Abstract: This checklist relies primarily on records from the 2000 publication of Alan E. Bessette, William C. Roody, and Arleen R. Bessette,
North American Boletes: A Color Guide to the Fleshy Pored Mushrooms (Syracuse University Press, Syracuse), and is supplemented by Harry D. Thiers' 1975 pulbication
California Mushrooms: A Field Guide to the Boletes (Hafner Press, New York). Additional sources are also cited (select 'Notes & Vouchers' under 'Options' to view the citations). More information on boletoid mushrooms can be found at Roy Halling's 'Boletineae' website here
http://sweetgum.nybg.org/boletineae/index.php.