Austroboletus subflavidus (Murr.) Wolf syn. Porphyrellus subflavidus (Murr.) Singer Cap 4-1l cm across, convex; pale cream, yellowish buff to clay, with a pink tint when old. Tubes pale grayish white with a vinaceous tint. Pores rather wide; concolorous with tubes. Stem 45-145 x 7-30mm, long, tapering; pallid yellowish white; with remarkable raised reticulation of 3-4mm deep flaps of tissue almost like wrinkled gills. Flesh pure white, in base of stem usually rich yellow, not changing on cutting. Odor slight, fruity. Taste rather bitter. Spores ellipsoid, 14.5-18(20) x 6.5-8.3(8.8)µ, with a slightly crenulate outline, with thin cylindric spines. Deposit reddish brown. Habitat on sandy soil under oak. Very southern in distribution, Florida and in the south New Jersey pine barrens. Season June-October. Edibility not known but too bitter to eat.