Extract from Wikipedia article: Agaricus campestris is a widely eaten gilled mushroom closely related to the cultivated button mushroom Agaricus bisporus. It is commonly known as the field mushroom or, in North America, meadow mushroom.
Field mushrooms Agaricus campestris(?) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 9, 2013 ulitsa Professora Popova, 1/6, Saint Petersburg, Russia, 190000
Field agaric mushrooms Agaricus campestris(?) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 18, 2016
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Search of mushroom species for given keywords "Agaricus campestris" was done through
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