Boletaceae

Xanthoconium
     Xanthoconium affine (Peck) Singer
     Xanthoconium affine (Peck) Singer var. affine
     Xanthoconium affine var. maculosus (Peck) Singer
     Xanthoconium affine var. reticulatum (A.H.Sm.) Wolfe
     Xanthoconium montaltoense Wolfe
     Xanthoconium purpureum Snell & E.A.Dick
     Xanthoconium separans (Peck) Halling & Both
     Xanthoconium Singer
     Xanthoconium stramineum (Murrill) Singer