Template:Aellen, 1973

• Aellen, P. 1973. Zum Formenkreis von Chenopodium L. Sect. Ambrina (Spach) Benth. & Hook, und Sect. Nigrescentia Aellen. Acta Botanica Academiae Scientiarum Hungaricae 19(1-4): 1–12. (Fulltext of Vol. 19)  
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