- Boletus americanus Peck
- Boletus sibiricus (Singer) A.H.Sm.
- Ixocomus americanus (Peck) E.-J.Gilbert
- Ixocomus sibiricus Singer
- Suillus americanus f. helveticus (Singer) Klofac
- Suillus americanus f. himalayensis (B.Verma & M.S.Reddy) Klofac
- Suillus americanus f. pseudosibiricus Klofac
- Suillus americanus f. sibiricus (Singer) Klofac
- Suillus himalayensis B.Verma & M.S.Reddy
- Suillus sibiricus (Singer) Singer
- Suillus sibiricus subsp. helveticus Singer
Panus conchatus