As classified in WFO snapshot
December 2023
latest classification for this taxon
variety
Erigeron caespitosus var. grandiflorus
(Hook.) Torr. & A.Gray
This variety name was first published in Fl. N. Amer. 2(1): 179 (1841)
This variety name has been reclassified since this snapshot. Its current preferred usage is a synonym .