22 November 2022 Farnham Cemetery, Surrey. Photograph copyright Leif Goodwin. Smell Faint, pleasant Taste Pleasant, mushroomy Distribution Infrequent Habitat On soil in park and grassland, sometimes on compost heaps and rotten manure Edibility Edible, excellent Notes This is the species that is cultivated commercially and sold in shops in Britain, either as button mushrooms when young, or open cap mushrooms when mature. More recently shops have been selling mature specimens as Portobello mushrooms. Young specimens with brown caps are often sold as chestnut mushrooms. 
Spores in Congo Red solution viewed with a 100X immersion objective. 22 November 2022 Farnham Cemetery, Surrey. Photograph copyright Leif Goodwin. 
Basidia and cystidia in Congo Red solution viewed with a 40X objective. 22 November 2022 Farnham Cemetery, Surrey. Photograph copyright Leif Goodwin. 
Gill edge cystidia in Congo Red solution viewed with a 40X objective. 22 November 2022 Farnham Cemetery, Surrey. Photograph copyright Leif Goodwin. |