Synonymy:
Thelephora grisea Pers., Mycologia Europaea (Erlanga) 1: 149 (1822)

Thelephora gigantea var. latissima Fr., Elench. fung. (Greifswald) 1: 214 (1828)
Corticium giganteum var. latissimum (Fr.) P. Karst., Bidr. Känn. Finl. Nat. Folk 37: 143 (1882)
Peniophora gigantea var. latissima (Fr.) P. Karst., Finl. Basidsvamp.(no. 11): 161 (1899)

Exidiopsis grisea (Bres.) Bourdot & Maire, Bull. Soc. Mycol. France 36(2): 71 (1920)

Position in classification:
Sebacina, Sebacinaceae, Sebacinales, Incertae sedis, Agaricomycetes, Basidiomycota, Fungi

Note:
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