About Pseudoboletus parasiticus (Bull.) Šutara
This species, Pseudoboletus parasiticus (Bull.) Šutara, has a cap that is hemispherical when young and becomes flat with age. The cap is yellowish brown or darker, and can grow up to 6 centimetres (2+1⁄4 inches) wide. Its yellow stem is 3–7 cm (1–3 in) tall and 6–15 millimetres (1⁄4–5⁄8 in) thick. The flesh is pale yellow, and its spore print is olive brown. This fungus can be found growing on Scleroderma citrinum earthballs in eastern North America, from July to September.