As classified in WFO snapshot
June 2023
Warning: older classification
variety
Erigeron spinulosus var. angustifolius
Walp.
This variety name was first published in Nov. Actorum Acad. Caes. Leop.-Carol. Nat. Cur. 19(Suppl. 1): 260 (1843)
This variety name has been reclassified since this snapshot. Its current preferred usage is a synonym .