Reference

Nikolai W. Friesen, Nikolai Borisjuk, Ted H. M. Mes, Manfred Klaas, Peter Hanelt (1997): Allotetraploid origin of Allium altyncolicum (Alliaceae, Allium sect. Schoenoprasum) as investigated by karyological and molecular markers – Österreichische Botanische Zeitschrift = Plant Systematics and Evolution – 206: 317 - 335.