On the cap underside, the pore surface are initially white, but turn pale pink as the spores mature.

Spores are smooth, oblong to elliptical, hyaline (translucent) to pale yellow, and measure 11–13.5 by 3.5–4.5 μm.

[7] The widely distributed bolete Tylopilus felleus is similar in appearance to T. rhoadsiae, but has a very bitter taste, and a darker cap.

[8] Fruit bodies of Tylopilus rhoadsiae grow scattered or in groups on the ground under pine and oak trees.

The bolete is found in the eastern United States in a range extending from New Hampshire south to Florida, and west to Texas.