Basionym Name:Verrucaria trachyspora C. Knight, Trans. Proc. N.Z. Inst. 15: 355, tab. XXXVI, fig. 9 (1883)
Homotypic synonyms:Polyblastia trachyspora (C. Knight) Müll. Arg., Bull. Herb. Boissier 2(app. 1): 93 (1894)