Macrorhynchus heterophyllus Nuttall
Macrorhynchus heterophyllus Nuttall is a synonym sensu FNA Ed. Comm., 2006a of:
Agoseris heterophylla (Nuttall) Greene var. heterophylla, an accepted variety name sensu FNA Ed. Comm., 2006a.
Macrorhynchus heterophyllus Nuttall is a synonym sensu FNA Ed. Comm., 2006a of:
Agoseris heterophylla (Nuttall) Greene var. heterophylla, an accepted variety name sensu FNA Ed. Comm., 2006a.