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peregrinus
subsp. callianthemus
Erigeron peregrinus subsp. callianthemus (Greene) Cronquist (Asteraceae) is native to Alaska, Alberta, British Columbia, Kamchatka, Kuril Is., Oregon, Washington, Yukon.
Specimens are listed under the accepted name Erigeron glacialis (Nutt.) A.Nelson
Kingdom
Plantae
Phylum
Tracheophyta
Class
Magnoliopsida
Order
Asterales
Family
Asteraceae
Genus
Erigeron
Specific Epithet
Infraspecific Epithet
callianthemus
Authorship
(Greene) Cronquist