Fainelli, Federico, Günter Gottschlich, and Simone Orsenigo. 2024. “Nomenclatural Notes on Some Names in the Hieracium tenuiflorum Group (Asteraceae) of the Alps”. Phytotaxa 645 (2). Auckland, New Zealand:131-48. https://doi.org/10.11646/phytotaxa.645.2.3.