Rubi bolete mushrooms (Hortiboletus rubellus) behind a memorial in Gardens of Polytechnic Institute. Saint Petersburg, Russia, July 29, 2017Synonyms: Boletus caribaeus, Boletus fraternus, Boletus rubellus, Boletus rubeus, Boletus sanguineus, Boletus versicolor, Leucobolites rubellus, Suillus rubellus, Suillus rubeus, Suillus sanguineus, Suillus versicolor, Tubiporus rubellus, Versipellis pruinata, Viscipellis sanguinea, Xerocomellus rubellus, Xerocomus versicolor.
Common name: ruby bolete.
Russian names: Mokhovik krasnyy, Mokhovik krasneiushchiy, Mokhovik krasnovatyy, Bolet krasnyy, Borovik krasnyy, Borovik krasneiushchiy.
Extract from Wikipedia article: Hortiboletus rubellus, commonly known as the ruby bolete, is a small, dainty, brightly coloured member of the family Boletaceae, with a reddish cap and stipe, and yellow pores. Like many boletes, it stains blue when cut or bruised. It is found in deciduous woodland in autumn. There is some question over its edibility, and it is reportedly of poor quality with a taste of soap. Until 2015, the species was known as Boletus rubellus.
Hortiboletus rubellus is a small to medium-sized bolete fungus with a reddish-brown cap and yellow pores. In St. Petersburg and Leningrad Oblast, it typically grows in urban and suburban areas, often in association with birch and other deciduous trees. It has been found in various habitats, including parks, gardens, and woodland edges. In north-western Russia, the species is widely distributed and can be found in similar habitats, often fruiting from July to September. The fungus is considered edible, but its culinary value is not well established.
Rubi bolete mushrooms (Hortiboletus rubellus) behind a memorial in Gardens of Polytechnic Institute. Saint Petersburg, Russia, July 29, 2017
Bolete mushrooms Hortiboletus rubellus(?) on a lawn in Gardens of Polytechnic Institute. Saint Petersburg, Russia, August 13, 2017
Ruby bolete mushrooms (Hortiboletus rubellus) near a memorial in Gardens of Polytechnic Institute. Saint Petersburg, Russia, August 19, 2017
Dissected ruby bolete mushrooms (Hortiboletus rubellus) in Gardens of Polytechnic Institute. Saint Petersburg, Russia, August 19, 2017
Ruby bolete mushroom (Hortiboletus rubellus) in Gardens of Polytechnic Institute. Saint Petersburg, Russia, August 19, 2017
Ruby bolete mushroom (Hortiboletus rubellus) on old railroad in Kuzmolovo, north from Saint Petersburg. Russia, August 23, 2018
Dissected ruby bolete mushroom (Hortiboletus rubellus) in Kuzmolovo, north from Saint Petersburg. Russia, August 23, 2018
Ruby bolete mushroom (Hortiboletus rubellus) on old railroad in a forest in Kuzmolovo, north from Saint Petersburg. Russia, August 23, 2018
Brown birch bolete mushroom (Leccinum scabrum) together with Hortiboletus rubellus in Kuzmolovo, north from Saint Petersburg. Russia, August 23, 2018
Ruby bolete mushrooms (Hortiboletus rubellus) found in the city between houses near Tikhoretsky Prospect. Saint Petersburg, Russia, September 1, 2018
Rubi bolete mushrooms (Hortiboletus rubellus)(?) on a lawn in Gardens of Polytechnic Institute. Saint Petersburg, Russia, July 23, 2024
Underside of rubi bolete mushrooms (Hortiboletus rubellus)(?) on a lawn in Gardens of Polytechnic Institute. Saint Petersburg, Russia, July 23, 2024Observations of Hortiboletus rubellus in Leningrad Oblast and north-western Russia show that the fungus grows in various locations, including lawns, gardens, and forests. In the Gardens of Polytechnic Institute, Saint Petersburg, it was found near memorials and on lawns from July to August in 2017 and 2024. The mushrooms were also spotted on old railroads in Kuzmolovo, north of Saint Petersburg, in August 2018, sometimes co-occurring with other species like Leccinum scabrum. Additionally, they were found between houses near Tikhoretsky Prospect in September 2018, indicating their ability to thrive in urban environments. The fungus appears to fruit in summer and early fall, with observations spanning from July to September. Dissections of the mushrooms provided further identification confirmation. Overall, Hortiboletus rubellus seems to be a relatively common species in the region.
Russian web-forums Planeta Gribov, V Kontakte, and Griby Sredney Polosy for learning names of local mushrooms.
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