A.Weber & Mich.Möller (Hemsl.) 2011 - Weber A, Wei YG, Puglisi C, Wen F, Mayer V, Moller M (2011) A new definition of the genus Petrocodon (Gesneriaceae). Phytotaxa 23(1): 49-67. doi: 10.11646/phytotaxa.23.1.3.
There is no corrections for Petrocodon hancei yet.