Giant funnel-shaped roll-rim mushrooms Paxillus ammoniavirescens(?) in Lisiy Nos, 5 miles west from Saint Petersburg. Russia, August 5, 2016
Polyanskaya dor., g. Sankt-Peterburg, Russia, 197755Russian name: Svinushka ammiachnaya.
Paxillus ammoniavirescens is a species of fungus that belongs to the family Paxillaceae. It has been found in St. Petersburg and Leningrad Oblast, where it typically grows on nutrient-rich soil, often in association with deciduous trees such as birch and alder. In north-western Russia, this fungus is commonly encountered in urban and suburban areas, including parks and gardens, where it can form mycorrhizal relationships with various tree species. The fruiting bodies of Paxillus ammoniavirescens are characterized by a funnel-shaped cap that ranges in color from greenish-yellow to brown, and a stipe that is often curved or bent.
Giant funnel-shaped roll-rim mushrooms Paxillus ammoniavirescens(?) in Lisiy Nos, 5 miles west from Saint Petersburg. Russia, August 5, 2016Polyanskaya dor., g. Sankt-Peterburg, Russia, 197755
Oyster rollrim mushrooms Paxillus ammoniavirescens(?) in Blizhnie Dubki area near Lisiy Nos, west from Saint Petersburg. Russia, September 21, 2017Polyanskaya Doroga, Sankt-Peterburg, Russia, 197755
Large roll-rim mushrooms Paxillus ammoniavirescens(?)(?) near Lisiy Nos, west from Saint Petersburg. Russia, September 1, 2018Saint Petersburg, Russia, 197755
Large roll-rim mushrooms Paxillus ammoniavirescens(?)(?) together with Melanophyllum haematospermum (in left upper corner) near Lisiy Nos, west from Saint Petersburg. Russia, September 1, 2018Saint Petersburg, Russia, 197755Observations of Paxillus ammoniavirescens in Leningrad Oblast and north-western Russia revealed the presence of giant funnel-shaped roll-rim mushrooms in various locations. In Lisiy Nos, 5 miles west of Saint Petersburg, they were found on August 5, 2016. Similar oyster rollrim mushrooms were observed in Blizhnie Dubki area near Lisiy Nos on September 21, 2017. Large roll-rim mushrooms were also spotted near Lisiy Nos on September 1, 2018, with some growing alongside Melanophyllum haematospermum. The repeated sightings in this region suggest that Paxillus ammoniavirescens may be relatively common in the area. The mushrooms were found in late summer to early fall, specifically in August and September. The observations provide insight into the habitat and growth patterns of this fungus in north-western Russia. Multiple sightings in the same general area indicate a possible preference for specific environmental conditions.
Russian web-forums Planeta Gribov, V Kontakte, and Griby Sredney Polosy for learning names of local mushrooms.
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