 Cabbage leaf Helvella mushrooms (Helvella acetabulum) on roadside in pine forest near Dibuny, west from Saint Petersburg. Russia, June 27, 2017
 Cabbage leaf Helvella mushroom (Helvella acetabulum) near Dibuny, west from Saint Petersburg. Russia, June 27, 2017
 Felt saddle mushrooms (Helvella macropus) with saddle s child mold fungus (Hypomyces cervinus) near Kuzmolovo, north from Saint Petersburg. Russia, September 3, 2017
 Saddle mushroom (Helvella) with a parasitic mold fungus (Hypomyces cervinus) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, April 8, 2018
 Spores of mold fungus Hypomyces cervinus from Helvella, collected on Richards Loop Trail in Sam Houston National Forest. Texas, May 1, 2024
 Dissected cup mushroom Helvella macropus with mold-like fungus Hypomyces cervinus on Richards Loop Trail in Sam Houston National Forest. Texas, April 6, 2020
 Felt saddle mushroom (Helvella macropus) with mold fungus Hypomyces cervinus on Richards Loop Trail in Sam Houston National Forest. Texas, May 1, 2024
 Felt saddle mushrooms (Helvella macropus) with mold fungus Hypomyces cervinus on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville. Texas, October 21, 2018
 Ascomycete felt saddle mushroom (Helvella macropus) with mold-like fungus Hypomyces cervinus on Richards Loop Trail in Sam Houston National Forest. Texas, April 6, 2020
 Felt saddle mushrooms (Helvella macropus) covered by mold fungus Hypomyces cervinus on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville. Texas, October 21, 2018
 Cup fungus Helvella costifera on roadside near Dibuny, west from Saint Petersburg. Russia, June 27, 2017
 Close up of cup fungus Helvella costifera taken from roadside near Dibuny, west from Saint Petersburg. Russia, June 27, 2017
 Russula mutabilis and Helvella mushroom with fungus Hypomyces cervinus on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, November 7, 2021
 Cup mushroom Helvella acetabulum on roadside near Kavgolovskoe Lake, between Oselki and Toksovo, north from Saint Petersburg. Russia, June 28, 2017
 Rusty bolete (Boletus ferrugineus) with a parasitic fungus bolete mould (Hypomyces chrysospermus) on roadside near Dibuny, north-west from Saint Petersburg. Russia, August 6, 2017
 Dissected rusty bolete (Boletus ferrugineus) with a parasitic fungus bolete mould (Hypomyces chrysospermus) on roadside near Dibuny, north-west from Saint Petersburg. Russia, August 6, 2017
 Gray cuplike caps of mushrooms Helvella costifera near Dibuny, west from Saint Petersburg. Russia, June 27, 2017
 Xerocomellus pruinatus(?) mushrooms with a bolete mould parasitic fungus (Hypomyces chrysospermus) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 28, 2017
 White saddle mushroom (Helvella crispa) near Dibuny, north-west from Saint Petersburg. Russia, August 6, 2017
 Small elfin saddle mushrooms Helvella crispa or may be H. solitaria near Dibuny, north-west from Saint Petersburg, Russia, September 3, 2018
 Bolete mushrooms Hortiboletus bubalinus suffered from a parasitic fungus Hypomyces chrysospermus on a lawn in Gardens of Polytechnic Institute. Saint Petersburg, Russia, July 23, 2024
 Rusty bolete (Boletus ferrugineus) with a parasitic fungus bolete mould (Hypomyces chrysospermus) in a forest near Okhta River in Toksovo, north from Saint Petersburg. Russia, August 1, 2017
 Bolete mushrooms Hortiboletus bubalinus covered by mold-like parasitic fungus Hypomyces chrysospermus on a lawn in Gardens of Polytechnic Institute. Saint Petersburg, Russia, July 23, 2024
 Bolete mushroom Hortiboletus bubalinus with a parasitic fungus Hypomyces chrysospermus on a lawn in Gardens of Polytechnic Institute. Saint Petersburg, Russia, July 23, 2024
 Bolete eater (golden yellow parasitic ascomycete fungus Hypomyces chrysospermus, or Apiocrea chrysosperma that grows on bolete mushrooms) near Orekhovo, north from Saint Petersburg, Russia, October 22, 2016
 Elastic saddle mushrooms (Helvella elastica) on roadside near Lisiy Nos, west from Saint Petersburg. Russia, August 31, 2017
 Cup mushrooms Helvella costifera on roadside near Kavgolovskoe Lake in area of Toksovo, north from Saint Petersburg, Russia, June 16, 2017
 Elastic saddle (flexible) mushrooms (Helvella elastica) on roadside near Lisiy Nos, west from Saint Petersburg. Russia, August 31, 2017
 Greying brittlegill mushroom (Russula decolorans) together with Russula covered by fungus Hypomyces viridis in Dibuny, north-west from Saint Petersburg, Russia, August 9, 2016
 Cross section of a bolete mushroom Hortiboletus bubalinus with a parasitic fungus Hypomyces chrysospermus on a lawn in Gardens of Polytechnic Institute. Saint Petersburg, Russia, July 23, 2024
 Cup mushrooms with ribs Helvella costifera on roadside near Kavgolovskoe Lake in area of Toksovo, north from Saint Petersburg, Russia, June 16, 2017
 Parasitic fungus bolete mould (Hypomyces chrysospermus) in Lick Creek Park. College Station, Texas, June 6, 2018
 Bolete eater (golden yellow parasitic ascomycete fungus Hypomyces chrysospermus on bolete mushrooms) in Lick Creek Park. College Station, Texas, June 6, 2018
 Ribbed cup of a fungus Helvella costifera on mushroom show in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 27, 2017
 Green fungus Hypomyces luteovirens covering brittlegill mushrooms in a forest near Okhta River in Toksovo, north from Saint Petersburg. Russia, August 1, 2017
 Yellow-green fungus Hypomyces luteovirens on brittlegill mushrooms in a forest near Okhta River in Toksovo, north from Saint Petersburg. Russia, August 1, 2017
 Amanita mushrooms with parasitic fungus Hypomyces hyalinus in Big Creek Scenic Area of Sam Houston National Forest near Shepherd. Texas, October 3, 2021
 Dissected Amanita mushrooms with parasitic fungus Hypomyces hyalinus in Big Creek Scenic Area of Sam Houston National Forest near Shepherd. Texas, October 3, 2021
 Yellow-green fungus Hypomyces luteovirens on brittlegill mushrooms in cross section in a forest near Okhta River in Toksovo, north from Saint Petersburg. Russia, August 1, 2017
 White saddle mushrooms (Helvella crispa) near Lisiy Nos. West from Saint Petersburg, Russia, August 26, 2018
 Elastic saddle mushrooms (Helvella elastica) near Lisiy Nos, west from Saint Petersburg. Russia, September 1, 2018
 Fungus Hypomyces armeniacus on rotting leaves in Sosnovka Park. Saint Petersburg, Russia, August 14, 2017
 Elfin saddle mushrooms (Helvella lacunosa) on an old campfire site in Sosnovka Park. Saint Petersburg, Russia, July 6, 2017
 False Tinder Conk mushroom (Phellinus tremulae, a parasitic fungus of aspen) west from Dibuny - Pesochny area near Saint Petersburg. Russia, February 4, 2017
 White saddle mushrooms (Helvella crispa) on roadside near Lisiy Nos, west from Saint Petersburg. Russia, September 6, 2018
 Fungus Hypomyces armeniacus on rotting leaves on the ground in Sosnovka Park. Saint Petersburg, Russia, August 14, 2017
 Bolete mould fungus (Hypomyces chrysospermus) in Gardens of Polytechnic Institute. Saint Petersburg, Russia, July 29, 2017
 Bolete eater fungus (golden yellow parasitic ascomycete fungus Hypomyces chrysospermus) in Lick Creek Park. College Station, Texas, September 25, 2018
 White saddle mushrooms (Helvella crispa) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, October 4, 2017
 Young elastic saddle (flexible) mushrooms (Helvella elastica) near Lisiy Nos, west from Saint Petersburg. Russia, September 6, 2018
 Bolete eater mold fungus (Hypomyces chrysospermus) in Gardens of Polytechnic Institute. Saint Petersburg, Russia, August 19, 2017
 Dissected bolete with mold fungus Hypomyces chrysospermus near Lisiy Nos. West from Saint Petersburg, Russia, August 26, 2018
 Bolete eater mold fungus (Hypomyces chrysospermus) near Lisiy Nos. West from Saint Petersburg, Russia, August 26, 2018
 Bolete mold fungus (Hypomyces chrysospermus) on brown rollrim mushrooms (Paxillus involutus) in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, September 27, 2017
 Cup mushrooms Helvella costifera on sandy soil in a forest near Okhta River in Toksovo, north from Saint Petersburg. Russia, June 1, 2019
 White saddle mushrooms (Helvella crispa) on a lawn in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, October 4, 2017
 Large elfin saddle mushrooms (Helvella crispa) on a roadside slope near Lisiy Nos, west from Saint Petersburg. Russia, September 1, 2018
 Old brown rollrim mushrooms (Paxillus involutus) infected by bolete eater fungus Hypomyces chrysospermus in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, September 14, 2017
 Cup mushrooms Helvella costifera on a sandy side of a road in a forest near Okhta River in Toksovo, north from Saint Petersburg. Russia, June 1, 2019
 Golden yellow parasitic ascomycete fungus Hypomyces chrysospermus in Lick Creek Park. College Station, Texas, September 25, 2018
 Peziza with mold fungus Hypomyces cervinus collected at mushroom walk of Gulf States Mycological Society. Little Thicket Nature Sanctuary, Cleveland, Texas, November 13, 2021
 Rust fungus Chrysomyxa pyrolae on lower surface of a leaf of shinleaf near Dibuny, north-west from Saint Petersburg, Russia, May 29, 2017
 Parasitic fungus Hypomyces chrysospermus on a false truffle (Rhizopogon) on Richards Loop Trail in Sam Houston National Forest near Montgomery. Texas, September 6, 2024
 Spores (in KOH) of a parasitic fungus Hypomyces chrysospermus from a false truffle (Rhizopogon) collected on FS203 in Sam Houston National Forest near Montgomery. Texas, September 6, 2024
 Reticulate undersurface of Helvella sulcata mushroom (pale form of Helvella lacunosa) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, April 15, 2020
 Helvella sulcata mushroom (pale form of Helvella lacunosa) among rotting leaves on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, April 15, 2020
 Side view of Helvella sulcata mushroom (pale form of Helvella lacunosa) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, April 15, 2020
 Helvella sulcata mushroom (pale form of Helvella lacunosa) on black background on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, April 15, 2020
 Bolete mushroom Strobilomyces dryophilus with golden yellow parasitic ascomycete fungus Hypomyces chrysospermus in Lick Creek Park. College Station, Texas, September 25, 2018
 Cross section of Amanita mushroom with parasitic mold fungus Hypomyces hyalinus in Big Creek Scenic Area of Sam Houston National Forest near Shepherd. Texas, October 3, 2021
 Helvella sulcata mushroom (pale form of Helvella lacunosa) in area of floodplain near rotting wood on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, April 15, 2020
 Section of a false truffle (Rhizopogon) with a parasitic fungus Hypomyces chrysospermus in ultraviolet light from Richards Loop Trail in Sam Houston National Forest near Montgomery. Texas, September 6, 2024
 Spores (in KOH, stacked image) of a parasitic fungus Hypomyces chrysospermus on yellow stage from a false truffle (Rhizopogon) collected in Sam Houston National Forest near Montgomery. Texas, September 6, 2024
 White mold Cladobotryum verticillatum on milkcap (Lactarius) mushrooms (anamorph form of Hypomyces ochraceus, or Hypomyces armeniacus) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, November 27, 2019
 White mold Cladobotryum verticillatum on caps of Lactarius mushrooms (anamorph form of Hypomyces ochraceus, or Hypomyces armeniacus) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, November 27, 2019
 White saddle mushroom (Helvella crispa) along a road around Kavgolovskoe Lake near Toksovo, north from Saint Petersburg. Russia, July 25, 2017
 Bolete mould parasitic fungus (Hypomyces chrysospermus) on Boletus luridellus in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2020
 Milkcap mushroom Lactarius camphoratus(?) infected by a parasitic fungus Peckiella camphorati (Hypomyces camphorati) in Little Thicket Nature Sanctuary. Cleveland, Texas, November 3, 2018
 Gilled bolete mushrooms (Phylloporus leucomycelinus) with parasitic mold Hypomyces on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, June 27, 2021
 Deer shield mushrooms (Pluteus cervinus) near Dibuny, north-west from Saint Petersburg. Russia, August 25, 2018
 Underside of bolete Boletus luridellus with a parasitic fungus Hypomyces chrysospermus on a grassy lawn in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2020
 Elfin saddle mushrooms (Helvella crispa) in Toksovo, suburb of Saint Petersburg. Russia, July 19, 2016
 White saddle mushrooms (Helvella crispa) between Oselki and Toksovo, north from Saint Petersburg. Russia, August 13, 2024
 Elfin saddle mushrooms (Helvella crispa) on roadside in Toksovo, suburb of Saint Petersburg. Russia, July 19, 2016
 Apothecial fungus Melastiza cornubiensis near Dibuny, west from Saint Petersburg. Russia, June 27, 2017
 Hypomyces fungus on bolete mushrooms Boletus luridellus on a lawn in Thomas Park. College Station, Texas, November 17, 2017
 Fungus Hypomyces hyalinus on Amanita mushrooms in Lick Creek Park. College Station, Texas, June 10, 2020
 Fungus Hypomyces hyalinus on Amanita mushrooms in Lick Creek Park. College Station, Texas, June 9, 2020
 Hypomyces fungus on Xanthoconium affine mushrooms in Lick Creek Park. College Station, Texas, June 28, 2018
 Orange-red disks of fungus Melastiza cornubiensis near Dibuny, west from Saint Petersburg. Russia, June 27, 2017
 Candy cap mushroom (milkcap Lactarius camphoratus(?)) and a milkcap with a parasitic fungus Peckiella camphorati (Hypomyces camphorati) in Little Thicket Nature Sanctuary. Cleveland, Texas, November 3, 2018
 Group of bolete mushrooms Boletus luridellus with Hypomyces fungus on a lawn in Thomas Park. College Station, Texas, November 17, 2017
 Orange-red disks of fungus Melastiza cornubiensis on roadside near Dibuny, west from Saint Petersburg. Russia, June 27, 2017
 Fungus Hypomyces hyalinus on Amanita mushrooms in cross section in Lick Creek Park. College Station, Texas, June 10, 2020
 Blue milkcap mushrooms (Lactarius indigo) with Hypomyces fungus in Lick Creek Park. College Station, Texas, June 10, 2018
 Dissected Amanita(?) mushrooms covered by fungus Hypomyces hyalinus in Lick Creek Park. College Station, Texas, June 9, 2020
 Milkcap mushrooms (Lactarius indigo) with fungus Hypomyces lateritius(?) in Lick Creek Park. College Station, Texas, June 30, 2019
 Milkcap (Lactarius) mushroom with mold Cladobotryum verticillatum (anamorph form of Hypomyces ochraceus, or Hypomyces armeniacus) on Winters Bayou Trail in Sam Houston National Forest. Cleveland, Texas, December 7, 2019
 White saddle mushrooms (Helvella crispa, Russian name Lopastnik) on roadside near Kavgolovskoe Lake in Toksovo, north from Saint Petersburg. Russia, July 24, 2016
|