Arnica angustifolia is an Arctic and alpine species of plants in the sunflower family, known by the common names narrowleaf arnica and Arctic arnica. It is native to colder regions in Europe, Asia, and North America (northern and western Canada, Alaska, northern Rocky Mountains). It is a perennial herb growing up to tall. Its native habitats include bare, rocky slopes and alpine summits.
Taxonomy The publication of Arnica angustifolia as the scientific name for the species occurred in 1818 and is credited to Martin Vahl. It is classified in the genus Arnica which is in the family Asteraceae.
Subspecies According to Plants of the World Online it has four accepted subspecies.
Arnica angustifolia subsp. alpina – Norway, Sweden, northern Russia Arnica angustifolia subsp. angustifolia – Eurasia, North America Arnica angustifolia subsp. iljinii – Eurasia Arnica angustifolia subsp. tomentosa – Northwestern North America and Newfoundland
Arnica angustifolia has synonyms of the species or one of its four subspecies.
Table of Synonyms Name Year Rank Synonym of: Notes Aliseta plantaginea 1837 species subsp. angustifolia = het. Arnica alpina 1799 species subsp. alpina ≡ hom., nom. illeg. Arnica alpina subsp. angustifolia 1942 subspecies A. angustifolia ≡ hom. Arnica alpina var. angustifolia 1934 variety A. angustifolia ≡ hom. Arnica alpina subsp. attenuata 1942 subspecies subsp. angustifolia = het. Arnica alpina var. attenuata 1978 variety subsp. angustifolia = het. Arnica alpina subsp. iljinii 1943 subspecies subsp. iljinii ≡ hom. Arnica alpina var. linearis 1950 variety subsp. angustifolia = het. Arnica alpina var. plantaginea 1978 variety subsp. angustifolia = het. Arnica alpina subsp. sornborgeri 1943 subspecies subsp. angustifolia = het. Arnica alpina subsp. tomentosa 1942 subspecies subsp. tomentosa ≡ hom. Arnica alpina var. tomentosa 1955 variety subsp. tomentosa ≡ hom. Arnica alpina var. ungavensis 1972 variety subsp. angustifolia = het. Arnica alpina var. vahliana 1948 variety subsp. alpina = het. Arnica alpina var. vestita 1950 variety subsp. angustifolia = het. Arnica angustifolia subsp. attenuata 1978 subspecies subsp. angustifolia = het. Arnica angustifolia var. tomentosa 2001 variety subsp. tomentosa ≡ hom. Arnica attenuata 1900 species subsp. angustifolia = het. Arnica chamissonis var. angustifolia 1867 variety subsp. angustifolia = het., nom. nud. Arnica fennoscandica 1987 species subsp. alpina ≡ hom. Arnica iljinii 1961 species subsp. iljinii ≡ hom. Arnica iljinii var. polycephala 1990 variety subsp. iljinii = het. Arnica latifolia var. angustifolia 1867 variety subsp. angustifolia = het., nom. nud. Arnica montana var. alpina 1753 variety subsp. alpina ≡ hom. Arnica montana var. angustifolia 1834 variety A. angustifolia ≡ hom., nom. illeg. Arnica plantaginea 1813 species subsp. angustifolia = het. Arnica pulchella 1915 species subsp. angustifolia = het. Arnica sornborgeri 1905 species subsp. angustifolia = het. Arnica sornborgeri var. ungavensis 1948 variety subsp. angustifolia = het. Arnica terrae-novae 1925 species subsp. angustifolia = het. Arnica tomentosa 1899 species subsp. tomentosa ≡ hom. Doronicum plantagineum 1817 species subsp. angustifolia = het., sensu auct. Notes: ≡ homotypic synonym; = heterotypic synonym
References
External links Naturegate, alpine arnica, Arnica angustifolia Alaska Wildflowers
Den Virtuella floran, Fjällarnika, Arnica angustifolia Vahl in Swedish with photos Czech Botany, Arnica angustifolia in Czech with photos Alpine arnica (Arnica angustifolia) along railroad-tracks photo