Extract from Wikipedia article: Hypomyces hyalinus is a species of parasitic fungi that attacks fungi of the genus Amanita. The earliest recording of this parasite was in 1822 in Salem, North Carolina, but microscopic descriptions of H. hyalinus do not appear in the literature until 1886.
Fungus Hypomyces hyalinus on Amanita(?) mushroom among dry leaves in Lick Creek Park. College Station, Texas, July 26, 2014 Iron Bridge Trail, College Station, TX 77845, USA
Large Tylopilus mushroom together with Amanita covered by fungus Hypomyces hyalinus under small oaks in Lick Creek Park. College Station, Texas, June 9, 2020 Iron Bridge Trail, College Station, TX 77845, USA
Fungus Hypomyces hyalinus on Amanita mushrooms in Lick Creek Park. College Station, Texas, June 9, 2020 Iron Bridge Trail, College Station, TX 77845, USA
Dissected Amanita(?) mushrooms covered by fungus Hypomyces hyalinus in Lick Creek Park. College Station, Texas, June 9, 2020 Iron Bridge Trail, College Station, TX 77845, USA
Fungus Hypomyces hyalinus on Amanita mushrooms in Lick Creek Park. College Station, Texas, June 10, 2020 Iron Bridge Trail, College Station, TX 77845, USA
Fungus Hypomyces hyalinus on Amanita mushrooms in cross section in Lick Creek Park. College Station, Texas, June 10, 2020 Iron Bridge Trail, College Station, TX 77845, USA
Water drops on a fungus Hypomyces hyalinus in Lick Creek Park. College Station, Texas, June 10, 2020 Iron Bridge Trail, College Station, TX 77845, USA
Texture of a fungus Hypomyces hyalinus in Lick Creek Park. College Station, Texas, June 10, 2020 Iron Bridge Trail, College Station, TX 77845, USA
Amanita mold fungus (Hypomyces hyalinus) in Big Creek Scenic Area of Sam Houston National Forest near Shepherd. Texas, October 3, 2021 Lone Star Hiking Trail, Coldspring, TX 77331, USA
Amanita mushrooms with parasitic fungus Hypomyces hyalinus in Big Creek Scenic Area of Sam Houston National Forest near Shepherd. Texas, October 3, 2021 Lone Star Hiking Trail, Coldspring, TX 77331, USA
Dissected Amanita mushrooms with parasitic fungus Hypomyces hyalinus in Big Creek Scenic Area of Sam Houston National Forest near Shepherd. Texas, October 3, 2021 Lone Star Hiking Trail, Coldspring, TX 77331, USA
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 Lone Star Hiking Trail, San Jacinto County, Texas, United States
Close-up of Amanita mold fungus (Hypomyces hyalinus) in Big Creek Scenic Area of Sam Houston National Forest near Shepherd. Texas, October 3, 2021 Lone Star Hiking Trail, San Jacinto County, Texas, United States