Vascular Plants Taxonomy & Bibliography of Croatian Flora Part of Nature protection information system
Topić J. (1984): Phytocenological and Phytogeographical Characteristics of the Hoe Weed Vegetation in the Continental Part of Croatia. 18. Simpozij Istočnoalpsko-dinarskog društva za proučavanje vegetacije. Acta Botanica Croatica 43 273-284.