Erigeron peregrinus subsp. callianthemus (Greene) Cronquist (Asteraceae) is native to Alaska, Alberta, British Columbia, Kamchatka, Kuril Is., Oregon, Washington, Yukon. Flora of the World documents 1 occurrence across 1 country.
This name is a synonym
Specimens are listed under the accepted name Erigeronglacialis (Nutt.) A.Nelson
