Prenanthes aspera Michaux
Prenanthes aspera Michaux is a synonym sensu FNA Ed. Comm., 2006a of:
Nabalus asper (Michaux) Torrey & A. Gray, an accepted species name sensu TROPICOS.
Prenanthes aspera Michaux is a synonym sensu FNA Ed. Comm., 2006a of:
Nabalus asper (Michaux) Torrey & A. Gray, an accepted species name sensu TROPICOS.