Boletinus/Suillus cavipes mushrooms in Lindulovskaya Larch Grove, near Roshchino, 30 miles north-west from Saint Petersburg. Russia, August 29, 2017Synonyms: Boletinus cavipes, Boletinus porosus, Boletopsis cavipes, Boletus cavipes, Boletus porosus, Euryporus cavipes, Paxillus porosus.
Common name: hollow bolete.
Russian names: Maslionok polonozhkovyy, Boletin polonozhkovyy, Reshetnik polonozhkovyy, Mokhovik polnonozhkovyy.
Extract from Wikipedia article: Suillus cavipes is an edible species of mushroom in the genus Suillus. It is found in Europe and North America.
Suillus cavipes is a species of bolete fungus that grows in association with coniferous trees, particularly pine. In St. Petersburg and the surrounding Leningrad Oblast, it can be found in sandy soils beneath Scots pine. The fungus has a pale to yellowish-brown cap and a hollow stem. It fruits from summer to autumn. In north-western Russia, Suillus cavipes is considered a rare species, with scattered records in the region's coniferous forests, often in areas with acidic soils and low levels of disturbance.
Boletinus/Suillus cavipes mushrooms in Lindulovskaya Larch Grove, near Roshchino, 30 miles north-west from Saint Petersburg. Russia, August 29, 2017
Boletinus/Suillus cavipes mushrooms in cross section in Lindulovskaya Larch Grove, near Roshchino, 30 miles north-west from Saint Petersburg. Russia, August 29, 2017
Mature mushroom Boletinus/Suillus cavipes in Lindulovskaya Larch Grove, near Roshchino, 30 miles north-west from Saint Petersburg. Russia, September 4, 2018
Mushrooms Boletinus/Suillus cavipes in Lindulovskaya Larch Grove, near Roshchino, 30 miles north-west from Saint Petersburg. Russia, September 4, 2018
Mushrooms Boletinus/Suillus cavipes under wooden stairs in Lindulovskaya Larch Grove, near Roshchino, 30 miles north-west from Saint Petersburg. Russia, September 4, 2018
Boletinus/Suillus cavipes mushrooms on roadside east from Lindulovskaya Larch Grove, near Roshchino, 30 miles north-west from Saint Petersburg. Russia, September 30, 2025
Underside of Boletinus/Suillus cavipes mushrooms east from Lindulovskaya Larch Grove, near Roshchino, 30 miles north-west from Saint Petersburg. Russia, September 30, 2025
Upper and lower surface of Boletinus/Suillus cavipes mushrooms east from Lindulovskaya Larch Grove, near Roshchino, 30 miles north-west from Saint Petersburg. Russia, September 30, 2025
Pore surface Boletinus/Suillus cavipes mushrooms east from Lindulovskaya Larch Grove, near Roshchino, 30 miles north-west from Saint Petersburg. Russia, September 30, 2025
Section of Boletinus/Suillus cavipes mushrooms east from Lindulovskaya Larch Grove, near Roshchino, 30 miles north-west from Saint Petersburg. Russia, September 30, 2025
Spores (in KOH) of Boletinus/Suillus cavipes mushrooms collected earlier 9/30/2025 near Lindulovskaya Larch Grove, near Roshchino, 30 miles north-west from Saint Petersburg. Russia, October 19, 2025Observations of Suillus cavipes in Leningrad Oblast and north-western Russia reveal that the fungus grows in association with larch trees, specifically in the Lindulovskaya Larch Grove near Roshchino. The mushrooms were found on August 29, 2017, and September 4, 2018, indicating a possible annual growth pattern. Cross-sections of the mushrooms showed typical characteristics of the species. Mature specimens were observed, as well as younger ones growing under wooden stairs, suggesting that the fungus can thrive in shaded, protected areas. The consistent presence of Suillus cavipes in this location over multiple years suggests a stable mycorrhizal relationship with the larch trees. The observations provide insight into the habitat and growth patterns of Suillus cavipes in north-western Russia. Further study could reveal more about the ecological role of this fungus in the region.
Russian web-forums Planeta Gribov, V Kontakte, and Griby Sredney Polosy for learning names of local mushrooms.
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