Clubmoss Mountain-heather, Clubmoss Mountain Heather, Ground Pine Heather: Cassiope lycopodioides (Synonyms: Andromeda lycopodioides) -
White Mountain Heather. Western Moss Heather, Mertens' Mountain Heather: Cassiope mertensiana ssp. mertensiana (Synonyms: Andromeda cupressina, Andromeda mertensiana, Cassiope mertensiana var. mertensiana)
Four-angled Mountain Heather, White Arctic Mountain Heather: Cassiope tetragona var. saximontana -