Dioscorea villosa subsp. glauca (Muhlenberg ex L.C. Beck) R. Knuth

Dioscorea villosa subsp. glauca (Muhlenberg ex L.C. Beck) R. Knuth is a synonym sensu FNA Ed. Comm., 2002b of:

Dioscorea villosa Linnaeus, an accepted species name sensu FNA Ed. Comm., 2002b.