Synonyms: Boletus venosus, Boletus vitraeus, Boletus vitreus, Corticium subterraneum, Leptoporus undatus, Physisporinus vitraeus, Physisporus vitraeus, Physisporus vitreus, Podoporia vitraea, Podoporia vitrea, Polyporus adiposus, Polyporus subgelatinosus, Polyporus vitraeus, Polyporus vitreus, Poria adiposa, Poria albirosea, Poria subgelatinosa, Poria vitraea, Poria vitrea, Rigidoporus vitraeus, Rigidoporus vitreus, Skeletocutis amorpha.
Common name: rusty crust.
Extract from Wikipedia article: Physisporinus vitreus is a species of crust fungus in the family Meripilaceae, and the type species of the genus Physisporinus. It was originally described by Christian Hendrik Persoon by 1796. Petter Adolf Karsten transferred it to the genus Physisporinus in 1889.
Swedish: Opalporing.
Physisporinus vitreus is a crust fungus that grows on decaying wood, characterized by its glassy, translucent to pale yellowish fruiting body. In East and Central Texas, it has been found on various hardwoods, including oak and elm, typically in shaded, humid areas with rich soil. The fungus is relatively rare in the region, but can be locally common in suitable habitats, such as wooded streams and riverbanks. Its growth often forms small to medium-sized, wavy or lobed crusts that can merge to cover large areas of substrate.
Porous corticioid mushroom Physisporinus vitreus(?) on a fallen oak in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
Lone Star Hiking Trail, Coldspring, TX 77331, USA
Close-up of corticioid mushroom Physisporinus vitreus(?) on a fallen oak in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020Lone Star Hiking Trail, Coldspring, TX 77331, USA
Resupinate polypore mushroom mushroom Physisporinus vitreus(?) on an oak log in Lick Creek Park. College Station, Texas, January 23, 202014802 Rock Prairie Rd, College Station, TX 77845, USA
White resupinate polypore mushroom mushroom Physisporinus vitreus(?) on underside of an oak log in Lick Creek Park. College Station, Texas, January 23, 202014802 Rock Prairie Rd, College Station, TX 77845, USA
Resupinate polypore mushroom Physisporinus vitreus(?) on a hackberry stump in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2020Old Washington Town Site Loop Trail, Washington, TX 77880, USA
Resupinate polypore mushroom Physisporinus vitreus(?) covering a hackberry stump in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2020Old Washington Town Site Loop Trail, Washington, TX 77880, USA
Close-up of resupinate polypore mushroom Physisporinus vitreus(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2020Old Washington Town Site Loop Trail, Washington, TX 77880, USA
Details of resupinate polypore mushroom Physisporinus vitreus(?) on a hackberry stump in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2020Old Washington Town Site Loop Trail, Washington, TX 77880, USA
Rusty crust fungus (Physisporinus vitreus)(?) on a pine log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, October 24, 2020Little Lake Creek Loop Trail, Montgomery, TX 77356, USA
Close-up of rusty crust fungus (Physisporinus vitreus)(?) on a pine log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, October 24, 2020Little Lake Creek Loop Trail, Montgomery, TX 77356, USA
Rusty crust fungus (Physisporinus vitreus)(?) and a pine needle on a log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, October 24, 2020Little Lake Creek Loop Trail, Montgomery, TX 77356, USA
Tissues of rusty crust fungus (Physisporinus vitreus)(?) from soft rotten wood at the base of a tilted stumpin muddy area, collected on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, April 6, 2024Observations of Physisporinus vitreus in East and Central Texas show that it grows on various types of wood, including oak, hackberry, and pine logs. The fungus was found in different locations, such as Sam Houston National Forest, Lick Creek Park, and Washington-on-the-Brazos State Historic Site. It appears as a porous corticioid mushroom or a resupinate polypore, with a white or rusty crust-like appearance. The fungus was observed growing on fallen trees, stumps, and logs, often covering large areas of the substrate. Close-up observations revealed details of its texture and structure. The fungus was found in different seasons, from January to October, and as recently as April 2024, indicating its presence throughout the year in the region. The variety of substrates and locations suggests that Physisporinus vitreus is widely distributed in East and Central Texas.
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