Source: Raab-Straube, E. von (ed.) 2022+: Liliaceae. - In: Euro+Med PlantBase - the information resource for Euro-Mediterranean plant diversity.
Streptopus, Fl. Bor.-Amer. 1: 200. 1803
Euro+Med: Austria, with Liechtenstein native (Austria native, Liechtenstein native); Bosnia-Herzegovina native; Bulgaria native; Corsica native; Croatia native; Czech Republic native; Former Yugoslavia native; France, with Channel is. and Monaco (France native); Germany native; Italy, with San Marino and Vatican City native; Kosovo native: presence questionable; Montenegro native; Poland native; Romania native; Serbia native; Serbia, with Kosovo native; Slovakia native; Slovenia native; Spain, with Gibraltar and Andorra native (Andorra native, Spain native); Switzerland native; Ukraine native