Basionym Name:Diderma rugosum var. sessile Brândză, Bull. trimest. Soc. mycol. Fr. 44: 266 (1928)
Homotypic synonyms:Diderma sessile (Brândză) Mar. Mey. & Poulain, [as 'sessilis'] Bull. trimest. Féd. Mycol. Dauphiné-Savoie 39(no. 154): 57 (1999)