Slippery Jack mushroom (Suillus luteus, Maslionok in Russian) on roadside near Lembolovo, 45 miles north from Saint Petersburg. Russia, August 27, 2013
Unnamed Road, Leningradskaya oblast', Russia, 188695Synonyms: Boletopsis lutea, Boletus luteus, Boletus volvatus, Cricunopus luteus, Ixocomus luteus, Viscipellis luteus.
Common name: slippery Jack.
Russian names: Maslionok nastoyashchiy, Maslionok obyknovennyy, Maslionok zhioltyy, Maslionok pozdniy, Maslionok osenniy.
Extract from Wikipedia article: Suillus luteus is a bolete fungus, and the type species of the genus Suillus. A common fungus native to Eurasia, from the British Isles to Korea, it has been introduced widely elsewhere, including North and South America, southern Africa, Australia and New Zealand. Commonly referred to as slippery jack or sticky bun in English-speaking countries, its names refer to the brown cap, which is characteristically slimy in wet conditions. The fungus, initially described as Boletus luteus by Carl Linnaeus in 1753, is now classified in a different family as well as genus. Suillus luteus is edible, though not as highly regarded as other bolete mushrooms, and is commonly prepared and eaten in soups, stews or fried dishes. The slime coating, however, may cause indigestion if not removed before eating.
Suillus luteus is a species of bolete fungus characterized by its yellow-brown cap and yellow pores. In St. Petersburg and Leningrad Oblast, it typically grows in association with Scots pine, often found in sandy soils and coniferous forests. In north-western Russia, Suillus luteus fruits from July to October, with peak abundance in August and September. It is a common species in the region, particularly in areas with mature pine stands.
Slippery Jack mushroom (Suillus luteus, Maslionok in Russian) on roadside near Lembolovo, 45 miles north from Saint Petersburg. Russia, August 27, 2013Unnamed Road, Leningradskaya oblast', Russia, 188695
Slippery Jack mushrooms (Suillus luteus) in Okhtinsky Park near Toksovo, suburb of Saint Petersburg. Russia, August 29, 2013Glavnaya, 107, Syargi, Leningradskaya oblast', Russia, 188664
Slippery Jack mushrooms (Suillus luteus, Maslionok in Russian) in Orekhovo, north from Saint Petersburg. Russia, August 17, 2016Unnamed Road, Vaskelovo, Leningradskaya oblast', Russia, 188731
Slippery Jack mushrooms (Suillus luteus) north from Lembolovo, 40 miles north from Saint Petersburg. Russia, September 9, 2017Unnamed Road, Leningradskaya oblast', Russia, 188695
Slippery Jack mushrooms (Suillus luteus) near Kavgolovskoe Lake in Toksovo, north from Saint Petersburg. Russia, September 5, 2018Unnamed Road, Leningradskaya oblast', Russia, 188664
Slippery Jack mushrooms (Suillus luteus) on a side of a road around Kavgolovo Lake between Oselki and Toksovo, north from Saint Petersburg. Russia, August 13, 2024Токсовское городское поселение, Всеволожский район, Ленинградская область, Северо-Западный федеральный округ, РоссияObservations of Suillus luteus in Leningrad Oblast and north-western Russia reveal that the fungus is commonly found in the region. It has been spotted on roadsides, such as near Lembolovo, 45 miles north of Saint Petersburg, and around Kavgolovo Lake between Oselki and Toksovo. The mushroom also grows in parks, like Okhtinsky Park near Toksovo, and in wooded areas, including Orekhovo, north of Saint Petersburg. The observations were made over several years, from 2013 to 2024, during the months of August and September, suggesting that Suillus luteus is a summer-to-early-fall species in this region. The fungus appears to be widespread, with sightings recorded at various locations, indicating its adaptability to different environments. Its growth habits and distribution patterns are consistent across the observed areas.
Russian web-forums Planeta Gribov, V Kontakte, and Griby Sredney Polosy for learning names of local mushrooms.
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