Leucoagaricus nympharum

Leucoagaricus nympharum is a species of fungus in the family Agaricaceae.

Taxonomy
Originally classified as Agaricus nympharum by the Hungarian mycologist Károly Kalchbrenner in 1873 and reclassified as Leucoagaricus nympharum by the French mycologist Marcel Bon in 1977.

Description
Leucoagaricus nympharum is a large white dapperling mushroom with a distinctive scaly cap which resembles that of Chlorophyllum rhacodes only with a smaller, 4-10cm cap and a more starkly white colour. Despite its distinctive appearance it is seldom recorded and little known.