Arnica longifolia

Taxonavigation

Taxonavigation: Asterales
Classification System: APG IV Superregnum: Eukaryota Regnum: Plantae Cladus: Angiosperms Cladus: Eudicots Cladus: Core eudicots Cladus: Asterids Cladus: Campanulids Ordo: Asterales

Familia: Asteraceae
Subfamilia: Asteroideae
Tribus: Madieae
Subtribus: Arnicinae
Genus: Arnica
Species: Arnica longifolia

Arnica longifolia D.C.Eaton, Bot. King, Exped. 186 1871.

Homotypic
- Arnica longifolia subsp. genuina Maguire in Brittonia 4: 468 (1943), not validly publ.
Heterotypic
- Arnica caudata Rydb. in Bull. Torrey Bot. Club 37: 463 (1910)
- Arnica longifolia subsp. myriadenia (Piper) Maguire in Brittonia 4: 470 (1943)
- Arnica myriadenia Piper in Proc. Biol. Soc. Washington 33: 106 (1920)
- Arnica polycephala A.Nelson in Bot. Gaz. 30: 202 (1900)

Native distribution areas:
Continental: Northern America Canada (Alberta, British Columbia), USA (California, Colorado, Idaho, Montana, Nevada, Oregon, Utah, Washington, Wyoming) References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2^nd Edition

International Plant Names Index. 2018. Arnica longifolia. Published online. Accessed: Feb. 19 2018.
Govaerts, R. et al. 2018. Arnica longifolia in Kew Science Plants of the World Online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2018 Feb. 19. Reference page.
Tropicos.org 2018. Arnica longifolia. Missouri Botanical Garden. Published online. Accessed: 19 Feb. 2018.
Hassler, M. 2018. Arnica longifolia. World Plants: Synonymic Checklists of the Vascular Plants of the World In: Roskovh, Y., Abucay, L., Orrell, T., Nicolson, D., Bailly, N., Kirk, P., Bourgoin, T., DeWalt, R.E., Decock, W., De Wever, A., Nieukerken, E. van, Zarucchi, J. & Penev, L., eds. 2018. Species 2000 & ITIS Catalogue of Life. Published online. Accessed: 2018 Feb. 19. Reference page.
USDA, ARS, Germplasm Resources Information Network. Arnica longifolia in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service.

English: spearleaf arnica