Antennaria petaloidea var. subcorymbosa (Fernald) Fernald
Antennaria petaloidea var. subcorymbosa (Fernald) Fernald is a synonym sensu FNA Ed. Comm., 2006a of:
Antennaria howellii subsp. petaloidea (Fernald) R. J. Bayer, an accepted subspecies name sensu FNA Ed. Comm., 2006a.