Synonymy:
Rostkovites brevipes (Peck) Murrill, Lloydia 11: 20 (1948)

Boletus viscosus Frost, Bull. Buffalo Soc. nat. Sci. 2: 101 (1874) [1874-1875]
Boletus brevipes Peck, Ann. Rep. N.Y. St. Mus. nat. Hist. 38: 110 (1885)

Boletus pseudogranulatus Murrill, Bull. Torrey bot. Club 67(1): 63 (1940)
Suillus brevipes var. pseudogranulatus (Murrill) Singer, Farlowia 2(2): 268 (1945)
Suillus pseudogranulatus (Murrill) Murrill, Lloydia 11: 29 (1948)

Suillus brevipes var. aestivalis Singer, Farlowia 2(2): 267 (1945)

Suillus brevipes var. subgracilis A.H. Sm. & Thiers, Monogr. North Amer. Species Suillus: 99 (1964)

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

Note:
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