Viola nuttallii var. linguifolia (Nuttall) Piper
Viola nuttallii var. linguifolia (Nuttall) Piper is a synonym sensu FNA Ed. Comm., 2015 of:
Viola praemorsa var. linguifolia (Nuttall) M. Peck, an accepted variety name sensu FNA Ed. Comm., 2015.
Viola nuttallii var. linguifolia (Nuttall) Piper is a synonym sensu FNA Ed. Comm., 2015 of:
Viola praemorsa var. linguifolia (Nuttall) M. Peck, an accepted variety name sensu FNA Ed. Comm., 2015.