Arnica unalaschcensis Less.
Annotated by Matthew Carlson, 22 Jul 2019.

Alaska: Atka Island, west of old village. Hills ca. 0.5 km west of old village. Jurisdiction: Axtam Corp. Elev. 100 m.
52.19484° N, 174.20535° W
Datum: NAD 83. Coordinate Source: GPS.
Sideslope and bench, ESE aspect, 5-20 deg. slope; mesic heath-graminoid meadow, Veg. cover: 90%, mesic loamy soil with some rocky outcrops and barren gravels; scattered. Assoc. spp.: with Empetrum nigrum, Calamagrostis nutkaensis, Salix arctica, Anemone narcissiflora, Lupinus nootkatensis, Arnica unalaschcensis, Pedicularis chamissonis, Linnaea borealis, Bistorta vivipara, Phleum alpinum, Achillea millefolium.

Matthew Carlson MLC-2019-045, Jul 22, 2019
With T.W. Nawrocki
UAAH, Accession: 14276