Synonymy: Hypholoma longinqua(Singer) E. Horak, Arctic and Alpine Mycology, First International Symposium on Arcto-Alpine Mycology, 1980 (Seattle): 104 (1982)
Position in classification: Hymenogastraceae, Agaricales, Agaricomycetidae, Agaricomycetes, Basidiomycota, Fungi