Synonymy:
Corticium rude P. Karst., Bidr. Känn. Finl. Nat. Folk 37: 143 (1882)
Terana rudis (P. Karst.) Kuntze, Revis. gen. pl. (Leipzig) 2: 872 (1891)
Gloeocystidium rude (P. Karst.) Höhn. & Litsch., Sber. Akad. Wiss. Wien, Math.-naturw. Kl., Abt. 1 115: 1558 (1906)
Peniophora rudis (P. Karst.) Bourdot & Galzin, Hyménomyc. de France (Sceaux): 302 (1928) [1927]

Corticium greschikii Bres. [as 'Greschikü'], Rev. Mycol., Toulouse 12(no. 47): 109 (1890)
Peniophora greschikii (Bres.) Bourdot & Galzin, Hyménomyc. de France (Sceaux): 300 (1928) [1927]
Fibricium greschikii (Bres.) J. Erikss., Symb. bot. upsal. 16(no. 1): 114 (1958)

Peniophora subcremea Höhn. & Litsch., Sber. Akad. Wiss. Wien, Math.-naturw. Kl., Abt. 1 115: 1600 (1906)

Position in classification:
Fibricium, Incertae sedis, Hymenochaetales, Agaricomycetidae, Agaricomycetes, Basidiomycota, Fungi

Note:
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