 "Boletus reticulatus" is classified in "Boletus" section "Boletus", alongside close relatives such as "B. aereus", "B. edulis", and "B. pinophilus".A genetic study of the four European species found that "B. reticulatus" was sister to "B. aereus".More extensive testing of worldwide taxa revealed that "B. reticulatus" was most closely related to two lineages that had been classified as "B. edulis" from southern China and Korea/northern China respectively.