Basionym Name:Pharcidia parva Henssen, Symb. bot. upsal. 18(no. 1): 112 (1963)
Homotypic synonyms:Stigmidium parvum (Henssen) R. Sant., Lichens and Lichenicolous Fungi of Sweden and Norway (Lund): 214 (1993)Stigmidium parvum (Henssen) Vitik., Ahti, Kuusinen, Lommi & T. Ulvinen, Norrlinia 6: 61 (1997)Stigmidium parvum (Henssen) Diederich, in Diederich, Lawrey & Ertz, Bryologist 121(3): 401 (2018)