Bilderdykia ciliinodis var. laevigata (Fernald) C.F. Reed

Bilderdykia ciliinodis var. laevigata (Fernald) C.F. Reed is a synonym sensu FNA Ed. Comm., 2005 of:

Parogonum ciliinode (Michaux) Desjardins & J.P. Bailey, an accepted species name sensu Desjardins et al., 2023.