Sorghum × drummondii (Nees ex Steud.) Millsp. & Chase

This name was accepted following an alternative taxonomy by these authorities:

• Acevedo-Rodríguez, P. & Strong, M.T. (2012). Catalogue of seed plants of the West Indies. Smithsonian Contributions to Botany 98: 1-1192. [Cited as Sorghum × drummondii.]
• Boulos, L. (2005). Flora of Egypt 4: 1-617. Al Hadara Publishing, Cairo. [Cited as Sorghum × drummondii.]
• Brundu, G. & Camarda, I. (2013). The Flora of Chad: a checklist and brief analysis. PhytoKeys 23: 1-18. [Cited as Sorghum × drummondii.]
• Clayton, W.D. & Snow, N. (2010). A key to Pacific Grasses: 1-107. Kew Publishing, Royal Botanic Gardens, Kew. [Cited as Sorghum × drummondii.]
• Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew. [Cited as Sorghum × drummondii.]
• Danihelka, J. Chrtek, J. & Kaplan, Z. (2012). Checklist of vascular plants of the Czech Republic. Preslia. Casopsi Ceské Botanické Spolecnosti 84: 647-811. [Cited as Sorghum × drummondii.]
• Darbyshire, I., Kordofani, M., Farag, I., Candiga, R. & Pickering, H. (eds.) (2015). The Plants of Sudan and South Sudan: 1-400. Kew publishing, Royal Botanic Gardens, Kew. [Cited as Sorghum × drummondii.]
• Davis, P.H. (ed.) (1985). Flora of Turkey and the East Aegean Islands 9: 1-724. Edinburgh University Press, Edinburgh. [Cited as Sorghum × drummondii.]
• Engelmaier, P. & Wilhalm, T. (2018). Alien grasses (Poaceae) in the flora of the Eastern Alps. Neilreichia 9: 177-245. [Cited as Sorghum × drummondii.]
• Exell, A.W. (1973). Angiosperms of the islands of the gulf of Guinea (Fernando Po, Príncipe, S.Tomé, and Annobon). Bulletin of the British Museum (Natural History). Botany 4: 325-411. [Cited as Sorghum × drummondii.]
• Gosline, G., Bidault, E., van der Burgt, X., Cahen, D., Challen, G., Condé, N., Couch, C., Couvreur, T.L.P., Dagallier, L.M.J., Darbyshire, I., Dawson, S., Doré, T.S., Goyder, D., Grall, A., Haba, P., Haba, P., Harris, D., Hind, D.J.N., Jongkind, & al. (2023). A Taxonomically-verified and Vouchered Checklist of the Vascular Plants of the Republic of Guinea. Nature, scientific data 10, Article number: 327: [1]-[12]. [Cited as Sorghum × drummondii.]
• Iwatsuki, K., Boufford, D.E. & Ohba, H. (eds.) (2020). Flora of Japan IVa: 1-430. Kodansha Ltd., Tokyo. [Cited as Sorghum × drummondii.]
• Nelson Sutherland, C.H. (2008). Catálogo de las plantes vasculares de Honduras. Espermatofitas: 1-1576. SERNA/Guaymuras, Tegucigalpa, Honduras. [Cited as Sorghum × drummondii.]
• Whistler, W.A. (2022). Flora of Samoa Flowering Plants: 1-930. National Tropical Botanicl Garden. Smithsonian National Museum of Natural History. [Cited as Sorghum × drummondii.]