Di Gristina, E., Gottschlich, G., & Scafidi, F. (2018).

Hieracium jurassicum subsp. serrapretense (Asteraceae), a new hawkweed taxon from the Pollino National Park (southern Italy)

. Phytotaxa, 340(2), 186–190. https://doi.org/10.11646/phytotaxa.340.2.8