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Egghead Mottlegill

Egghead Mottlegill

Panaeolus semiovatus

Photo: Jörg Hempel

Habitat

Grassland

This mushroom is commonly found growing on dung, particularly cow pies and horse manure.

Photos

Appearance

Cap
2 to 6 centimeters wide, egg-shaped or bell-shaped, rarely expanding; surface is white to clay-colored, turning yellowish at the center; texture is slimy or greasy when moist, becoming shiny when dry; edge may have remaining fragments of the veil.
Stem
50 to 100 millimeters long and 4 to 8 millimeters thick, slightly wider at the base; color is whitish; features a persistent, white, skin-like ring that may be blackened by spores.
Gills
Broadly attached; initially whitish, later turning dark brown to black through development, often with edges that remain white.
Flesh
Whitish color throughout the cap and yellowish within the stem.
Spore print
Black.

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Edibility

Not edible

While considered non-edible by some, others note it may be edible despite its substrate. It is characterized by an egg-shaped cap and a persistent ring on the stem, though it can be confused with the smaller Panaeolus papilionaceus which features a darker cap and shaggy veil remnants.

Misidentification can be fatal. Never eat a mushroom unless you're 100% sure. This information may be inaccurate. Always consult multiple sources.

Nutrient Source

Saprotrophic

This mushroom obtains nutrients by decomposing dead organic matter, typically found in its environment.

Common Names

Basque
orribeltz arrautzerdi, orribeltz arraultzerdi
Danish
Ring-glanshat
Dutch
Geringde vlekplaat, geringde vlekplaat
English
Egghead Mottlegill, Shiny Mottlegill
Finnish
kauluskirjoheltta
German
Ring-Düngerling
Norwegian Bokmål
gjødselringsopp
Norwegian Nynorsk
gjødselringsopp
Spanish
paneolo anillado, Paneolo anillado
Swedish
ringbroking, ringbrokskivling
Welsh
Brithdegyll Wyffurf

Synonyms

  • Agaricus ciliaris
  • Agaricus egregius
  • Agaricus fimiputris
  • Agaricus nutans
  • Agaricus phalenarum
  • Agaricus semiovatus
  • Agaricus separatus
  • Amanita separata
  • Anellaria fimiputris
  • Anellaria fimiputris
  • Anellaria phalenarum
  • Anellaria semiovata
  • Anellaria separata
  • Chalymmota phalenarum
  • Coprinarius phalenarum
  • Coprinarius separatus
  • Coprinus ciliaris
  • Coprinus ciliatus
  • Coprinus semiovatus
  • Panaeolus egregius
  • Panaeolus fimiputris
  • Panaeolus phalenarum
  • Panaeolus separatus
  • Panaeolus separatus
  • Pholiota separata
  • Stropharia separata