Synonymy:
Agaricus penarius (Fr.) Staude, Schwämme Mitteldeutschl. 1: 103 (1857)
Limacium penarium (Fr.) Wünsche, Die Pilze: 118 (1877)

Position in classification:
Hygrophorus, Hygrophoraceae, Agaricales, Agaricomycetidae, Agaricomycetes, Basidiomycota, Fungi

Note:
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