Extract from Wikipedia article: Calocybe gambosa, commonly known as St. George's mushroom, is an edible mushroom that grows mainly in fields, grass verges and roadsides. Deriving its common name from when it first appears in the UK, namely on St George's Day (23 April). It appears in March in Italy, a warmer country where it is also a popular mushroom to eat, and is known there as marzolino. It is also popular in Northern Spain and Southern France, in the Basque Country region and its surroundings where it appears in April. In these regions it is usually eaten sautéed with egg or with bacon.
AI-generated description
Calocybe gambosa is a species of mushroom that grows in fields, meadows, and other grassy areas. In St. Petersburg, Leningrad Oblast, and north-western Russia, it typically fruits from May to July, forming dense clusters of small to medium-sized mushrooms with yellowish-brown to golden-brown caps and white stems. The fungus is common in the region's fertile soils and can be found in urban parks and rural areas, often near trees or in areas with rich soil nutrients.
St. George's mushrooms (Calocybe gambosa) on mushroom show in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 28, 2017 Aptekarskiy pr., 3, Sankt-Peterburg, Russia, 197022
St. George's mushrooms (Calocybe gambosa) in Sosnovka Park. Saint Petersburg, Russia, June 11, 2017 ul. Zhaka Dyuklo, 67, Sankt-Peterburg, Russia, 194214
St. George's mushrooms (Calocybe gambosa) near the Gulf in area of Lisiy Nos, west from Saint Petersburg. Russia, June 12, 2017
Group of St. George's mushrooms (Calocybe gambosa) near Lisiy Nos, west from Saint Petersburg. Russia, June 12, 2017
St. George's mushroom (Calocybe gambosa) near the Gulf in area of Lisiy Nos, west from Saint Petersburg. Russia, June 12, 2017
St. George's mushrooms (Calocybe gambosa) near Kavgolovskoe Lake in area of Toksovo, north from Saint Petersburg, Russia, June 16, 2017 Dachnaya ul., Leningradskaya oblast', Russia, 188664
Group of St. George's mushrooms (Calocybe gambosa) on roadside near Kavgolovskoe Lake in area of Toksovo, north from Saint Petersburg, Russia, June 16, 2017 Dachnaya ul., Leningradskaya oblast', Russia, 188664
St. George's mushrooms (Calocybe gambosa) in Sosnovka Park. Saint Petersburg, Russia, June 22, 2017 Svetlanovskiy pr., 49, Sankt-Peterburg, Russia
St. George's mushrooms (Calocybe gambosa) on roadside near Kavgolovskoe Lake, between Oselki and Toksovo, north from Saint Petersburg. Russia, June 28, 2017 Dachnaya ul., Leningradskaya oblast', Russia, 188664
St. George's mushrooms (Calocybe gambosa) on a lawn at Svetlanovsky Prospect. Saint Petersburg, Russia, May 27, 2019
St. George's mushrooms (Calocybe gambosa) in Sosnovka Park. Saint Petersburg, Russia, May 27, 2019 Unnamed Road, Sankt-Peterburg, Russia, 194354
St. George's mushrooms (Calocybe gambosa) in Gardens of Polytechnic Institute. Saint Petersburg, Russia, May 29, 2019 Politekhnicheskaya Ulitsa, 29 корпус 12, Sankt-Peterburg, Russia, 195251
Underside of St. George's mushrooms (Calocybe gambosa) in Sosnovka Park. Saint Petersburg, Russia, May 30, 2019
Group of St. George's mushrooms (Calocybe gambosa) in Sosnovka Park. Saint Petersburg, Russia, May 30, 2019
St. George's mushrooms (Calocybe gambosa) in Sosnovka Park. Saint Petersburg, Russia, May 30, 2019
St. George's mushrooms (Calocybe gambosa) in Gardens of Polytechnic Institute. Saint Petersburg, Russia, May 30, 2021 Politekhnicheskaya Ulitsa, 29 корпус 12, Sankt-Peterburg, Russia, 195251
Young St. George's mushrooms (Calocybe gambosa) in Gardens of Polytechnic Institute. Saint Petersburg, Russia, May 30, 2021 Politekhnicheskaya Ulitsa, 29 корпус 12, Sankt-Peterburg, Russia, 195251
St. George's mushrooms (Calocybe gambosa) on a lawn in Gardens of Polytechnic Institute. Saint Petersburg, Russia, May 30, 2021 Политехническая ул., 29, Sankt-Peterburg, Russia, 194064
AI-generated summary of observations
Observations of Calocybe gambosa in Leningrad Oblast and north-western Russia show that the fungus grows in various locations, including parks, gardens, lawns, and roadsides. In Sosnovka Park, Saint Petersburg, the mushrooms were found on multiple occasions between June 11, 2017, and May 30, 2019. They also appeared in other areas of Saint Petersburg, such as the Botanic Gardens of Komarov Botanical Institute and the Gardens of Polytechnic Institute. Outside the city, they were spotted near Lisiy Nos, Kavgolovskoe Lake, and Toksovo. The mushrooms typically grew in groups, with some observations noting their presence on roadsides and lawns. The fungus was observed during May and June, suggesting a specific growth period in the region. Repeat observations at the same locations over multiple years indicate that Calocybe gambosa is a recurring species in these areas.
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Search of mushroom species for given keywords "Calocybe gambosa" was done through
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