 Close-up of birch blackhead (Diatrypella favacea) on a dry hazelnut on Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
 Pattern of birch blackhead (Diatrypella favacea) on a dry hazelnut on Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
 Birch blackhead (Diatrypella favacea) growing through bark on a dry hazelnut on Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
 Close-up of spring hazelcup fungus (Encoelia furfuracea) in a hazelnut forest on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
 Spring hazelcup fungus (Encoelia furfuracea) on a dry broken hazelnut bush on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
 Spring hazelcup fungus (Encoelia furfuracea) on a broken hazelnut bush on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
 Cluster of spring hazelcup fungus (Encoelia furfuracea) on a dry broken hazelnut bush on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
 Dried cups of spring hazelcup fungus (Encoelia furfuracea) in a hazelnut forest on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
 Ascomycete fungus Encoelia furfuracea on a dry broken hazelnut on Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
 Fungus Biscogniauxia repanda on wood of hazelnut(?) on Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
 Fungus Biscogniauxia repanda on a dry stem of hazelnut(?) on Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
 Details of fungus Biscogniauxia repanda on a dry stem of hazelnut(?) on Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
 Yellow brain fungus (Tremella mesenterica) on a dry tree on Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
 Corticioid fungus Peniophora incarnata on a hazelnut stem of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
 Upper surface of fungus Biscogniauxia repanda on a dry stem of hazelnut(?) on Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
 Corticioid fungus Hypoxylon vogesiacum on dry wood in a hazelnut forest on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
 Jelly fungus Exidia nigricans on wood in a hazelnut forest on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
 Hazel woodwart fungus (Hypoxylon fuscum) on a hazelnut stem on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
 Texture of hazel woodwart fungus (Hypoxylon fuscum) on a hazelnut stem on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
 Close-up of hazel woodwart fungus (Hypoxylon fuscum) on a hazelnut stem on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
 Young hazel woodwart fungus (Hypoxylon fuscum) on a hazelnut stem on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
 Fungus Biscogniauxia repanda on a dry stem of hazelnut(?) in a hazelnut forest on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
 Blue flowers of Hepatica (Pechonochnitsa in Russian) on Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
 Top view of fungus Biscogniauxia repanda on a dry stem of hazelnut(?) in a hazelnut forest on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
 Close-up of fungus Biscogniauxia repanda on a dry stem of hazelnut(?) in a hazelnut forest on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
 Close-up of a blue flower of Hepatica (Pechonochnitsa in Russian) on Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
 Scarlet elfcup mushrooms (Sarcoscypha austriaca) at the foot of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
 Black formations of fungus Biscogniauxia repanda on a dry stem of hazelnut(?) in a hazelnut forest on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
 Side view of fungus Biscogniauxia repanda on a dry stem of hazelnut(?) in a hazelnut forest on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
 Bracket polypore mushroom on a fallen tree in a hazelnut forest on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
 Pore surface of a bracket polypore mushroom in a hazelnut forest on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
 Blue flower of Hepatica (Pechonochnitsa in Russian) in a hazelnut forest on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
 Some bracket polypore mushroom on rotting wood in a hazelnut forest on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
 Lungwort (Pulmonaria obscura, Russian name Medunitsa) in a hazelnut forest on a slope of Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
 Small troop mushrooms Xeromphalina kauffmanii on an old mossy stump of a large tree on a slope without forest on Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
 Cross-veined troop mushrooms Xeromphalina kauffmanii on an old mossy stump of a large tree on a slope without forest on Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
 Cross-veined troop mushrooms Xeromphalina kauffmanii in moss on an old rotted stump of a large tree on a slope without forest on Orekhovaya Gora Hill in Duderhof Heights, south from Saint Petersburg. Russia, May 9, 2021
 Duderhof Train Station, south from Saint Petersburg. Russia, May 9, 2021
 Scurfy twiglet mushrooms (Tubaria furfuracea) at Road 41K-064 south from Mys Moryin Nos near Ladoga Lake, east from Saint Petersburg. Russia, May 14, 2019
 Cap of rooted agaric mushroom Hymenopellis furfuracea (Xerula furfuracea, Oudemansiella furfuracea) on Kirby Trail in Big Thicket National Preserve. Warren, Texas, November 10, 2013
 Back lit cap of rooted agaric mushroom Hymenopellis furfuracea (Xerula furfuracea, Oudemansiella furfuracea) on Kirby Trail in Big Thicket National Preserve. Warren, Texas, November 10, 2013
 Rooted agaric mushrooms Hymenopellis furfuracea (Xerula furfuracea, Oudemansiella furfuracea) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, October 28, 2018
 Rooted agaric mushrooms Hymenopellis furfuracea (Xerula furfuracea, Oudemansiella furfuracea) at Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, November 2, 2019
 Rooted agaric mushroom Hymenopellis furfuracea (Xerula furfuracea, Oudemansiella furfuracea) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, March 7, 2020
 Rooted agaric mushroom Hymenopellis furfuracea (Xerula furfuracea, Oudemansiella furfuracea) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, October 28, 2018
 Gills of rooted agaric mushrooms Hymenopellis furfuracea (Xerula furfuracea, Oudemansiella furfuracea) on Kirby Trail in Big Thicket National Preserve. Warren, Texas, November 10, 2018
 Rooted agaric mushrooms Hymenopellis furfuracea (Xerula furfuracea, Oudemansiella furfuracea) around rotten tree on Kirby Trail in Big Thicket National Preserve. Warren, Texas, November 10, 2013
 Rooted agaric mushrooms Hymenopellis furfuracea (Xerula furfuracea, Oudemansiella furfuracea) near a rotting stump on Kirby Trail in Big Thicket National Preserve. Warren, Texas, November 10, 2018
 Cap surface of rooted agaric mushroom Hymenopellis furfuracea (Xerula furfuracea, Oudemansiella furfuracea) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, October 28, 2018
 Caps of rooted agaric mushrooms Hymenopellis furfuracea (Xerula furfuracea, Oudemansiella furfuracea) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, October 28, 2018
 Gills of rooted agaric mushroom Hymenopellis furfuracea (Xerula furfuracea, Oudemansiella furfuracea) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, March 7, 2020
 Side view of rooted agaric mushrooms Hymenopellis furfuracea (Xerula furfuracea, Oudemansiella furfuracea) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, October 28, 2018
 Scurfy twiglet mushrooms (Tubaria furfuracea) on Fiodorovskaya Lane in Tarkhovka Park, west from Saint Petersburg. Russia, May 10, 2021
 Scurfy twiglet mushrooms (Tubaria furfuracea) in Niznie Dubki Park near Lisiy Nos, west from Saint Petersburg. Russia, May 14, 2021
 Rooted agaric mushrooms Hymenopellis furfuracea (Xerula furfuracea, Oudemansiella furfuracea) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, October 26, 2013
 Rooted agaric mushrooms Hymenopellis furfuracea (Xerula furfuracea, Oudemansiella furfuracea) on decaying wood on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, October 26, 2013
 Viscid wrinkled surface of a cap of rooted agaric mushroom Hymenopellis furfuracea (Xerula furfuracea, Oudemansiella furfuracea) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, October 26, 2013
 Fungus (mushrooms) Phellinus laevigatus on a birch tree near Lisiy Nos, south from Saint Petersburg. Russia, February 18, 2017
 Willow bracket fungus (Phellinus igniarius mushrooms) on a birch near Lisiy Nos, south from Saint Petersburg. Russia, February 18, 2017
 Spreading fungus (mushrooms) Phellinus laevigatus on a birch tree near Lisiy Nos, south from Saint Petersburg. Russia, February 18, 2017
 Crust of fungus (mushrooms) Phellinus laevigatus on a birch tree near Lisiy Nos, south from Saint Petersburg. Russia, February 18, 2017
 Texture of crust of fungus (mushrooms) Phellinus laevigatus on a birch tree near Lisiy Nos, south from Saint Petersburg. Russia, February 18, 2017
 Thin crust of fungus (mushrooms) Phellinus laevigatus on a birch tree near Lisiy Nos, south from Saint Petersburg. Russia, February 18, 2017
 Jelly fungus Exidia nigricans on a fallen birch in Tarkhovka Park, west from Saint Petersburg. Russia, May 10, 2021
 Birch polypore mushroom Piptoporus betulinus (bracket fungus Fomitopsis betulina, Russian name Trutovik) in Oselki, south from Saint Petersburg, Russia, August 29, 2016
 Red-belted bracket fungus (Fomitopsis pinicola) on a fallen birch near Dibuny, north-west from Saint Petersburg, Russia, May 5, 2021
 Close-up of jelly fungus Exidia nigricans on a fallen birch in Tarkhovka Park, west from Saint Petersburg. Russia, May 10, 2021
 Jelly fungus Exidia nigricans on bark of a fallen birch in Tarkhovka Park, west from Saint Petersburg. Russia, May 10, 2021
 Spring brittlestem mushrooms (Psathyrella spadiceogrisea) in Sablino, south from Saint Petersburg. Russia, May 25, 2017
 Birch woodwart fungus (Jackrogersella multiformis) on a stomp in Blizhniye Dubki Park in Lisiy Nos, west from Saint Petersburg. Russia, May 3, 2021
 Close-up of birch woodwart fungus (Jackrogersella multiformis) on a stomp in Blizhniye Dubki Park in Lisiy Nos, west from Saint Petersburg. Russia, May 3, 2021
 Spring brittlestem mushrooms (Psathyrella spadiceogrisea)(?) at Road 41K-064 south from Mys Moryin Nos, east from Saint Petersburg. Russia, May 26, 2017
 Cup fungus Peziza on a stump in a forest near a pond south from Beloostrov at Eco Trail Sestroretskoye Swamp near Saint Petersburg. Russia, May 27, 2021
 Spring brittlestem mushrooms (Psathyrella spadiceogrisea) south from Mys Moryin Nos near Ladoga Lake, east from Saint Petersburg. Russia, May 14, 2019
 White birch bolete mushroom (bog bolete, Leccinum holopus) damaged by fungus near Kavgolovskoe Lake south from Oselki, 8 miles north from Saint Petersburg. Russia, September 23, 2015
 Birch alley at spring near Sadovaya Street in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, May 18, 2015
 Spring brittlestem mushrooms (Psathyrella spadiceogrisea) at Road 41K-064 south from Mys Moryin Nos near Ladoga Lake, east from Saint Petersburg. Russia, May 14, 2019
 Spring pinkgill mushrooms Entoloma vernum at Road 41K-064 south from Mys Moryin Nos near Ladoga Lake, east from Saint Petersburg. Russia, May 14, 2019
 Common yellow spring flower of coltsfoot (Tussilago farfara, Russian name Mat I Machekha) in Sablino, south from Saint Petersburg. Russia, May 21, 2011
 Early spring pinkgill mushrooms Entoloma vernum near Road 41K-064 south from Mys Moryin Nos near Ladoga Lake, east from Saint Petersburg. Russia, May 14, 2019
 Bird s-eye primrose (Primula farinosa, Pervotsvet Muchnisty in Russian) near a spring in area of Menkovo, south from Saint Petersburg. Russia, June 1, 2011
 Spring forest near Angliyskaya Alley in Oranienbaum. Lomonosov, west from Saint Petersburg, Russia, May 19, 2021
 Bernal Heights summit from Billy Goat Hill in San Francisco. California, March 14, 2024
 Bernal Heights summit in dusk from Billy Goat Hill in San Francisco. California, March 14, 2024
 Bernal Heights summit after sunset from Billy Goat Hill in San Francisco. California, March 14, 2024
 Potrero Hill from a back porch at Diamond Heights Boulevard. San Francisco, California, March 13, 2024
 30th Street and Bernal Heights from Billy Goat Hill in San Francisco. California, March 14, 2024
 Malformed white birch bolete mushroom (bog bolete, Leccinum holopus) with a swollen stem damaged by gall-forming fungus near Kavgolovskoe Lake south from Oselki, 8 miles north from Saint Petersburg. Russia, September 23, 2015
 Scurfy twiglet mushrooms (Tubaria furfuracea) taken from Sosnovka Park. Saint Petersburg, Russia, October 24, 2016
 Scurfy twiglet mushrooms (Tubaria furfuracea) in Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Scurfy twiglet mushrooms (Tubaria furfuracea) taken from Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Scurfy twiglet mushrooms (Tubaria furfuracea) taken from Pavlovsk Park, near Saint Petersburg. Russia, November 1, 2016
 Scurfy twiglet mushrooms (Tubaria furfuracea) near Dibuny, north-west from Saint Petersburg, Russia, May 29, 2017
 Scurfy twiglet mushrooms (Tubaria furfuracea) taken from Pavlovsk, suburb of Saint Petersburg. Russia, April 6, 2017
 Mission District and Potrero Hill from a back porch at Diamond Heights Boulevard. San Francisco, California, March 13, 2024
 Zolotaya Gora (Golden Mount) Cascade of fountains in Peterhof, a former Tsar residence, now a suburb of Saint Petersburg. Russia, September 20, 2002
 Zolotaya Gora (Golden Mount) Cascade of fountains in Peterhof, a former Tsar residence, now a suburb of Saint Petersburg. Russia, September 20, 2002
 Spring brittlestem mushrooms (Psathyrella spadiceogrisea) on wood chips near Tarkhovka train stop, west from Saint Petersburg. Russia, May 10, 2021
 Sculpture of Flora, a goddess of flowers and the season of spring of Roman mythology in Twelve Paths (Dvenadtsat Dorozhek) in Old Sylvia in Pavlovsk Park, south from Saint Petersburg, Russia, June 23, 2010
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