulgens, photographed by Jared Shorma
fig. b Jared Shorma, CC BY 4.0 / obs. 199365959
Arnica fulgens, photographed by Doug Macaulay
fig. c Doug Macaulay, CC BY 4.0 / obs. 135041123
Arnica fulgens, photographed by Nick Reinicke
fig. d Nick Reinicke, CC0 1.0 / obs. 131739775
Arnica fulgens, photographed by Caleb Catto
fig. e Caleb Catto, CC BY 4.0 / obs. 46137487
Arnica fulgens, photographed by Parker Hopkins
fig. f Parker Hopkins, CC0 1.0 / obs. 39264514
Arnica fulgens, photographed by Ian Adams
fig. g Ian Adams, CC BY 4.0 / obs. 137820471
Arnica fulgens, photographed by Doug Macaulay
fig. h Doug Macaulay, CC BY 4.0 / obs. 8467079

Every figure is a research-grade observation under CC0, CC BY or CC BY-SA, rehosted with the photographer’s name, the licence and the observation it came from. Photographs under a NonCommercial licence are excluded from this site and are never stored, which costs us a great many pictures and is not negotiable.

The specimen a real sheet, in a real collection

Herbarium
Smithsonian, US National Herbarium
Accession
US 237115
Filed as
Arnica fulgens Pursh
Det. by
Maguire, Bassett
Collected
J. M. Coulter 1873
Origin
US
The sheet
View the digitised specimen (CC0 1.0)

A real pressed plant, in a real collection, under the accession number above. Not an illustration of one. The holding institution does not serve this sheet’s image to third parties, so there is no photograph here. The record is real and the link goes to it. Where we hold no openly licensed sheet for a species this section is simply absent, and where a sheet never recorded who determined it, that field stays empty rather than being filled in. Roughly half of all herbarium sheets never recorded a determiner, which is ordinary.

Native range 15 botanical countries

Regions where Arnica fulgens is native: Alberta, British Columbia, California, Colorado, Idaho, Manitoba, Montana, Nevada, North Dakota, Oregon, Saskatchewan, South Dakota, Utah, Washington, Wyoming AlbertaBritish ColumbiaCaliforniaColoradoIdahoManitobaMontanaNevadaNorth DakotaOregonSaskatchewanSouth DakotaUtahWashingtonWyoming
Native distribution of Arnica fulgens, after Kew’s World Checklist of Vascular Plants. Introduced, extinct and doubtful records are excluded, so this is where the plant is from, not everywhere it now grows.
RegionTDWG codeContinent
Alberta ABT NORTHERN AMERICA
British Columbia BRC
California CAL
Colorado COL
Idaho IDA
Manitoba MAN
Montana MNT
Nevada NEV
North Dakota NDA
Oregon ORE
Saskatchewan SAS
South Dakota SDA
Utah UTA
Washington WAS
Wyoming WYO

Region boundaries approximated from Natural Earth (public domain) and mapped to TDWG World Geographical Scheme for Recording Plant Distributions (WGSRPD) level-3 botanical countries (Brummitt 2001). Indicative, not the official WGSRPD geometry.

Where it actually grows measured, from 373 observations

Condition 5th percentile Median 95th percentile
Coldest month, mean daily low -15.7 °C -9.2 °C -7.5 °C
Warmest month, mean daily high 22.2 °C 27.0 °C 28.6 °C
Annual rainfall 343 mm 488 mm 594 mm
Rainfall in the driest quarter 35 mm 60 mm 82 mm

It is found where winters are severely cold. This is not care advice and it is not a forecast. It is a measurement: we sampled the climate at every one of the 373 research-grade observations of Arnica fulgens that carry a coordinate, and this is the range those places actually span. The 5th and 95th percentiles are used rather than the minimum and maximum, because a single cultivated specimen in a heated conservatory should not widen a tropical plant's range to the Arctic.

This is not a hardiness zone. A USDA zone is the average annual extreme minimum temperature. The figure above is the mean daily minimum of the coldest month, which is a different quantity and is typically far warmer. Reading one as the other would place a plant several zones too warm, so we do not publish a hardiness zone, because we do not have one.

Also published as 10 synonyms

A synonym is not an error. It is a record of botanists disagreeing, in print, about where this plant belongs. Each of these was somebody’s considered answer.

  • Arnica fulgens var. fulgens
  • Arnica monocephala Rydb.
  • Arnica pedunculata Rydb.
  • Arnica pedunculata f. monocephala Cockerell
  • Arnica pedunculata f. pedunculata
  • Arnica pedunculata var. monocephala Lunell
  • Arnica pedunculata var. pedunculata
  • Arnica pedunculata var. tubularis Cockerell
  • Arnica trinervata Rydb.
  • Doronicum fulgens Poir.

Sourcesevery claim on this page

  1. World Flora Online Plant List. accepted name, authority, classification. CC0. Retrieved 2026-07-12.
  2. iNaturalist. photographs and flowering annotations, CC0 / CC BY / CC BY-SA only. per photograph. Retrieved 2026-06-27.
  3. Wikidata. common name (P1843), joined on the World Flora Online identifier (P7715). CC0. Retrieved 2026-07-13.
  4. Kew, World Checklist of Vascular Plants (WCVP v16). native distribution by TDWG level-3 botanical country, and life form. CC BY 3.0. Retrieved 2026-06-04.

We publish what we can source and we say so when we cannot. This page has no care advice and no toxicity claim, because we do not yet have those from a source we can cite.