Basionym Name:Xylographa platytropa Nyl., Flora, Regensburg 51: 163 (1868)
Homotypic synonyms:Xyloschistes platytropa (Nyl.) Vain., Meddn Soc. Fauna Flora fenn. 10: 149 (1883)Xyloschistes platytropa var. platytropa (Nyl.) Vain., Meddn Soc. Fauna Flora fenn. 10: 149 (1883)