 Young purple toothed polypore mushrooms (Trichaptum biforme) on a birch log in Sosnovka Park. Saint Petersburg, Russia, August 14, 2017
 Young purple toothed polypore mushrooms (Trichaptum biforme) on a birch log near Lisiy Nos, west from Saint Petersburg. Russia, September 1, 2018
 Prostrate form of purple toothed polypore fungus (Trichaptum biforme) on a fallen birch in Sosnovka Park. Saint Petersburg, Russia, March 20, 2017
 Prostrate form of purple toothed polypore fungus (Trichaptum biforme) covering a birch log in Sosnovka Park. Saint Petersburg, Russia, March 20, 2017
 Old purple toothed polypore mushrooms (Trichaptum biforme) with algae and tiny black Fairy Pins fungus (polypore club lichen, Phaeocalicium polyporaeum) on its surface on a fallen birch in Sosnovka Park. Saint Petersburg, Russia, March 20, 2017
 Masses of purple toothed polypore mushrooms (Trichaptum biforme) in Sosnovka Park. Saint Petersburg, Russia, March 20, 2017
 Purple toothed polypore mushrooms (Trichaptum biforme) on a birch log in Sosnovka Park. Saint Petersburg, Russia, March 20, 2017
 Purple toothed polypore mushrooms (Trichaptum biforme) on a birch log near Lisiy Nos, south from Saint Petersburg. Russia, February 18, 2017
 Purple toothed polypore mushrooms (Trichaptum biforme) in Lisiy Nos, west from Saint Petersburg. Russia, September 12, 2016
 Purple toothed polypore mushrooms (Trichaptum biforme)(?) on a tree in area of Dibuny - Pesochny near Saint Petersburg. Russia, March 4, 2017
 Upper view of purple toothed polypore mushrooms (Trichaptum biforme) on a birch log in Sosnovka Park. Saint Petersburg, Russia, March 20, 2017
 Purple toothed polypore mushrooms (Trichaptum biforme) on a fallen birch in area of Dibuny - Pesochny near Saint Petersburg. Russia, March 4, 2017
 Prostrate form of purple toothed polypore mushrooms (Trichaptum biforme) on a birch log in Sosnovka Park. Saint Petersburg, Russia, March 20, 2017
 Small purple toothed polypore mushrooms (Trichaptum biforme)(?) on a tree in area of Dibuny - Pesochny near Saint Petersburg. Russia, March 4, 2017
 Purple toothed polypore mushrooms (Trichaptum biforme) in a coastal forest between Lisiy Nos and Olgino, west from Saint Petersburg. Russia, September 6, 2018
 Purple toothed polypore mushrooms (Trichaptum biforme) on a fallen birch near Dibuny, north-west from Saint Petersburg, Russia, May 5, 2021
 Old green second-year purple toothed polypore mushrooms (Trichaptum biforme) in Dibuny, north-west from Saint Petersburg, Russia, October 23, 2016
 Purple toothed polypore mushrooms (Trichaptum biforme) in Sosnovka Park. Saint Petersburg, Russia, August 20, 2016
 Purple toothed polypore mushrooms (Trichaptum biforme) in Sosnovka Park. Saint Petersburg, Russia, December 31, 2016
 Purple toothed polypore mushrooms (Trichaptum biforme) on a birch log in Sosnovka Park. Saint Petersburg, Russia, December 31, 2016
 Purple toothed polypore mushrooms (Trichaptum biforme) in Lisiy Nos, 5 miles west from Saint Petersburg. Russia, August 5, 2016
 Purple toothed polypore mushrooms (Trichaptum biforme) on a birch log in Sosnovka Park. Saint Petersburg, Russia, August 20, 2016
 Purple toothed polypore mushrooms (Trichaptum biforme) on a birch log in Lisiy Nos, 5 miles west from Saint Petersburg. Russia, August 5, 2016
 Mature purple toothed polypore mushrooms (Trichaptum biforme) on a fallen elm on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, September 11, 2020
 Fairy Pins fungus (polypore club lichen, Phaeocalicium polyporaeum) on purple toothed polypore mushrooms (Trichaptum biforme) on Four Notch Loop Trail of Sam Houston National Forest near Huntsville. Texas, January 23, 2021
 Purple toothed polypore mushrooms (Trichaptum biforme) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 29, 2018
 Texture of mature purple toothed polypore mushrooms (Trichaptum biforme) on a fallen elm on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, September 11, 2020
 Purple toothed polypore mushrooms (Trichaptum biforme) on a mossy log on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 29, 2018
 Fairy Pins fungus (polypore club lichen, Phaeocalicium polyporaeum) on purple toothed polypore mushrooms (Trichaptum biforme) with green algae near Pole Creek on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, February 21, 2021
 Caps of purple toothed polypore mushrooms (Trichaptum biforme) together with Trichaptum sector on a fallen oak on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, March 1, 2019
 Purple toothed polypore mushrooms (Trichaptum biforme) in Huntsville Park. Texas, December 8, 2013
 Caps of mature purple toothed polypore mushrooms (Trichaptum biforme) with green algae on a fallen elm on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, September 11, 2020
 Fairy Pins fungus (polypore club lichen, Phaeocalicium polyporaeum) on purple toothed polypore mushrooms (Trichaptum biforme) with green algae on a mossy trunk of a fallen oak near Pole Creek on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, February 21, 2021
 Purple toothed polypore mushrooms (Trichaptum biforme) in Huntsville State Park. Texas, November 15, 2019
 Tiny black Fairy Pins fungus (polypore club lichen, Phaeocalicium polyporaeum) on purple toothed polypore mushrooms (Trichaptum biforme) with algae on an oak fallen across a creek on Four Notch Loop Trail of Sam Houston National Forest near Huntsville. Texas, January 23, 2021
 Violet toothed polypore mushrooms (Trichaptum biforme) together with Trichaptum sector on Chinquapin Trail in Huntsville State Park. Texas, September 24, 2020
 Violet toothed polypore mushrooms (Trichaptum biforme) together with Trichaptum sector on a fallen oak on Chinquapin Trail in Huntsville State Park. Texas, September 24, 2020
 Underside of purple toothed polypore mushrooms (Trichaptum biforme) in Huntsville State Park. Texas, November 15, 2019
 Purple toothed polypore mushrooms (Trichaptum biforme) on Chinquapin Trail in Huntsville State Park. Texas, November 15, 2019
 Purple toothed polypore mushrooms (Trichaptum biforme) on a dry oak on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
 Purple toothed polypore mushrooms (Trichaptum biforme) on Winters Bayou Trail in Sam Houston National Forest. Cleveland, Texas, October 27, 2019
 Underside of purple toothed polypore mushrooms (Trichaptum biforme) on a dry oak on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
 Purple toothed polypore mushrooms (Trichaptum biforme) on a dry oak on Four Notch Loop Trail of Sam Houston National Forest near Huntsville. Texas, January 23, 2021
 Purple toothed polypore mushrooms (Trichaptum biforme) with a fungal growth on a fallen oak on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, December 14, 2019
 Purple toothed polypore mushrooms (Trichaptum biforme) with some powdery growth on a fallen oak on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, December 14, 2019
 Old caps of purple toothed polypore mushrooms (Trichaptum biforme) with a fungal growth on a fallen oak on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, December 14, 2019
 Caps of purple toothed polypore mushrooms (Trichaptum biforme) on a dry oak on Four Notch Loop Trail of Sam Houston National Forest near Huntsville. Texas, January 23, 2021
 Purple toothed polypore mushrooms (Trichaptum biforme) on a log near Orange Trail in Devils Hopyard State Park. East Haddam, Connecticut, October 1, 2004
 Mossy purple toothed polypore mushrooms (Trichaptum biforme) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, June 26, 2019
 Masses of purple toothed polypore mushrooms (Trichaptum biforme) on a fallen oak across Pole Creek on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, December 14, 2019
 Purple toothed polypore mushrooms (Trichaptum biforme) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, August 4, 2019
 Cap of purple toothed polypore mushrooms (Trichaptum biforme) on a fallen oak on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, March 1, 2019
 Purple toothed polypore mushrooms (Trichaptum biforme) on a fallen oak on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, March 1, 2019
 Purple toothed polypore mushrooms (Trichaptum biforme) on a fallen oak on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, March 22, 2020
 Purple toothed polypore mushrooms (Trichaptum biforme) on a fallen oak on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, December 15, 2019
 Caps of purple toothed polypore mushrooms (Trichaptum biforme) on a fallen oak on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, March 1, 2019
 Purple toothed polypore mushrooms (Trichaptum biforme) with mosses on a fallen oak on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, March 22, 2020
 Close up of purple toothed polypore mushrooms (Trichaptum biforme) on a fallen oak on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, March 1, 2019
 Close-up of purple toothed polypore mushrooms (Trichaptum biforme(?)) on a dry sweetgum tree on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, August 25, 2020
 Caps of purple toothed polypore mushrooms (Trichaptum biforme(?)) on a dry sweetgum tree on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, August 25, 2020
 Purple toothed polypore mushrooms (Trichaptum biforme) with green algae on a fallen oak on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, March 22, 2020
 Velvety caps of purple toothed polypore mushrooms (Trichaptum biforme) on a fallen oak on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, March 1, 2019
 Violet toothed polypore mushrooms (Trichaptum biforme) on Chinquapin Trail in Huntsville State Park. Texas, September 24, 2020
 Purple toothed polypore mushrooms (Trichaptum biforme) on a broken sweet gum tree on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, April 22, 2018
 Decomposing purple toothed polypore mushrooms (Trichaptum biforme) with green algae on a fallen oak on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, March 22, 2020
 Masses of violet toothed polypore fungus (Trichaptum biforme) on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, May 30, 2020
 Violet toothed polypore fungus (Trichaptum biforme) at the base of a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, May 30, 2020
 Purple toothed polypore mushrooms (Trichaptum biforme) on a fallen but alive sweet gum tree on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, April 22, 2018
 Purple toothed polypore mushrooms (Trichaptum biforme(?)) on a sweetgum tree on a slope of the creek on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, August 25, 2020
 Purple toothed polypore mushrooms (Trichaptum biforme(?)) covering trunk of a sweetgum tree on a slope of the creek on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, August 25, 2020
 Young resinous polypore mushrooms (Ischnoderma resinosum) north from Lembolovo, 40 miles north from Saint Petersburg. Russia, September 9, 2017
 Young stage of gelatinous green porecrust fungus (Gloeoporus pannocinctus) on rotten wood near Kuzmolovo, north from Saint Petersburg. Russia, September 3, 2017
 Violet toothed polypore mushrooms (Trichaptum biforme)(?) and may be anothe polypore fungi on a fallen tree on Kirby Trail in Big Thicket National Preserve. Warren, Texas, October 17, 2020
 Polypore fungus Diplomitoporus flavescens on a pine near Lembolovo, north from Saint Petersburg. Russia, September 20, 2017
 Caps of violet toothed polypore mushrooms (Trichaptum biforme)(?) and may be anothe polypore fungi on a fallen tree on Kirby Trail in Big Thicket National Preserve. Warren, Texas, October 17, 2020
 Violet toothed polypore mushrooms (Trichaptum biforme) on a log on Winters Bayou Trail in Sam Houston National Forest. Cleveland, Texas, August 27, 2022
 Toothed cup fungus (Tarzetta cupularis) on rich soil under young pines in Sosnovka Park. Saint Petersburg, Russia, September 16, 2017
 Violet toothed polypore mushrooms (Trichaptum biforme) on a dry tree near Pole Creek on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, December 15, 2021
 Violet toothed polypore mushrooms (Trichaptum biforme) on a fallen oak near Pole Creek on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, December 3, 2023
 Violet toothed polypore mushrooms (Trichaptum biforme) on a mossy oak log near Pole Creek on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, December 15, 2021
 Violet toothed polypore mushrooms (Trichaptum biforme) on a mossy log on Winters Bayou Trail in Sam Houston National Forest. Cleveland, Texas, August 27, 2022
 Violet toothed polypore mushrooms (Trichaptum biforme)(?) on a fallen tree on Kirby Trail in Big Thicket National Preserve. Warren, Texas, October 17, 2020
 Violet toothed polypore mushrooms (Trichaptum biforme)(?) on a dry half broken oak on Richards Loop Trail in Sam Houston National Forest. Texas, June 27, 2020
 Close-up of violet toothed polypore mushrooms (Trichaptum biforme) on a fallen oak near Pole Creek on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, December 3, 2023
 Violet toothed polypore mushrooms (Trichaptum biforme) and its underside at the base of a dry tree near Pole Creek on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, December 15, 2021
 Caps of violet toothed polypore mushrooms (Trichaptum biforme)(?) on a dry half broken oak on Richards Loop Trail in Sam Houston National Forest. Texas, June 27, 2020
 Violet toothed polypore mushrooms (Trichaptum biforme)(?) with their undersurface on a dry half broken oak on Richards Loop Trail in Sam Houston National Forest. Texas, June 27, 2020
 Violet toothed polypore mushrooms (Trichaptum biforme) on a fallen tree in Big Creek Scenic Area of Sam Houston National Forest near Shepherd. Texas, October 3, 2021
 Violet toothed polypore mushroom (Trichaptum biforme) at the base of a tree on Four Notch Loop Trail of Sam Houston National Forest near Huntsville. Texas, July 26, 2022
 Upper view of violet toothed polypore mushrooms (Trichaptum biforme)(?) on a dry half broken oak on Richards Loop Trail in Sam Houston National Forest. Texas, June 27, 2020
 Violet toothed polypore mushrooms (Trichaptum biforme) on an oak log on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, December 12, 2020
 Caps of violet toothed polypore mushrooms (Trichaptum biforme) on a fallen tree in Big Creek Scenic Area of Sam Houston National Forest near Shepherd. Texas, October 3, 2021
 Close-up of violet toothed polypore mushroom (Trichaptum biforme) at the base of a tree on Four Notch Loop Trail of Sam Houston National Forest near Huntsville. Texas, July 26, 2022
 Almost resupinate form of violet toothed polypore mushroom (Trichaptum biforme) on a fallen tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, November 21, 2021
 Resupinate form of violet toothed polypore mushroom (Trichaptum biforme) on a fallen tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, November 21, 2021
 Underside of violet toothed polypore mushrooms (Trichaptum biforme) on an oak log on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, December 12, 2020
 Young stage of false puffball slime mold (Reticularia lycoperdon) near Kuzmolovo, north from Saint Petersburg. Russia, September 24, 2017
 Upper view of immature violet toothed polypore mushroom (Trichaptum biforme)(?) on a fallen tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, November 21, 2021
 Young panthercap mushroom (Amanita pantherina)(?) north from Lembolovo, 40 miles north from Saint Petersburg. Russia, September 9, 2017
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