Erigeron philadelphicus subsp. provancheri (Victorin & J. Rousseau) J.K. Morton

Erigeron philadelphicus subsp. provancheri (Victorin & J. Rousseau) J.K. Morton is a synonym of:

Erigeron philadelphicus var. provancheri (Victorin & J. Rousseau) B. Boivin, an accepted variety name sensu FNA Ed. Comm., 2006b.