Suillus S. F. Gray
Nat. Arr. Brit. Pls. 1: 646. 1821.

Keys and descriptions of the genus Suillus:

• Harry D. Thiers: Boletes of California
• Thiers, H.D. (1975). California Mushrooms--A Field Guide to the Boletes. Hafner Press: New York, NY.
• Smith, A., H. & Thiers, H.D. (1964). A Contribution Toward A Monograph of North American Species of Suillus. Privately Published: Ann Arbor, MI.
• Bessette, A.E., Roody, W.C. & Bessette, A.R. (2000). North American Boletes: A Color Guide to the Fleshy Pored Mushrooms. Syracuse University Press: Syracuse, NY.
• Both, E.E. (1993). The Boletes of North America: A Compendium. Buffalo Museum of Science: Buffalo, NY.
• Snell, W.H. & Dick, E.A. (1970). The Boleti of Northeastern North America. J. Cramer: Lehre.

Suillus species known to occur in California:

1. Suillus acerbus
2. Suillus albidipes
3. Suillus borealis
4. Suillus brevipes
5. Suillus brunnescens
6. Suillus caerulescens
7. Suillus californicus
8. Suillus fuscotomentosus
9. Suillus glandulosipes
10. Suillus granulatus
11. Suillus imitatus
12. Suillus lakei
    1. var. lakei
    2. var. pseudopictus
13. Suillus lithocarpi-sequoiae
14. Suillus luteus
15. Suillus megaporinus
16. Suillus monticolus
17. Suillus ponderosus
18. Suillus pseudobrevipes
19. Suillus punctatipes
20. Suillus pungens
21. Suillus reticulatus
22. Suillus riparius
23. Suillus sibiricus
24. Suillus subolivaceus
25. Suillus tomentosus
26. Suillus umbonatus
27. Suillus volcanalis