[1] It was described as new to science in 2014 and classified as Cortinarius pallidirimosus from specimens collected in Finland.

[2] In 2022 the species was transferred from Cortinarius and reclassified as Thaxterogaster pallidirimosus based on genomic data.

[3] Fruitbodies are distinguished in the field by their cream-coloroured caps with hygrophanous streaks, the honey-like odor of the flesh, and the association with birch.

[2] The specific epithet pallidirimosus refers to the pale, streaked cap.

[2] The fungus is found throughout Fennoscandia, in Russia, and in Oregon (United States).