Common Names: Xerocomellus genus
This is a catch-all for unidentified fungi in the Xerocomellus genus, which can be difficult to separate based on photograph alone. In the family Boletaceae, they have pores instead of gills. Members of the genus have small to medium-size fruit bodies with more slender stipes compared with other boletes. They are often brightly colored. The caps are dry and do not become sticky when wet. Their cuticle tissue is a palisadoderm, comprising parallel or roughly parallel hypha arranged in an anticlinal fashion. The tubes are generally yellow and adnate or slightly decurrent. The pores are also yellow and quite large, up to 2.5 mm in diameter each and angular in shape. The spores are generally spindle-shaped to oval and have a smooth or striate surface. The spore print is brown or slightly olive-tinged when fresh. Xerocomellus species form mycorrhizal associations with coniferous and deciduous trees.