Epilobium alpinum var. gracillimum (Trelease) C.L. Hitchcock nom. inval.

Epilobium alpinum var. gracillimum (Trelease) C.L. Hitchcock nom. inval. is a synonym sensu FNA Ed. Comm., 2021 of:

Epilobium oregonense Haussknecht, an accepted species name sensu FNA Ed. Comm., 2021.