Inkcap mushrooms Coprinopsis strossmayeri in Sosnovka Park. Saint Petersburg, Russia, June 18, 2017
Unnamed Road, Sankt-Peterburg, RussiaSynonyms: Coprinus populicola, Coprinus strossmayeri.
Russian name: Navoznik Shtrossmayera.
Coprinopsis strossmayeri is a species of fungus that belongs to the family Psathyrellaceae. It has been found in St. Petersburg and Leningrad Oblast, typically growing on rich soil, dung, or decaying organic matter. In north-western Russia, it tends to fruit in late summer to early autumn, often in clusters or rings. The cap is 2-5 cm in diameter, bell-shaped to conical, and initially covered with fine white veil remnants, later becoming smooth and brown to greyish-brown. The gills are crowded, free, and turn black as the spores mature.
Inkcap mushrooms Coprinopsis strossmayeri in Sosnovka Park. Saint Petersburg, Russia, June 18, 2017Unnamed Road, Sankt-Peterburg, Russia
Blackening caps of inkcap mushrooms Coprinopsis strossmayeri in Sosnovka Park. Saint Petersburg, Russia, June 18, 2017Unnamed Road, Sankt-Peterburg, Russia
Young inkcap mushrooms Coprinopsis strossmayeri in Sosnovka Park. Saint Petersburg, Russia, June 18, 2017ul. Zhaka Dyuklo, 67, Sankt-Peterburg, Russia, 194214
Cluster of inkcap mushrooms Coprinopsis strossmayeri in Sosnovka Park. Saint Petersburg, Russia, June 18, 2017ul. Zhaka Dyuklo, 67, Sankt-Peterburg, Russia, 194214
Large cluster of inkcap mushrooms Coprinopsis strossmayeri in Sosnovka Park. Saint Petersburg, Russia, June 18, 2017ul. Zhaka Dyuklo, 67, Sankt-Peterburg, Russia, 194214
Masses of inkcap mushrooms Coprinopsis strossmayeri in Sosnovka Park. Saint Petersburg, Russia, June 18, 2017ul. Zhaka Dyuklo, 67, Sankt-Peterburg, Russia, 194214
Decomposing inkcap mushrooms Coprinopsis strossmayeri in Sosnovka Park. Saint Petersburg, Russia, June 18, 2017ul. Zhaka Dyuklo, 67, Sankt-Peterburg, Russia, 194214
Large cluster of inkcap mushrooms Coprinopsis strossmayeri growing in grass in Sosnovka Park. Saint Petersburg, Russia, June 18, 2017ul. Zhaka Dyuklo, 67, Sankt-Peterburg, Russia, 194214
Inkcap mushrooms Coprinopsis strossmayeri in Sosnovka Park. Saint Petersburg, Russia, June 22, 2017Unnamed Road, Sankt-Peterburg, Russia
Decomposed inkcap mushrooms Coprinopsis strossmayeri in Sosnovka Park. Saint Petersburg, Russia, June 22, 2017ul. Zhaka Dyuklo, 67, Sankt-Peterburg, Russia, 194214
Inkcap mushrooms Coprinopsis strossmayeri behind Na Privale Restaurant in Sosnovka Park. Saint Petersburg, Russia, June 22, 2017ul. Zhaka Dyuklo, 67, Sankt-Peterburg, Russia, 194214
Inkcap mushrooms Coprinopsis strossmayeri on a tree utilization site in Sosnovka Park. Saint Petersburg, Russia, June 25, 2017Unnamed Road, Sankt-Peterburg, Russia
Inkcap mushrooms Coprinopsis strossmayeri on a tree utilization site in Sosnovka Park. Saint Petersburg, Russia, June 29, 2017ul. Zhaka Dyuklo, 67, Sankt-Peterburg, Russia, 194214
Inkcap mushrooms Coprinopsis strossmayeri in grass on a tree utilization site in Sosnovka Park. Saint Petersburg, Russia, June 29, 2017ul. Zhaka Dyuklo, 67, Sankt-Peterburg, Russia, 194214
Inkcap mushrooms Coprinopsis strossmayeri behind Na Privale Restaurant in Sosnovka Park. Saint Petersburg, Russia, July 12, 2017ul. Zhaka Dyuklo, 67, Sankt-Peterburg, Russia, 194214In Leningrad Oblast and north-western Russia, specifically in Sosnovka Park, observations of the fungus Coprinopsis strossmayeri revealed a thriving presence. The mushrooms were found growing in clusters, sometimes in large masses, in grassy areas and on tree utilization sites between June 18 and July 12, 2017. Various stages of growth were observed, including young mushrooms, blackening caps, and decomposing specimens. The fungi were seen growing behind the Na Privale Restaurant, on tree utilization sites, and in other areas of the park. Repeated observations over several weeks showed the persistence of the species in the area, with new growth appearing even as earlier mushrooms decomposed. Overall, Coprinopsis strossmayeri appeared to be a common and widespread species in Sosnovka Park during this period. The fungus seemed to thrive in the local environment, producing multiple generations over the course of several weeks.
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