Bartók, Attila, Anna-Mária Csergő, Ödön Balázs, Bogdan-Iuliu Hurdu, and Gusztáv Jakab. “Rediscovery of Gymnadenia Frivaldii Hampe Ex Griseb. At Its Northern Distribution Limit (Eastern Carpathians, Romania)”. Kitaibelia 21, no. 2 (July 1, 2016): 213–220. Accessed July 17, 2024. https://ojs.lib.unideb.hu/kitaibelia/article/view/8723.