Orange milkcap mushrooms (Lactarius aurantiacus) in Lomonosov (Oranienbaum). West from Saint Petersburg, Russia, October 11, 2016
Krasnaya al., Lomonosov, g. Sankt-Peterburg, Russia, 198412Synonyms: Agaricus aurantiacus, Agaricus mitissimus, Agaricus testaceus, Galorrheus aurantiacus, Galorrheus mitissimus, Lactarius aurantiofulvus, Lactarius mitissimus, Lactarius subdulcis, Lactifluus aurantiacus, Lactifluus mitissimus.
Common name: orange milkcap.
Russian names: Mlechnik needkiy, Mlechnik oranzhevyy.
Lactarius aurantiacus is a species of milk-cap fungus that grows in association with coniferous trees, particularly spruce and pine. In St. Petersburg and Leningrad Oblast, it is commonly found in moist, acidic soils in forests and heathlands. In north-western Russia, it fruits from late summer to early autumn, typically between August and October. The cap is 3-8 cm in diameter, orange to reddish-orange in color, and often has a velvety texture. The gills are crowded and pale yellow, turning brown with age. The stem is slender and cylindrical, measuring 4-7 cm tall and 0.5-1.5 cm thick. Lactarius aurantiacus is considered edible, but its quality is variable and it may cause gastrointestinal upset in some individuals.
Orange milkcap mushrooms (Lactarius aurantiacus) in Lomonosov (Oranienbaum). West from Saint Petersburg, Russia, October 11, 2016Krasnaya al., Lomonosov, g. Sankt-Peterburg, Russia, 198412
Orange milkcap mushrooms (Lactarius aurantiacus) together with bulbous honey mushrooms (Armillaria gallica) in Posiolok near Vyritsa, south from Saint Petersburg, Russia, October 16, 2016Unnamed Road, Vyritsa, Leningradskaya oblast', Russia, 188381
Orange milkcap mushrooms (Lactarius aurantiacus) in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, September 14, 2017Alleya Chornoy Shlyapy, Pavlovsk, Sankt-Peterburg, Russia
Orange milkcap mushrooms (Lactarius aurantiacus) in a spruce forest in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, September 14, 2017Alleya Chornoy Shlyapy, Pavlovsk, Sankt-Peterburg, Russia
Orange milkcap mushrooms (Lactarius aurantiacus) in a roadside ditch near Kavgolovskoe Lake in Toksovo, north from Saint Petersburg. Russia, September 5, 2018Unnamed Road, Leningradskaya oblast', Russia, 188664Observations of Lactarius aurantiacus in Leningrad Oblast and north-western Russia reveal its presence in various locations. In Lomonosov, the fungus was found on October 11, 2016. It was also observed in Posiolok near Vyritsa, co-occurring with Armillaria gallica, on October 16, 2016. In Pavlovsk Park, a suburb of Saint Petersburg, the fungus was found on September 14, 2017, in both general park areas and specific spruce forests. Additionally, it was spotted in a roadside ditch near Kavgolovskoe Lake in Toksovo, north of Saint Petersburg, on September 5, 2018. These sightings indicate that Lactarius aurantiacus can thrive in different environments within the region, including urban parks and natural areas. The fungus appears to be relatively common in the area, with observations spanning multiple years and locations.
Russian web-forums Planeta Gribov, V Kontakte, and Griby Sredney Polosy for learning names of local mushrooms.
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