When sliced vertically down the center the flesh stays primarily white, but with some pink/crimson staining inside the cap. The stems are thicker at the base. 1. Be sure you have a Bolete, an upright mushroom with a stem and with sponge like pores rather than gills under the cap https://martintlymz.blogscribble.com/30115690/the-fact-about-mushroom-for-sale-that-no-one-is-suggesting