Compositae source details
(1841). Fl. N. Amer. 2: 138 (1841)
316882
1841
Publication
Date
action
by
Aster laxifolius var. borealis Torr. & A.Gray accepted as Symphyotrichum boreale (Torr. & A.Gray) Á.Löve & D.Löve (original description)
Aster laxifolius var. laetiflorus Torr. & A.Gray accepted as Symphyotrichum lanceolatum var. lanceolatum (original description)
Aster laxifolius var. laetiflorus Torr. & A.Gray accepted as Symphyotrichum lanceolatum var. lanceolatum (original description)
