Extract from Wikipedia article: Armillaria borealis is a species of mushroom in the Physalacriaceae family. Phylogenetic analysis of ribosomal DNA has shown that within the genus Armillaria, this species is most closely related to A. solidipes and A. gemina.
Young honey mushrooms Armillaria borealis(?) in Dubki (Oaks) Park in Sestroretsk, west from Saint Petersburg. Russia, September 5, 2013 Сестрорецк, парк культуры и отдыха «Дубки»
Young honey mushrooms Armillaria borealis(?) in Dubki Park in Sestroretsk, west from Saint Petersburg. Russia, September 5, 2013 Санкт-Петербург, Курортный район, Сестрорецк, Дубковское шоссе
Cluster of young honey mushrooms Armillaria borealis(?) in Dubki Park in Sestroretsk, west from Saint Petersburg. Russia, September 5, 2013 Санкт-Петербург, Курортный район, Сестрорецк, Дубковское шоссе
Emerging honey mushrooms Armillaria borealis(?) in Dubki Park in Sestroretsk, west from Saint Petersburg. Russia, September 5, 2013 Санкт-Петербург, Курортный район, Сестрорецк, Дубковское шоссе
Honey mushrooms Armillaria borealis(?) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 9, 2013 Санкт-Петербург, набережная реки Карповки
Honey mushrooms Armillaria borealis(?) emerging from a tree stump in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 9, 2013 Санкт-Петербург, Аптекарская набережная
Northern Honey mushrooms (Armillaria borealis(?)) emerging from a tree in Okhtinsky Park in Toksovo, 8 miles north from Saint Petersburg. Russia, September 13, 2013 Ленинградская область, Всеволожский район
Northern Honey mushrooms (Armillaria borealis(?)) in south area of Monrepo (Mon Repos) Park. Vyborg, Russia, September 14, 2013 Ленинградская область, Выборг, поселок Выборгский
Small Northern Honey mushrooms (Armillaria borealis(?)) in northern area of Sosnovka Park. Saint Petersburg, Russia, September 15, 2013 Санкт-Петербург, парк Сосновка
Northern Honey mushrooms (Armillaria borealis(?)) near Chornoe Lake north from Komarovo, 25 miles west from Saint Petersburg. Russia, September 16, 2013 Санкт-Петербург, Курортный район, поселок Комарово
Northern Honey mushrooms (Armillaria borealis(?)) in Komarovo Cemetery, 25 miles west from Saint Petersburg. Russia, September 16, 2013 Санкт-Петербург, Курортный район, поселок Комарово, Озёрная улица
Northern Honey mushrooms (Armillaria borealis(?)) on display on mushroom exhibition in Botanic Institute. Saint Petersburg, Russia, September 20, 2013
Northern Honey mushrooms (Armillaria borealis(?)) on a tree stump in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 21, 2015 Санкт-Петербург, Петроградский район, муниципальный округ Аптекарский Остров, Ботанический сад
Northern Honey mushrooms (Armillaria borealis(?)) near Kavgolovskoe Lake south from Oselki, 8 miles north from Saint Petersburg. Russia, September 23, 2015 Ленинградская область, Всеволожский район
Young Northern Honey mushrooms (Armillaria borealis(?)) in Sosnovka Park. Saint Petersburg, Russia, August 25, 2016
Emerging young Northern Honey mushrooms (Armillaria borealis(?)) in Sosnovka Park. Saint Petersburg, Russia, August 25, 2016
Young honey mushrooms Armillaria borealis(?) in Sosnovka Park. Saint Petersburg, Russia, August 28, 2016 Санкт-Петербург, Выборгский район, парк Сосновка
Honey mushrooms Armillaria borealis(?) on a trunk of spruce tree. Oselki, south from Saint Petersburg, Russia, August 29, 2016 Ленинградская область, Всеволожский район, Лесколовское сельское поселение
Young honey mushrooms Armillaria borealis(?) on a mossy log. Oselki, south from Saint Petersburg, Russia, August 29, 2016 Ленинградская область, Всеволожский район, Лесколовское сельское поселение
Yellowish honey mushrooms Armillaria borealis(?). Oselki, south from Saint Petersburg, Russia, August 29, 2016 Ленинградская область, Всеволожский район, Лесколовское сельское поселение
Honey mushrooms Armillaria borealis(?) on a log near Lisiy Nos, south from Saint Petersburg. Russia, September 3, 2016 Санкт-Петербург, поселок Лисий Нос
Yeast mold Dipodascus armillariae(?) or Geotrichum sp. growing on gills of honey mushrooms Armillaria borealis(?) on a tree near Lisiy Nos, south from Saint Petersburg. Russia, September 3, 2016 Санкт-Петербург, поселок Лисий Нос
Honey mushrooms Armillaria borealis(?) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 24, 2016 Санкт-Петербург, Петроградский район, муниципальный округ Аптекарский Остров, Ботанический сад
Mature honey mushrooms Armillaria borealis(?) with spores spilled on caps between Orekhovo and Lembolovo, north from Saint Petersburg. Russia, September 28, 2016 Ленинградская область, Всеволожский район, Куйвозовское сельское поселение
Honey mushrooms Armillaria borealis(?) in Dubki Park in Sestroretsk, west from Saint Petersburg. Russia, October 2, 2016 Санкт-Петербург, Сестрорецк
Honey mushrooms Armillaria borealis(?) in Gatchina Park. Gatchina, a suburb of Saint Petersburg, Russia, October 12, 2016 Ленинградская область, Гатчина, Дворцовый парк
Honey mushrooms Armillaria borealis(?) on a stump on Marble Lane in Smolenskoe Cemetery of Vasilievsliy Island. Saint Petersburg, Russia, October 27, 2016 Санкт-Петербург, Василеостровский район, Мраморная дорожка
Northern honey mushrooms (Armillaria borealis) on a stump near a beach in West Kotlin Nature Reserve in Kronstadt. Saint Petersburg, Russia, September 8, 2017 Санкт-Петербург, Кронштадт, Кронштадтское шоссе
Young northern honey mushrooms (Armillaria borealis) in Sosnovka Park. Saint Petersburg, Russia, September 12, 2017 Санкт-Петербург, парк Сосновка
Young northern honey mushrooms (Armillaria borealis) on a stump in Sosnovka Park. Saint Petersburg, Russia, September 12, 2017 Санкт-Петербург, парк Сосновка
Young northern honey mushrooms (Armillaria borealis) in Sosnovka Park. Saint Petersburg, Russia, September 13, 2017 Санкт-Петербург, парк Сосновка
Young northern honey mushrooms (Armillaria borealis) with slime mold Trichia decipiens on a stump in Sosnovka Park. Saint Petersburg, Russia, September 13, 2017 Санкт-Петербург, парк Сосновка
Young northern honey mushrooms (Armillaria borealis) on a stump in Sosnovka Park. Saint Petersburg, Russia, September 13, 2017 Санкт-Петербург, парк Сосновка
Immature northern honey mushrooms (Armillaria borealis) on a stump in Sosnovka Park. Saint Petersburg, Russia, September 13, 2017 Санкт-Петербург, парк Сосновка
Young northern honey mushrooms (Armillaria borealis) in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, September 14, 2017 Санкт-Петербург, Пушкинский район, Павловск, аллея Красного Молодца
Young northern honey mushrooms (Armillaria borealis) on a mossy stump in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, September 14, 2017 Санкт-Петербург, Пушкинский район, Павловск, Старошалейная аллея
Immature northern honey mushrooms (Armillaria borealis) in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, September 14, 2017 Санкт-Петербург, Пушкинский район, Павловск, Английская аллея
Cluster of young northern honey mushrooms (Armillaria borealis) on submerged wood in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, September 14, 2017 Санкт-Петербург, Пушкинский район, Павловск, Краснодолинная аллея
Masses of young northern honey mushrooms (Armillaria borealis) in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, September 14, 2017 Санкт-Петербург, Пушкинский район, Павловск, Краснодолинная аллея
Immature northern honey mushrooms (Armillaria borealis) in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, September 14, 2017 Санкт-Петербург, Пушкинский район, Павловск, Краснодолинная аллея
Close up of young northern honey mushrooms (Armillaria borealis) in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, September 14, 2017 Санкт-Петербург, Пушкинский район, Павловск, Краснодолинная аллея
Groups of young northern honey mushrooms (Armillaria borealis) on a stump in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, September 14, 2017 Санкт-Петербург, Пушкинский район, Павловск, Краснодолинная аллея
Immature northern honey mushrooms (Armillaria borealis) in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, September 14, 2017 Санкт-Петербург, Пушкинский район, Павловск, Краснодолинная аллея
Immature northern honey mushrooms (Armillaria borealis) together with sheathed woodtuft mushrooms (Kuehneromyces mutabilis) on a stump in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, September 14, 2017 Санкт-Петербург, Пушкинский район, Павловск
Immature northern honey mushrooms (Armillaria borealis) together with sheathed woodtuft mushrooms (Kuehneromyces mutabilis) on a stump in roadside bushes in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, September 14, 2017 Санкт-Петербург, Пушкинский район, Павловск
Young northern honey mushrooms (Armillaria borealis) together with sheathed woodtuft mushrooms (Kuehneromyces mutabilis) on a stump in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, September 14, 2017 Санкт-Петербург, Пушкинский район, Павловск
Tiny northern honey mushrooms (Armillaria borealis) in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, September 14, 2017 Санкт-Петербург, Пушкинский район, Павловск
Northern honey mushrooms (Armillaria borealis) on a mossy tree near Dibuny, north-west from Saint Petersburg. Russia, September 18, 2017 Санкт-Петербург, Курортный район, посёлок Песочный
Masses of northern honey mushrooms (Armillaria borealis) covering a tree near Dibuny, north-west from Saint Petersburg. Russia, September 18, 2017 Санкт-Петербург, Курортный район, посёлок Песочный
Northern honey mushrooms (Armillaria borealis) in Park of Polytechnic Institute. Saint Petersburg, Russia, September 19, 2017 Санкт-Петербург, парк Технического университета
Northern honey mushrooms (Armillaria borealis) on a stump in Blizhnie Dubki area near Lisiy Nos, west from Saint Petersburg. Russia, September 21, 2017 Санкт-Петербург, посёлок Лисий Нос
Northern honey mushrooms (Armillaria borealis) together with brick tuft (Hypholoma lateritium) in Blizhnie Dubki area near Lisiy Nos, west from Saint Petersburg. Russia, September 21, 2017 Санкт-Петербург, посёлок Лисий Нос
Northern honey mushrooms (Armillaria borealis) around a tree in area of Lisiy Nos - Olgino west from Saint Petersburg. Russia, September 21, 2017 Санкт-Петербург, посёлок Лисий Нос
Northern honey mushrooms (Armillaria borealis) with yeast mold Dipodascus armillariae(?) in Blizhnie Dubki area near Lisiy Nos, west from Saint Petersburg. Russia, September 26, 2017 Санкт-Петербург, посёлок Лисий Нос
Yeast mold Dipodascus armillariae(?) or Geotrichum sp. growing on gills of northern honey mushrooms (Armillaria borealis) in Blizhnie Dubki area near Lisiy Nos, west from Saint Petersburg. Russia, September 26, 2017 Санкт-Петербург, посёлок Лисий Нос
Yeast mold Dipodascus armillariae(?) on gills of northern honey mushrooms (Armillaria borealis) in Blizhnie Dubki area near Lisiy Nos, west from Saint Petersburg. Russia, September 26, 2017 Санкт-Петербург, посёлок Лисий Нос
Northern honey mushrooms (Armillaria borealis) near Dibuny, north-west from Saint Petersburg. Russia, September 28, 2017 Санкт-Петербург, Курортный район, посёлок Песочный
Immature honey mushrooms Armillaria borealis on a fallen birch near Lisiy Nos, west from Saint Petersburg. Russia, September 1, 2018 Санкт-Петербург, посёлок Лисий Нос
Northern honey mushrooms (Armillaria borealis) near Kavgolovskoe Lake in Toksovo, north from Saint Petersburg. Russia, September 5, 2018 Ленинградская область, Всеволожский район, Токсовское городское поселение
Northern honey mushrooms (Armillaria borealis) at the base of a tree near Kavgolovskoe Lake in Toksovo, north from Saint Petersburg. Russia, September 5, 2018 Ленинградская область, Всеволожский район, Токсовское городское поселение
Mature northern honey mushrooms (Armillaria borealis) on a stump near Kavgolovskoe Lake in Rappolovo - Toksovo, north from Saint Petersburg. Russia, September 5, 2018 Ленинградская область, Всеволожский район, Токсовское городское поселение
Northern honey mushrooms (Armillaria borealis) on a fallen birch near Lisiy Nos, west from Saint Petersburg. Russia, September 6, 2018
Northern honey mushrooms (Armillaria borealis) growing on a fallen birch near Lisiy Nos, west from Saint Petersburg. Russia, September 6, 2018
Northern honey mushrooms (Armillaria borealis) covering a fallen birch near Lisiy Nos, west from Saint Petersburg. Russia, September 6, 2018
Northern honey mushrooms (Armillaria borealis) on a birch stump near Lisiy Nos, west from Saint Petersburg. Russia, September 6, 2018
Northern honey mushrooms (Armillaria borealis) on a mossy log near Lisiy Nos, west from Saint Petersburg. Russia, September 6, 2018
Northern honey mushrooms (Armillaria borealis) at the base of a birch in a coastal forest between Lisiy Nos and Olgino, west from Saint Petersburg. Russia, September 6, 2018 Санкт-Петербург, посёлок Лисий Нос
Comments
Search of mushroom species for given keywords "Armillaria borealis" was done through
catalogueoflife.org.