Synonymy:
Boletus cavipes Klotzsch, in Fries & Hök, Boleti, Fungorum generis, illustratio: 7 (1835)
Euryporus cavipes (Klotzsch) Quél., Enchiridion Fungorum in Europa media et praesertim in Gallia Vigentium: 163 (1886)
Solenia cavipes (Klotzsch) Kuntze [as 'caripes'], Revis. gen. pl. (Leipzig) 3(3): 522 (1898)
Boletopsis cavipes (Klotzsch) Henn., in Engler & Prantl, Nat. Pflanzenfam., Teil. I (Leipzig) 1(1**): 195 (1898) [1900]
Suillus cavipes (Klotzsch) A.H. Sm. & Thiers, Monogr. North Amer. Species Suillus: 30 (1964)

Paxillus porosus Berk., London J. Bot. 6: 314 (1847)
Boletinus porosus (Berk.) Peck, Bull. N.Y. St. Mus. 2(no. 8): 79 (1889)
Boletus porosus (Berk.) Sacc., Syll. Fung. (Abellini) 9: 160 (1891)
Boletinellus porosus (Berk.) Snell, Mycologia 37(3): 384 (1945)

Boletinus cavipes var. aureus Rolland, Bull. Soc. Mycol. France 4(3): 139 (1889) [1888]
Boletinus cavipes f. aureus (Rolland) Singer, Revue Mycol., Paris 3(3): 167 (1938)
Suillus cavipes var. aureus (Rolland) Bellù, Per non confondere i funghi-Um die Pilze nicht zu verwechseln: 503 (2014)

Position in classification:
Suillus, Suillaceae, Boletales, Agaricomycetidae, Agaricomycetes, Basidiomycota, Fungi

Note:
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