Lebeda, A., E. Křístková, C. K. Khoury, D. Carver, and C. C. Sosa. “Distribution and Ecology of Wild Lettuces Lactuca Serriola L. and Lactuca Virosa L. In Central Chile”. Hacquetia, vol. 21, no. 1, Aug. 2021, pp. 173-86, https://ojs.zrc-sazu.si/hacquetia/article/view/9480.