 Violet fairy cup fungus (Peziza violacea, also known as P. subviolacea, P. tenacella) on a bonfire site near Orekhovo, north from Saint Petersburg. Russia, May 15, 2019
 Violet fairy cup fungus (Peziza violacea, also known as P. subviolacea, P. tenacella) on a wet bonfire site near a lake near Orekhovo, north from Saint Petersburg. Russia, May 15, 2019
 Violet fairy cup fungus (Peziza violacea, also known as P. subviolacea, P. tenacella) on charred wood in Lembolovo, 35 miles north from Saint Petersburg. Russia, August 8, 2017
 Violet fairy cup fungus (Peziza violacea, also known as P. subviolacea, P. tenacella) on a site of old bonfire in Lembolovo, 35 miles north from Saint Petersburg. Russia, August 8, 2017
 Violet fairy cup fungus (Peziza violacea, also known as P. subviolacea, P. tenacella) on the site of old bonfire in a forest near Okhta River in Toksovo, north from Saint Petersburg. Russia, August 1, 2017
 Stalked bonfire cup mushrooms (Geopyxis carbonaria) and violet cup (Peziza violacea, also known as P. subviolacea, P. tenacella) on spruce needles on a charred forest floor in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 15, 2021
 Violet fairy cup fungus (Peziza violacea, also known as P. subviolacea, P. tenacella) on burnt site in Lembolovo, 35 miles north from Saint Petersburg. Russia, August 8, 2017
 Violet fairy cup fungus (Peziza violacea, also known as P. subviolacea, P. tenacella) on burnt soil in a forest near Okhta River in Toksovo, north from Saint Petersburg. Russia, August 1, 2017
 Stalked bonfire cup (Geopyxis carbonaria) and violet cup fungus (Peziza violacea, also known as P. subviolacea, P. tenacella) in a burned spruce forest in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 15, 2021
 Stalked bonfire cup (Geopyxis carbonaria) together with violet cup fungus (Peziza violacea, also known as P. subviolacea, P. tenacella) on burned ground in a spruce forest in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 15, 2021
 Stalked bonfire cup (Geopyxis carbonaria) together with violet cup fungus (Peziza violacea, also known as P. subviolacea, P. tenacella) and Myxomphalia maura in a burned spruce forest in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 15, 2021
 Stalked bonfire cup (Geopyxis carbonaria) and violet cup mushrooms (Peziza violacea, also known as P. subviolacea, P. tenacella) between them in a burned spruce forest in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 15, 2021
 Closely spaced stalked bonfire cup (Geopyxis carbonaria) and violet cup mushrooms (Peziza violacea, also known as P. subviolacea, P. tenacella) in a burned spruce forest in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 15, 2021
 Violet cup fungus (Peziza violacea, also known as P. subviolacea, P. tenacella) on burned forest floor with fallen spruce needles in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 22, 2021
 Close-up of violet cup fungus (Peziza violacea, also known as P. subviolacea, P. tenacella) on burned forest floor with fallen spruce needles in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 22, 2021
 Underside of violet cup fungus (Peziza violacea, also known as P. subviolacea, P. tenacella) on burned forest floor with fallen spruce needles in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 22, 2021
 Discolored violet cup fungus (Peziza violacea, also known as P. subviolacea, P. tenacella) on burned forest floor with fallen spruce needles in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 22, 2021
 Violet cup fungus (Peziza violacea, also known as P. subviolacea, P. tenacella) and Myxomphalia maura on burned forest floor with fallen spruce needles in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 22, 2021
 Flattened violet cups of a bonfire fungus Peziza violacea on burned forest floor with fallen spruce needles in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 22, 2021
 Stalked bonfire cup mushrooms (Geopyxis carbonaria) together with Peziza violacea on burned forest floor with fallen spruce needles in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 22, 2021
 Stalked bonfire cup mushrooms (Geopyxis carbonaria) together with Myxomphalia maura and Peziza violacea on burned forest floor with fallen spruce needles in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 22, 2021
 Dense cluster of stalked bonfire cup mushrooms (Geopyxis carbonaria) together with Peziza violacea on burned forest floor with fallen spruce needles in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 22, 2021
 Tiny Ascomycete mushrooms Pyronema omphalodes on charred wood on a bonfire site in Zakhodskoe, 50 miles north from Saint Petersburg. Russia, July 22, 2024
 Common eyelash fungus (Scutellinia scutellata) on a bonfire site near Orekhovo, north from Saint Petersburg. Russia, May 31, 2019
 Cup fungus Trichophaea hemisphaerioides(?) on charred wood near Dibuny, north-west from Saint Petersburg. Russia, August 20, 2017
 Layered cup fungus (Peziza varia) on a log in Orekhovo, 40 miles north from Saint Petersburg. Russia, August 18, 2017
 Charcoal cup mushrooms (Peziza echinospora)(?) among burnt wood on a bonfire site in Sosnovka Park. Saint Petersburg, Russia, June 19, 2017
 Blue violet (Viola) near a railroad near Orekhovo, north from Saint Petersburg. Russia, May 31, 2019
 Stalked bonfire cup fungus (Geopyxis carbonaria) on a bonfire site west from Kavgolovo Lake near Toksovo, north from Saint Petersburg. Russia, May 19, 2019
 Violet wood sorrel (Oxalis violacea) on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, April 9, 2019
 Flower of violet wood sorrel (Oxalis violacea) on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, April 9, 2019
 Stalked bonfire cup mushrooms Geopyxis carbonaria on charred ground in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 15, 2021
 Bay cup fungus (Peziza badia) on an old bonfire site in a coastal forest between Lisiy Nos and Olgino, west from Saint Petersburg. Russia, September 6, 2018
 Charcoal cup fungus (Peziza echinospora(?)) with a milkcap mushroom on the site of old bonfire in Sosnovka Park. Saint Petersburg, Russia, June 30, 2017
 Stalked bonfire cup mushrooms (Geopyxis carbonaria) on spruce needles on a charred forest floor in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 15, 2021
 Stalked bonfire cup mushrooms Geopyxis carbonaria in spruce needles on charred forest floor in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 15, 2021
 Grey folios lichen on a rotting wood post near Orekhovo, north from Saint Petersburg. Russia, May 15, 2019
 Close-up of stalked bonfire cup mushrooms Geopyxis carbonaria in spruce needles on charred forest floor in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 15, 2021
 Peziza mushroom on old bonfire site near Kavgolovskoe Lake in area of Toksovo, north from Saint Petersburg, Russia, June 16, 2017
 Earthfan fungus (Thelephora terrestris) on wood on a bonfire site along a road around Kavgolovskoe Lake near Toksovo, north from Saint Petersburg. Russia, July 25, 2017
 Fairy cap mushrooms Mycena silvae-nigrae on rotten wood in Sosnovka Park. Saint Petersburg, Russia, May 27, 2019
 Brown liverwort Tree Fringewort (Ptilidium pulcherrimum) on a rotting wood post near Orekhovo, north from Saint Petersburg. Russia, May 15, 2019
 Layered cup mushrooms (Peziza varia) on a rotten log in Orekhovo, 40 miles north from Saint Petersburg. Russia, August 18, 2017
 Stalked bonfire cup mushrooms Geopyxis majalis(?) (orange) and Geopyxis carbonaria in spruce needles on charred soil in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 15, 2021
 Side view of fairy cap mushrooms Mycena silvae-nigrae on rotten wood in Sosnovka Park. Saint Petersburg, Russia, May 27, 2019
 Stalked bonfire cup mushrooms Geopyxis majalis(?) (orange) and Geopyxis carbonaria in spruce needles on charred forest floor in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 15, 2021
 Dense group of stalked bonfire cup mushrooms (Geopyxis carbonaria) on a charred forest floor in a burned spruce forest in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 15, 2021
 Cup fungus Peziza on a charred forest floor on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, June 5, 2021
 Cup fungus Pulvinula convexella, dog lichen Peltigera didactyla and moss on carbonized wood in Orekhovo, 40 miles north from Saint Petersburg. Russia, August 18, 2017
 Omphalinoid mushrooms Arrhenia rickenii(?) together with Tephrocybe atrata(?) among charred wood on a site of fire near Kuzmolovo, north from Saint Petersburg. Russia, September 24, 2017
 Violet wood sorrel (shamrock, Oxalis violacea?) in Big Thicket park on Sundew Trail. Texas, October 11, 2008
 Flowers of violet wood sorrel (Oxalis violacea, shamrock) in Little Thicket Nature Sanctuary. Cleveland, Texas, March 25, 2023
 Violet wood sorrel (Oxalis violacea) on Sundew Trail in Big Thicket National Preserve. Kountze, Texas, August 2, 2014
 Bloomin violet wood sorrel (Oxalis violacea, shamrock) in Little Thicket Nature Sanctuary. Cleveland, Texas, March 25, 2023
 Violet wood sorrel (Oxalis violacea) on Richards Loop Trail in Sam Houston National Forest. Texas, March 3, 2024
 Stalked bonfire cup fungus (Geopyxis carbonaria) on a bonfire site along a road around Kavgolovskoe Lake near Toksovo, north from Saint Petersburg. Russia, July 25, 2017
 Pink flowers of violet wood sorrel (Oxalis violacea, shamrock) in Little Thicket Nature Sanctuary. Cleveland, Texas, March 25, 2023
 Back lit flowers of violet wood sorrel (Oxalis violacea, shamrock) in Little Thicket Nature Sanctuary. Cleveland, Texas, March 25, 2023
 Violet wood sorrel (shamrock, Oxalis violacea) on Richards Loop Trail in Sam Houston National Forest. Texas, March 26, 2020
 Violet wood sorrel (shamrock, Oxalis violacea) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Ascomycete mushrooms Antracobia tristis(?) among charred wood on a bonfire site near a pond on Richards Loop Trail in Sam Houston National Forest. Texas, February 28, 2023
 Violet wood sorrel (shamrock, Oxalis violacea?) in Mercer Arboretum and Botanical Gardens. Humble (Houston area), Texas, April 5, 2009
 Peziza phyllogena (Peziza badioconfusa)(?) cup fungus taken from rotting wood at mushroom walk of Gulf States Mycological Society. Little Thicket Nature Sanctuary, Cleveland, Texas, November 3, 2018
 Violet wood sorrel (Oxalis violacea, shamrock) on Hoots Hollow Trail in Brazos Bend State Park. Needville, Texas, February 15, 2020
 Flower of Violet Wood Sorrel (Oxalis violacea) in Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, October 22, 2011
 Flowers of Violet Wood Sorrel (Oxalis violacea) in Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, October 22, 2011
 Back lit Violet Wood Sorrel (Oxalis violacea) in Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, October 22, 2011
 Cup fungi Peziza echinospora(?) on a old bonfire site near Dibuny, west from Saint Petersburg. Russia, June 27, 2017
 Violet webcap mushrooms Cortinarius traganus(?) near Orekhovo, 40 miles north from Saint Petersburg. Russia, September 9, 2016
 Cup fungi Anthracobia maurilabra(?) on a site of bonfire near a lake near Orekhovo, 45 miles north from Saint Petersburg. Russia, August 30, 2018
 Some web-like fungus on rotting wood in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Pink flower of Violet wood sorrel (Oxalis violacea, shamrock) on Prairie Trail in Brazos Bend State Park. Needville, Texas, April 22, 2008
 Charcoal cup mushrooms (Peziza echinospora)(?) on a bonfire site in Sosnovka Park. Saint Petersburg, Russia, June 19, 2017
 Violet wood sorrel (Oxalis violacea) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Richards Loop Trail in Sam Houston National Forest near Montgomery. Texas, September 6, 2024
 Pink flowers of Violet wood sorrel (Oxalis violacea, shamrock) on Hoots Hollow Trail in Brazos Bend State Park. Needville, Texas, February 15, 2020
 Violet Wood Sorrel (Oxalis violacea) blooming at fall without leaves in Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, October 22, 2011
 Ascomycete mushrooms Charcoal cup (Peziza echinospora)(?) on a bonfire site in Sosnovka Park. Saint Petersburg, Russia, June 19, 2017
 Violet brittlegill mushrooms (Russula, Russian name Syroezhka) growing in sand near Orekhovo, north from Saint Petersburg. Russia, July 27, 2016
 Violet brittlegill mushrooms (Russula, Russian name Syroezhka) on roadside between Orekhovo and Lembolovo, north from Saint Petersburg. Russia, July 27, 2016
 Violet wood sorrel (shamrock, Oxalis violacea?) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 21, 2008
 Carpet of cup fungi Anthracobia maurilabra(?) on peat at a site of bonfire near a lake near Orekhovo, 45 miles north from Saint Petersburg. Russia, August 30, 2018
 Cup fungi Anthracobia maurilabra(?) on burnt peat at a site of bonfire near a lake near Orekhovo, 45 miles north from Saint Petersburg. Russia, August 30, 2018
 Violet Wood Sorrel (Oxalis violacea) in dew blooming at fall without leaves in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 20, 2013
 Cup fungi Anthracobia maurilabra(?) growing on peat and sphagnum on a site of bonfire near a lake near Orekhovo, 45 miles north from Saint Petersburg. Russia, August 30, 2018
 Bay cup fungus (Peziza badia) in Kuzmolovo, north from Saint Petersburg. Russia, July 26, 2017
 Large bay cup fungus (Peziza badia)(?) in Petiayarvi, north from Saint Petersburg. Russia, September 17, 2017
 Field violet (Viola tricolor, Russian name Fialka) in Urochishche Teterevskoe open space, between Orekhovo and Lembolovo, north from Saint Petersburg. Russia, June 30, 2010
 Bay cup fungus (Peziza badia) in a pine forest in Kuzmolovo, north from Saint Petersburg. Russia, July 26, 2017
 Blistered cup fungus (Peziza vesiculosa)(?) near Dibuny, north-west from Saint Petersburg. Russia, September 28, 2017
 Blistered cup fungus (Peziza vesiculosa)(?) near Dibuny, north-west from Saint Petersburg. Russia, July 15, 2017
 Cup fungus (mushrooms) Peziza michelii near Dibuny, north-west from Saint Petersburg, Russia, September 3, 2018
 Bay cup fungus (Peziza badia) on roadside near Lembolovo, 40 miles north from Saint Petersburg. Russia, August 27, 2017
 Charcoal cup fungus (Peziza echinospora)(?) near Dibuny, north-west from Saint Petersburg. Russia, August 20, 2017
 Bay cup fungus (Peziza badia) in a forest near Okhta River in Toksovo, north from Saint Petersburg. Russia, August 1, 2017
 Large bay cup fungus (Peziza badia)(?) on sandy roadside in Petiayarvi, north from Saint Petersburg. Russia, September 17, 2017
 Glittering wood-moss (Hylocomium splendens) near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Wood cranesbill (Geranium sylvaticum) between Orekhovo and Lembolovo, north from Saint Petersburg, Russia, June 30, 2010
 Pluteus chrysophlebius mushrooms growing on charred wood on a bonfire in a hiking campsite on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, May 26, 2018
 Blistered cup fungus (Peziza vesiculosa) on disturbed soil near Dibuny, north-west from Saint Petersburg. Russia, August 6, 2017
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