Place of publication:
Monogr. Syst. Bot. Missouri Bot. Gard. 45:1258. 1993 (J. M. J. de Wet, Amer. J. Bot. 65:481. 1978, nom. inval.)
Comment:
de Wet failed to provide a full reference to the basionym, citing only Sorghum drummondii (Steud.) Millsp. & Chase