Sorghum vulgare var. drummondii (Steudel) Hackel ex Chiovenda

Sorghum vulgare var. drummondii (Steudel) Hackel ex Chiovenda is a synonym sensu FNA Ed. Comm., 2003b of:

Sorghum bicolor subsp. ×drummondii (Steudel) de Wet, an accepted subspecies name sensu FNA Ed. Comm., 2003b.