Synonyms: Gyroporus niveus, Merulius niveus, Merulius rimosus, Plicatura alni, Sesia nivea, Trogia alni.
Common name: Snow-White Crust.
Plicatura nivea is a species of fungus in the family Pezizaceae. It has been found in St. Petersburg, Leningrad Oblast, and north-western Russia, typically growing on decaying wood, especially coniferous trees. The fungus produces small to medium-sized, cup-shaped fruiting bodies with white to cream-colored hymenium and a felty, whitish exterior. In the region, it tends to fruit from summer to autumn, often in moist, shaded areas with abundant woody debris.
Corticioid mushrooms Plicatura nivea(?) on a dry stem of trifoliate orange on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, February 26, 2025
Young corticioid mushrooms Plicatura nivea(?) on a dry stem of trifoliate orange on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, February 26, 2025
Close-up of corticioid mushrooms Plicatura nivea(?) on a dry stem of trifoliate orange on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, February 26, 2025
Growth of corticioid mushrooms Plicatura nivea(?) on a dry stem of trifoliate orange on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, February 26, 2025
Spores of fungus Plicatura nivea(?) from trifoliate orange collected a day before in Sam Houston National Forest. Texas, February 27, 2025Observations of Plicatura nivea in Leningrad Oblast and north-western Russia revealed a thin white corticioid mushroom with a snow-white crust. In the area of Dibuny-Pesochny near Saint Petersburg, the fungus was found on March 4, 2017. The surface of the fungus appeared crumpled under close observation. The fungus was observed growing on trees, specifically 2 meters from the ground, suggesting it can thrive in various elevations. The specimens were characterized by their very thin and white appearance, forming a snow-white crust. These observations provide insight into the growth habits and physical characteristics of Plicatura nivea in this region, highlighting its presence in the area near Saint Petersburg. The specific location and date suggest that the fungus may be active during early spring in this region.
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