Suillus kaibabensis is a hardyyellow member of the genus Suillus. While yellow is the primary color, it can also include brown and white tones in varying degrees as well. This mushroom has a stem around 2–4 cm long, and 1–2 cm thick. The cap is broad and convex to flat, typical of many species of boletes. The stipe is bare, spotted with olive brown and can be reddish-brown at the base. The pores are yellowish-brown that can turn a salmon color with age.
Taxonomy
This species was first described by Harry D. Thiers in 1978. This species bears close resemblance to Suillus granulatus. The species has a very common look to other Suillus, and is rather difficult to tell apart other than the close association with Ponderosa pine. An easy identifier to use for Suillus is .