Macrolepiota mastoidea

Macrolepiota mastoidea is a species of mushroom producing fungus in the family Agaricaceae.^[1][2]

Macrolepiota mastoidea
Scientific classification
Domain:	Eukaryota
Kingdom:	Fungi
Division:	Basidiomycota
Class:	Agaricomycetes
Order:	Agaricales
Family:	Agaricaceae
Genus:	Macrolepiota
Species:	M. mastoidea
Binomial name
Macrolepiota mastoidea (Fr.) Singer, 1951
Synonyms
Agaricus mastoideus Fr., 1821 Lepiota mastoidea (Fr.) P. Kumm., 1871 Lepiota excoriata subsp. mastoidea (Fr.) Quél.1888 Leucocoprinus mastoideus (Fr.) Singer 1939 Lepiotophyllum mastoideum (Fr.) Locq., 1942 Agaricus gracilentus Krombh., 1836 Lepiota rickenii Velen., 1939 Lepiota excoriata var. konradii Huijsman, 1943 Lepiota konradii Huijsman ex P.D. Orton, 1960

Macrolepiota mastoidea Mycological characteristics
	Gills on hymenium
	Cap is umbonate or flat
	Hymenium is free
	Stipe has a ring
	Spore print is white to cream
	Ecology is saprotrophic
	Edibility is edible

Taxonomy

It was first described by many mycologists throughout the 1800s and classified variously as Agaricus gracilentus, Agaricus mastoideus, Agaricus umbonatus with each synonym then undergoing its own extensive period of reclassification.^[1] It got its current name Macrolepiota mastoidea in 1951 when classified by the German mycologist Rolf Singer.^[3]

Description

It grows up to 15 centimetres (6 in) wide and tall. The cap is white with brown scales in the center. The stem has a ring and is enlarged at the base.^[4]

Similar species

It can appear similar to some toxic Chlorophyllum species.^[5]

Habitat and distribution

This species is found in Europe^[5] from August to November.^[4]

Edibility

The species is reported to be edible, sans the tough stem,^[4] but it can appear similar to some toxic species.^[5]