Cirsium minganense f. album Vict. & J.Rousseau accepted as Cirsium scariosum (Poir.) Nutt. (original description)
Erigeron compositus f. deficiens (J.F.Macbr. & Payson) Vict. & J.Rousseau accepted as Erigeron compositus Pursh (original description)
Erigeron compositus f. discoideus (A.Gray) Vict. & J.Rousseau accepted as Erigeron compositus Pursh (original description)
Erigeron hyssopifolius var. anticostensis Vict. & J.Rousseau accepted as Erigeron hyssopifolius Michx. (original description)
Erigeron philadelphicus f. angustatus Vict. & J.Rousseau accepted as Erigeron philadelphicus Michx. accepted as Erigeron quercifolius Pursh accepted as Erigeron philadelphicus Michx. (original description)
Erigeron provancheri Vict. & J.Rousseau accepted as Erigeron philadelphicus var. provancheri (Vict. & Rouss.) B.Boivin (original description)
Prenanthes racemosa f. rollandii Vict. & J.Rousseau (original description)
Prenanthes trifoliolata f. ciliata Vict. & J.Rousseau (original description)
Solidago flexicaulis f. subincisa Vict. & J.Rousseau (original description)