Fr: arnica de Chamisso
Provincial Status: Li
Range: Mountain and subalpine wNA and boreal Canada; intr. in cLab. (Goose Bay).
[=Arnica bernardina Greene]
[=Arnica chamissonis Less. forma incana (A.Gray) B.Boivin]
[=Arnica chamissonis Less. subsp. chamissonis]
[=Arnica chamissonis Less. subsp. foliosa (Nutt.) Maguire]
[=Arnica chamissonis Less. subsp. genuina Maguire, nom. inval.]
[=Arnica chamissonis Less. subsp. incana (A.Gray) Maguire]
[=Arnica chamissonis Less. var. angustifolia Herder]
[=Arnica chamissonis Less. var. bernardina (Greene) Maguire]
[=Arnica chamissonis Less. var. foliosa (Nutt.) Maguire]
[=Arnica chamissonis Less. var. incana (A.Gray) Hultén]
[=Arnica chamissonis Less; var. incana (A.Gray) S.L.Welsh 1968, nom. illeg. isonym., non (A.Gray) Hultén 1950]
[=Arnica chamissonis Less; var. interior Maguire]
[=Arnica chamissonis Less; var. jepsoniana Maguire]
[=Arnica foliosa Nutt.]
[=Arnica foliosa Nutt. var. incana A.Gray]
[=Arnica rhizomata A.Nelson]
[First reported from northwest of Goose Bay, by S.J. Meades, W.J. Meades, and E. Oberndorfer, July 18, 2017, well established in a moist meadow overlooking the Lower Churchill River, possibly derived from seed transported in wheel-wells of landing planes.]