Frajman, Božo, and Cene Fišer. “A Contribution to the Knowledge of Euphorbia Nicaeensis All. and E. Lucida W. & K. Pollinators”. Natura Sloveniae 3, no. 2 (December 30, 2001): 19–31. Accessed May 12, 2025. https://journals.uni-lj.si/NaturaSloveniae/article/view/16961.