About Caloboletus conifericola Vizzini
Caloboletus conifericola has a grayish-brown to olive gray cap that measures roughly 7 to 25 centimeters (3 to 10 inches) across. Its stipe is 5 to 15 centimeters (2 to 10 inches) long, and 1 to 2 inches wide at the top. When young, the stipe is wider at the base, and it becomes roughly even in width as the mushroom matures. This species has a yellow pore surface, and its flesh turns blue when bruised or damaged. In terms of habitat and ecology, Caloboletus conifericola grows in moss and leaf litter beneath conifer trees, most notably grand fir and western hemlock. It produces fruiting bodies in early fall, shortly after the first seasonal rains arrive.