Sajna, N., M. Sipek, J. Sustar-Vozlic, and M. Kaligaric. “Germination Behavior of the Extremely Rare Hladnikia Pastinacifolia Rchb. (Apiaceae) – a Pleistocene in Situ Survivor”. Acta Botanica Croatica, vol. 78, no. 2, Oct. 2019, https://www.abc.botanic.hr/index.php/abc/article/view/2443.