Template:Fritsch, 1992
- Fritsch, R.M. 1992. Infra-subgeneric grouping in subgenus Melanocrommyum (Webb et Berth.) Rouy. pp. 67–75. in: Hanelt, P.H., Hammer, K. & Knopffer, H. (eds.): The genus Allium - taxonomic problems and genetic resources. Proceedings of an international symposium held at Gatersleben, Germany, June 11 - 13, 1991. Gatersleben: Institut für Pflanzengenetik und Kulturpflanzenforschung.