Dichanthelium columbianum (Scribner) Freckmann

Dichanthelium columbianum (Scribner) Freckmann is a synonym sensu Soreng et al., 2000+ of:

Dichanthelium portoricense (Desvaux ex Hamilton) B.F. Hansen & Wunderlin, an accepted species name sensu Soreng et al., 2000+.