Basionym Name:Pyxine meissneri var. physciiformis Malme, [as 'physciaeformis'] Bih. K. svenska VetenskAkad. Handl., Afd. 3 23(no. 13): 36 (1897)
Homotypic synonyms:Pyxine physciiformis (Malme) Imshaug, [as 'physciaeformis'] Trans. Am. microsc. Soc. 76: 257 (1957)