Synonymy:
Agaricus nympharum Kalchbr., Icon. Sel. Hymenomyc. Hung. (Budapest) 1: 10, tab. 2 (1873)
Lepiota nympharum (Kalchbr.) Kalchbr., Fungi Sibiria America Austr.: 7 (1879)
Leucoagaricus nympharum (Kalchbr.) Bon, Docums Mycol. 7(nos 27-28): 19 (1977)
Macrolepiota nympharum (Kalchbr.) Wasser, Agarikovye Griby SSSR (Kiev): 114 (1985)

Agaricus rhacodes var. puellaris Fr., Monogr. Hymenomyc. Suec. (Upsaliae) 2(2): 285 (1863)
Lepiota puellaris (Fr.) P. Karst., Bidr. Känn. Finl. Nat. Folk 32: 8 (1879)
Lepiota rhacodes var. puellaris (Fr.) Sacc., Syll. Fung. (Abellini) 5: 29 (1887)
Lepiota procera var. puellaris (Fr.) Massee, Brit. Fung.-Fl. (London) 3: 235 (1893)
Lepiota rhacodes subsp. puellaris (Fr.) Sacc., Syll. Fung. (Abellini) 12: 985 (1897)
Lepiotophyllum rhacodes var. puellaris (Fr.) Locq., Bull. mens. Soc. linn. Soc. Bot. Lyon 11: 40 (1942)
Leucocoprinus puellaris (Fr.) Locq., Bull. mens. Soc. linn. Soc. Bot. Lyon 14: 91 (1945)
Macrolepiota puellaris (Fr.) M.M. Moser, in Gams, Kl. Krypt.-Fl., Edn 3 (Stuttgart) 2b/2: 184 (1967)

Position in classification:
Leucoagaricus, Agaricaceae, Agaricales, Agaricomycetidae, Agaricomycetes, Basidiomycota, Fungi

Note:
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