Synonyms: Auricularia frustulata, Stereum frustulatum, Stereum frustulosum, Thelephora frustulata, Thelephora frustulosa, Thelephora sinuans, Xerocarpus frustulatus, Xerocarpus frustulosus, Xylobolus frustulosus.
Common name: Ceramic Parchment.
Extract from Wikipedia article: Xylobolus frustulatus, commonly known as the ceramic fungus or ceramic parchment, is an inedible species of crust fungus in the Stereaceae family. The fruit body forms small, hard, flat crust-like aggregations that resemble broken pieces of ceramic tile. These pieces are initially whitish before turning yellow-brown to gray-brown in age. The spore-bearing cells cover the upper surfaces of the fruit body. A saprobic species, it grows on well-decayed oak wood in Asia, northern Europe, and North America.
Lithuanian: Kurapkinis storplutis, Polish: Drewnowiec popękany, Russian: Ксилоболюс панцирный, Swedish: Rutskinn.
Xylobolus frustulatus is a crust fungus that grows on decaying wood, particularly on deciduous trees. In East and Central Texas, it has been found on submerged or partially submerged logs and branches in rivers, streams, and wetlands, where it forms effused, crust-like colonies with a smooth to wrinkled surface, typically grayish-brown to black in color, and 0.1-1 mm thick. The fungus produces small, cylindrical spores that are 5-7 μm long and 2-3 μm wide. It is a relatively common species in the region, particularly during the spring and fall months when moisture levels are higher.
Ceramic parchment mushrooms (Xylobolus frustulatus) on a barkless log of an oak in Hensel Park. College Station, Texas, November 26, 2017
Hensel Park DriveWay, College Station, TX 77840, USA
Ceramic parchment fungus (Xylobolus frustulatus) on a fallen oak in Hensel Park. College Station, Texas, December 2, 2017Hensel Park DriveWay, College Station, TX 77840, USA
Ceramic parchment fungus (Xylobolus frustulatus)(?) on a barkless stump of red cedar on Kiwanis Nature Trail. College Station, Texas, December 7, 2017Kiwanis Nature Trail, College Station, Brazos County, Texas, 77843, United States
Ceramic parchment fungus (Xylobolus frustulatus) on a fallen oak in Hensel Park. College Station, Texas, December 9, 2017Hensel Park DriveWay, College Station, TX 77840, USA
Ceramic parchment (Xylobolus frustulatus) mushrooms on a fallen oak in Lick Creek Park. College Station, Texas, December 15, 2017Iron Bridge Trail, College Station, TX 77845, USA
Texture of ceramic parchment (Xylobolus frustulatus) mushrooms on a fallen oak in Lick Creek Park. College Station, Texas, December 15, 2017Iron Bridge Trail, College Station, TX 77845, USA
Ceramic parchment fungus Xylobolus frustulatus together with Xylobolus subpileatus(?) on a fallen oak in Lick Creek Park. College Station, Texas, March 12, 2018Raccoon Run, College Station, TX 77845, USA
Ceramic parchment fungus Xylobolus frustulatus on a fallen oak in Lick Creek Park. College Station, Texas, March 12, 2018Raccoon Run, College Station, TX 77845, USA
Ceramic parchment fungus Xylobolus frustulatus together with Xylobolus subpileatus(?) on a large fallen oak in Lick Creek Park. College Station, Texas, March 12, 2018Raccoon Run, College Station, TX 77845, USA
Ceramic parchment fungus Xylobolus frustulatus on a fallen oak in Lick Creek Park. College Station, Texas, March 19, 2018Raccoon Run, College Station, TX 77845, USA
Ceramic parchment fungus Xylobolus frustulatus together with Xylobolus subpileatus(?) on a fallen oak in Lick Creek Park. College Station, Texas, March 19, 2018Raccoon Run, College Station, TX 77845, USA
Fresh ceramic parchment fungus (Xylobolus frustulatus) on a rotting oak log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, May 5, 2018Little Lake Creek Loop Trail, Montgomery, TX 77356, USA
Ceramic parchment fungus (Xylobolus frustulatus) on a rotting oak log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, May 5, 2018Little Lake Creek Loop Trail, Montgomery, TX 77356, USA
Fresh ceramic parchment fungus (Xylobolus frustulatus) growing on a rotting oak log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, May 5, 2018Little Lake Creek Loop Trail, Montgomery, TX 77356, USA
Ceramic parchment fungus Xylobolus frustulatus on a large wet oak log in Lick Creek Park. College Station, Texas, July 9, 2018Raccoon Run, College Station, TX 77845, USA
Ceramic parchment fungus Xylobolus frustulatus together with Xylobolus subpileatus(?) on a large wet oak log in Lick Creek Park. College Station, Texas, July 9, 2018Raccoon Run, College Station, TX 77845, USA
Brown crust of ceramic parchment fungus Xylobolus frustulatus on a large wet oak log in Lick Creek Park. College Station, Texas, July 9, 2018Raccoon Run, College Station, TX 77845, USA
Xylobolus subpileatus(?) together with ceramic parchment fungus Xylobolus frustulatus on a large wet oak log in Lick Creek Park. College Station, Texas, July 9, 2018Raccoon Run, College Station, TX 77845, USA
Close up of ceramic parchment fungus Xylobolus frustulatus on a large wet oak log in Lick Creek Park. College Station, Texas, July 9, 2018Raccoon Run, College Station, TX 77845, USA
Texture of ceramic parchment fungus Xylobolus frustulatus on a large wet oak log in Lick Creek Park. College Station, Texas, July 9, 2018Raccoon Run, College Station, TX 77845, USA
Pattern of ceramic parchment fungus Xylobolus frustulatus on a large wet oak log in Lick Creek Park. College Station, Texas, July 9, 2018Raccoon Run, College Station, TX 77845, USA
Encrustment by ceramic parchment fungus Xylobolus frustulatus of a large wet oak log in Lick Creek Park. College Station, Texas, July 9, 2018Raccoon Run, College Station, TX 77845, USA
Ceramic parchment fungus (Xylobolus frustulatus mushrooms) on a cut surface of an oak log in Lick Creek Park. College Station, Texas, November 22, 201814802 Rock Prairie Rd, College Station, TX 77845, USA
Ceramic parchment mushrooms (Xylobolus frustulatus) on a short oak log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, October 26, 2019Little Lake Creek Loop Trail, Montgomery, TX 77356, USA
Close up of ceramic parchment mushrooms (Xylobolus frustulatus) on a cut surface of an oak log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, October 26, 2019Little Lake Creek Loop Trail, Montgomery, TX 77356, USA
Ceramic parchment fungus (Xylobolus frustulatus) on a fallen oak on Winters Bayou Trail in Sam Houston National Forest. Cleveland, Texas, February 1, 2020Forest Service Rd 274B, Cleveland, TX 77328, USA
Texture of ceramic parchment fungus (Xylobolus frustulatus) on a fallen oak on Winters Bayou Trail in Sam Houston National Forest. Cleveland, Texas, February 1, 202012021 Fm 2025 Rd, Cleveland, TX 77328, USA
Oak curtain crust fungus (Hymenochaete rubiginosa) together with ceramic parchment (Xylobolus frustulatus) on Kirby Trail in Big Thicket National Preserve. Warren, Texas, October 17, 2020Kirby Nature Trail, Hardin County, Texas, United States
Black caps of ceramic parchment fungus (Xylobolus frustulatus) on an oak log on Kirby Trail in Big Thicket National Preserve. Warren, Texas, October 17, 2020Kirby Nature Trail, Hardin County, Texas, United States
Pattern of ceramic parchment fungus (Xylobolus frustulatus) on an oak log on Kirby Trail in Big Thicket National Preserve. Warren, Texas, October 17, 2020Kirby Nature Trail, Hardin County, Texas, United States
Close-up of ceramic parchment fungus (Xylobolus frustulatus) on an oak log on Kirby Trail in Big Thicket National Preserve. Warren, Texas, October 17, 2020Kirby Nature Trail, Hardin County, Texas, United States
Ceramic parchment fungus (Xylobolus frustulatus) on an oak log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, January 7, 2023Little Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States
Close-up of ceramic parchment fungus (Xylobolus frustulatus) on an oak log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, January 7, 2023Little Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States
Texture of ceramic parchment fungus (Xylobolus frustulatus) on an oak log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, January 7, 2023Little Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States
Pattern of growth of ceramic parchment fungus (Xylobolus frustulatus) on an oak log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, January 7, 2023Little Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States
Spores of ceramic parchment fungus (Xylobolus frustulatus) collected a day before on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, January 8, 2023The observations document the presence of Xylobolus frustulatus, a fungus species, in East and Central Texas. The fungus was found on oak logs, stumps, and fallen trees in various parks and forests, including Hensel Park, Lick Creek Park, Sam Houston National Forest, and Big Thicket National Preserve. Observations were made over several years, from 2017 to 2023, with multiple sightings in different locations. The fungus was often found growing alongside other species, such as Xylobolus subpileatus. The observations include descriptions of the fungus's texture, pattern, and spores, providing a comprehensive record of its presence and characteristics in the region. Overall, the data suggest that Xylobolus frustulatus is a common and widespread species in East and Central Texas, particularly in areas with oak trees.
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