text:  First described as Agaricus <unk> by Swedish mycologist Elias Magnus Fries in 1838 , it was assigned its current name in 1872 by Lucien Quélet . Mycena galericulata var. calopus ( named by Karsten in 1879 ) , and its basionym Agaricus <unk> var. calopus ( named by Fries in 1873 ) , are synonyms . 
  