Acnida altissima var. subnuda (S. Watson) Fernald

Acnida altissima var. subnuda (S. Watson) Fernald is a synonym sensu FNA Ed. Comm., 2003a of:

Amaranthus tuberculatus (Moquin-Tandon) J.D. Sauer var. tuberculatus, an accepted variety name sensu Costea & Tardif, 2003.