White King Bolete

  • cap is suede-like, lacks a skin layer
  • underside of cap has tiny, round pores
  • pores are white, then yellowish in age
  • pores and flesh do not discolor when cut
  • top of stem has white, net-like pattern
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Look-alikes in California

The inedibly bitter Caloboletus marshii differs in that the stem is yellow and lacks reticulation. In addition, all parts of the mushroom discolor to blue when cut. Whitish specimens of the edible Boletus edulis can also have a similar appearance, but differ in that the cap is shinier and has a skin layer.