Synonyms: Fomes pallidus, Loweporus tephroporus, Perenniporia tephropora, Polyporus surinamensis, Polyporus tephroporus, Poria cinereoumbrina, Poria hanoiensis, Poria tephropora.
Truncospora tephropora is a species of fungus in the family Polyporaceae. It is characterized by its annual to biennial growth habit, with a semicircular to fan-shaped cap that ranges in color from grayish-brown to dark brown. The pore surface is yellowish-brown to dark brown. In East and Central Texas, Truncospora tephropora has been found growing on deciduous trees, particularly oak and willow, often on dead branches or stumps. It typically fruits in the spring and summer months.
Grey resupinate polypore mushroom Perenniporia tephropora (Truncospora tephropora)(?) on underside of a log in Hensel Park. College Station, Texas, April 14, 2018
Grey resupinate polypore fungus Perenniporia tephropora (Truncospora tephropora)(?) in Hensel Park. College Station, Texas, April 14, 2018
Resupinate polypore mushroom Perenniporia tephropora (Truncospora tephropora)(?) on an oak log on Kiwanis Nature Trail. College Station, Texas, June 10, 2021
Resupinate polypore mushroom Perenniporia tephropora (Truncospora tephropora)(?) with a rapidly blackened scratch on an oak log on Kiwanis Nature Trail. College Station, Texas, June 10, 2021
Grey resupinate polypore mushroom Perenniporia tephropora (Truncospora tephropora)(?) on bark of an oak log on Kiwanis Nature Trail. College Station, Texas, June 10, 2021
Grey resupinate polypore mushroom Perenniporia tephropora (Truncospora tephropora) on a fallen oak branch on Kiwanis Nature Trail. College Station, Texas, June 24, 2021
Grey resupinate polypore mushroom Perenniporia tephropora (Truncospora tephropora) on bark of an oak log on Kiwanis Nature Trail. College Station, Texas, June 24, 2021
Darkening scratch on a resupinate polypore mushroom Perenniporia tephropora (Truncospora tephropora) on bark of an oak log on Kiwanis Nature Trail. College Station, Texas, June 24, 2021
Close-up of resupinate polypore mushroom Perenniporia tephropora (Truncospora tephropora) on bark of an oak log on Kiwanis Nature Trail. College Station, Texas, June 24, 2021
Dissected resupinate polypore mushroom Perenniporia tephropora (Truncospora tephropora) on bark of an oak log on Kiwanis Nature Trail. College Station, Texas, June 24, 2021
Dark brown section of resupinate polypore mushroom Perenniporia tephropora (Truncospora tephropora) on an oak log on Kiwanis Nature Trail. College Station, Texas, June 24, 2021
Grey resupinate polypore mushroom Perenniporia tephropora (Truncospora tephropora) on a fallen oak on Kiwanis Nature Trail. College Station, Texas, June 24, 2021
Texture of grey resupinate polypore mushroom Perenniporia tephropora (Truncospora tephropora) on a fallen oak on Kiwanis Nature Trail. College Station, Texas, June 24, 2021
Close-up of grey resupinate polypore mushroom Perenniporia tephropora (Truncospora tephropora) on a fallen oak on Kiwanis Nature Trail. College Station, Texas, June 24, 2021
Pore pattern of grey resupinate polypore mushroom Perenniporia tephropora (Truncospora tephropora) on a fallen oak on Kiwanis Nature Trail. College Station, Texas, June 24, 2021
Close-up of grey resupinate polypore mushroom Perenniporia tephropora (Truncospora tephropora) growing over black Hypoxylon on a fallen oak on Kiwanis Nature Trail. College Station, Texas, June 24, 2021
Touph resupinate polypore mushroom Perenniporia tephropora (Truncospora tephropora) on cut surface of a fallen oak in a dry forest with juniper at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, May 31, 2022
Polypore mushroom Perenniporia tephropora (Truncospora tephropora) on cut surface of a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, May 31, 2022
Close-up of polypore mushroom Perenniporia tephropora (Truncospora tephropora) on cut surface of a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, May 31, 2022
Texture of polypore mushroom Perenniporia tephropora (Truncospora tephropora) on cut surface of a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, May 31, 2022
Pores of polypore mushroom Perenniporia tephropora (Truncospora tephropora) on cut surface of a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, May 31, 2022
Details of polypore mushroom Perenniporia tephropora (Truncospora tephropora) on cut surface of a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, May 31, 2022
Resupinate form of polypore mushroom Perenniporia tephropora (Truncospora tephropora) on cut surface of a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, May 31, 2022
Dissected polypore mushroom Perenniporia tephropora (Truncospora tephropora) on vertically cut surface of a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, May 31, 2022
Spores of a polypore mushroom Perenniporia tephropora (Truncospora tephropora) from a fallen oak, collected at Lake Somerville a day before. Spore size is 5.6 × 4.4 micron. Texas, June 1, 2022
Light brown resupinate polypore mushroom Perenniporia tephropora (Truncospora tephropora) on an oak log on Kiwanis Nature Trail. College Station, Texas, August 23, 2022
Scratched surface of light brown resupinate polypore mushroom Perenniporia tephropora (Truncospora tephropora) on an oak(?) log on Kiwanis Nature Trail. College Station, Texas, August 23, 2022
Pore surface of light brown resupinate polypore mushroom Perenniporia tephropora (Truncospora tephropora) on an oak log on Kiwanis Nature Trail. College Station, Texas, August 23, 2022
Spores of light brown resupinate polypore mushroom Perenniporia tephropora (Truncospora tephropora) from an oak(?) log collected a day before on Kiwanis Nature Trail. College Station, Texas, August 24, 2022
Tough grey polypore mushroom Perenniporia tephropora (Truncospora tephropora) on a vertically cut surface of a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
Close-up of tough grey polypore mushroom Perenniporia tephropora (Truncospora tephropora) on a vertically cut surface of a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
Polypore mushroom Perenniporia tephropora (Truncospora tephropora) on cut surface of a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 1, 2023
Close-up of polypore mushroom Perenniporia tephropora (Truncospora tephropora) on cut surface of a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 1, 2023
Resupinate polypore mushroom Perenniporia tephropora (Truncospora tephropora) on an oak log on Kiwanis Nature Trail. College Station, Texas, January 10, 2023
Resupinate polypore mushroom Perenniporia tephropora (Truncospora tephropora) in a crevice on an oak log on Kiwanis Nature Trail. College Station, Texas, January 10, 2023
Pores of resupinate polypore mushroom Perenniporia tephropora (Truncospora tephropora) in a crevice on an oak log on Kiwanis Nature Trail. College Station, Texas, January 10, 2023
Close-up of resupinate polypore mushroom Perenniporia tephropora (Truncospora tephropora) in a crevice on an oak log on Kiwanis Nature Trail. College Station, Texas, January 10, 2023
Margin of resupinate polypore mushroom Perenniporia tephropora (Truncospora tephropora) on an oak log on Kiwanis Nature Trail. College Station, Texas, January 10, 2023The observations describe the polypore mushroom Perenniporia tephropora (also known as Truncospora tephropora) found on oak logs and fallen trees in Texas. The mushroom was observed on multiple occasions between June 2022 and January 2023 at two locations: Kiwanis Nature Trail and Lake Somerville Trailway. It was noted to have a resupinate (crust-like) growth form, with a tough and grey to light brown texture. The pores on the underside of the mushroom were observed, and spores were measured to be approximately 5.6 × 4.4 microns in size. The mushroom was found growing on oak logs, both on the surface and in crevices, and was observed to have a consistent appearance throughout the observation period. Overall, the observations provide a detailed description of the morphology and growth habits of Perenniporia tephropora in its natural habitat.
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