Gristina, Emilio Di, Giulio Barone, Enrico Bajona, and Günter Gottschlich. 2025. “Rediscovery of Hieracium scorzonerifolium Subsp. divaricatum (Asteraceae), a Neglected Hawkweed Endemic to the Pollino National Park (Southern Italy)”. Phytotaxa 700 (3). Auckland, New Zealand:295-300. https://doi.org/10.11646/phytotaxa.700.3.6.