Original Herbarium Label: Cortinarius ahsii McKnight Originally misidentified as Cortinarius colymbadinus Fr. Prof. J. Ammirati (WTU) pointed out to us that Cortinarius colymbadinus has yelow fluorescence in 366 nm UV light all over the sporocarp, whereas C. ahsii only a the base and on the remnants of the veil. [pers. comm. 2016-04-13] Coll.: Ian Gibson & O. Ceska