Di Gristina, E., Gottschlich, G. & Raimondo, F.M. (2016)

Rediscovery of Hieracium nebrodense (Asteraceae), a little-known endemic of Sicily (Italy)

. Phytotaxa 265 (1): 59–66. https://doi.org/10.11646/phytotaxa.265.1.5