Synonymy:
Boletus benzoinus Wahlenb., Fl. Suec. 2: 1076 (1826)
Polyporus benzoinus (Wahlenb.) Fr., Elench. fung. (Greifswald) 1: 100 (1828)
Trametes benzoina (Wahlenb.) Fr., Epicrisis Systematis Mycologici: 489 (1838) [1836-1838]
Polyporus resinosus subsp. benzoinus (Wahlenb.) P. Karst., Bidr. Känn. Finl. Nat. Folk 25: 262 (1876)
Polystictus benzoinus (Wahlenb.) Bigeard & H. Guill., Fl. Champ. Supér. France (Chalon-sur-Saône) 2: 365 (1913)
Ungulina benzoina (Wahlenb.) Singer, Beih. bot. Zbl., Abt. 2 46(2): 82 (1929) [1930]
Ischnoderma resinosum f. benzoinum (Wahlenb.) Pilát [as 'benzoinus'], in Kavina & Pilát, Atlas Champ. l'Europe, III, Polyporaceae (Praha) 1: 131 (1937)
Lasiochlaena benzoina (Wahlenb.) Pouzar, Česká Mykol. 44(2): 98 (1990)

Boletus rubiginosus Schrad., Spicil. fl. germ. 1: 168 (1794)
Polyporus rubiginosus Fr., Epicrisis Systematis Mycologici: 460 (1838) [1836-1838]
Trametes rubiginosus Fr., Summa veg. Scand., Sectio Post. (Stockholm): 564 (1849)

Boletus velutinus Vahl, Fl. Danic. 7: tab. 1138 (1794)

Boletus velutinus Schumach., Enum. pl. (Kjøbenhavn) 2: 386 (1803)

Polyporus guttatus Weinm., Syll. Pl. Nov. Ratisb. 2: 101 (1828)

Ganoderma rubiginosa (Fr.) Bres., Atti Imp. Regia Accad. Rovereto, Ser. 3 3(1): 34 (1897)

Polyporus morosus Kalchbr., Bot. Ztg. 27: 496 (1869)
Polyporus benzoinus var. morosus (Kalchbr.) Cooke, Grevillea 13(no. 68): 115 (1885)

Polyporus pini-silvestris Allesch., Ber. bot. Ver. Landshut 11: 28 (1889)

Polyporus nigrorugosa Lloyd [as 'nigro-rugosa'], Mycol. Writ. (Cincinnati) 7: 1270 (1924)

Position in classification:
Ischnoderma, Ischnodermataceae, Polyporales, Incertae sedis, Agaricomycetes, Basidiomycota, Fungi

Note:
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