Synonymy:
Polyporus scruposus Fr., Epicrisis Systematis Mycologici: 473 (1838) [1836-1838]
Polyporus gilvus var. scruposus (Fr.) Henn., Bot. Jahrb. Syst. 18(4, Beibl. 44): 27 (1894)
Phellinus scruposus (Fr.) Pat., in Duss, Enum. Champ. Guadeloupe (Lons-le-Saunier): 32 (1903)
Fomes scruposus (Fr.) G. Cunn., Bull. N.Z. Dept. Sci. Industr. Res., Pl. Dis. Div. 79: 11 (1948)
Phellinus gilvus var. scruposus (Fr.) S. Ahmad, Basidiomyc. W. Pakist.: 59 (1972)

Position in classification:
Fuscoporia, Hymenochaetaceae, Hymenochaetales, Agaricomycetidae, Agaricomycetes, Basidiomycota, Fungi

Note:
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