 Prostrate form of purple toothed polypore fungus (Trichaptum biforme) covering a birch log in Sosnovka Park. Saint Petersburg, Russia, March 20, 2017
 Prostrate form of purple toothed polypore mushrooms (Trichaptum biforme) on 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
 Purple toothed polypore mushrooms (Trichaptum biforme) on a birch log in Sosnovka Park. Saint Petersburg, Russia, March 20, 2017
 Upper view of purple toothed polypore mushrooms (Trichaptum biforme) on a birch log in Sosnovka Park. Saint Petersburg, Russia, March 20, 2017
 Young purple toothed polypore mushrooms (Trichaptum biforme) on a birch log in Sosnovka Park. Saint Petersburg, Russia, August 14, 2017
 Purple toothed polypore mushrooms (Trichaptum biforme) on a fallen birch in area of Dibuny - Pesochny near Saint Petersburg. Russia, March 4, 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, August 20, 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) on a fallen birch near Dibuny, north-west from Saint Petersburg, Russia, May 5, 2021
 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 Sosnovka Park. Saint Petersburg, Russia, August 20, 2016
 Purple toothed polypore mushrooms (Trichaptum biforme) in Sosnovka Park. Saint Petersburg, Russia, December 31, 2016
 Young stage of purple toothed polypore fungus (Trichaptum biforme) near Lembolovo, north from Saint Petersburg. Russia, September 20, 2017
 Purple toothed polypore mushrooms (Trichaptum biforme)(?) on a tree in area of Dibuny - Pesochny near Saint Petersburg. Russia, March 4, 2017
 Small purple toothed polypore mushrooms (Trichaptum biforme)(?) on a tree in area of Dibuny - Pesochny near Saint Petersburg. Russia, March 4, 2017
 Young purple toothed polypore mushrooms (Trichaptum biforme) on a birch log near Lisiy Nos, west from Saint Petersburg. Russia, September 1, 2018
 Purple toothed polypore mushrooms (Trichaptum biforme) on a birch log in Lisiy Nos, 5 miles west from Saint Petersburg. Russia, August 5, 2016
 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 Lisiy Nos, west from Saint Petersburg. Russia, September 12, 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 fallen oak on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, March 22, 2020
 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) in a coastal forest between Lisiy Nos and Olgino, west from Saint Petersburg. Russia, September 6, 2018
 Old green second-year purple toothed polypore mushrooms (Trichaptum biforme) in Dibuny, north-west from Saint Petersburg, Russia, October 23, 2016
 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
 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
 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
 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
 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
 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
 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
 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
 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
 Purple toothed polypore mushrooms (Trichaptum biforme) in Huntsville Park. Texas, December 8, 2013
 Purple toothed polypore mushrooms (Trichaptum biforme) in Huntsville State Park. Texas, November 15, 2019
 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
 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
 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) 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
 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 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 log near Orange Trail in Devils Hopyard State Park. East Haddam, Connecticut, October 1, 2004
 Corticioid form of mushroom Trichaptum abietinum on a fallen pine in Sosnovka Park. Saint Petersburg, Russia, April 4, 2017
 Corticioid form of mushroom Trichaptum fuscoviolaceum on a fallen pine in Sosnovka Park. Saint Petersburg, Russia, April 4, 2017
 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
 Crust of corticioid form of mushroom Trichaptum abietinum on a fallen pine in Sosnovka Park. Saint Petersburg, Russia, April 4, 2017
 Corticioid form of mushroom Trichaptum abietinum with algae on a fallen pine in Sosnovka Park. Saint Petersburg, Russia, April 4, 2017
 Texture of corticioid form of mushroom Trichaptum fuscoviolaceum on a fallen pine in Sosnovka Park. Saint Petersburg, Russia, April 4, 2017
 Crust of corticioid form of mushroom Trichaptum fuscoviolaceum on a fallen pine in Sosnovka Park. Saint Petersburg, Russia, April 4, 2017
 Crust of corticioid form of mushroom Trichaptum abietinum on a fallen pine in Sosnovka Park. Saint Petersburg, Russia, April 4, 2017
 Pores of corticioid form of mushroom Trichaptum abietinum on a fallen pine in Sosnovka Park. Saint Petersburg, Russia, April 4, 2017
 Pores of corticioid form of mushroom Trichaptum abietinum on a fallen pine in Sosnovka Park. Saint Petersburg, Russia, April 4, 2017
 Pattern of corticioid form of mushroom Trichaptum fuscoviolaceum on a fallen pine in Sosnovka Park. Saint Petersburg, Russia, April 4, 2017
 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 fallen oak on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, December 15, 2019
 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
 Purple toothed polypore mushrooms (Trichaptum biforme) on Winters Bayou Trail in Sam Houston National Forest. Cleveland, Texas, October 27, 2019
 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
 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
 Violet toothed polypore mushrooms (Trichaptum biforme) together with Trichaptum sector on Chinquapin Trail in Huntsville State Park. Texas, September 24, 2020
 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
 Purple toothed polypore mushrooms (Trichaptum biforme) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 29, 2018
 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
 Mossy purple toothed polypore mushrooms (Trichaptum biforme) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, June 26, 2019
 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
 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
 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
 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 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
 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
 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
 Violet toothed polypore mushrooms (Trichaptum biforme)(?) on a fallen tree on Kirby Trail in Big Thicket National Preserve. Warren, Texas, October 17, 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
 Prostrate form of tinder mushrooms Trichaptum sector with purplish brown pore surface on a fallen branch of river birch in Lick Creek Park. College Station, Texas, May 24, 2018
 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
 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
 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
 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
 Crust of fungus Trichaptum fuscoviolaceum on a fallen pine in Sosnovka Park. Saint Petersburg, Russia, April 4, 2017
 Prostrate form of white-rot fungus Heterobasidion parviporum on underside of a big fallen spruce in area of Blizhnie Dubki near Lisiy Nos, west from Saint Petersburg. Russia, April 7, 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
 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
 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
 Corticioid form of mushroom Trichaptum fuscoviolaceum growing on bark of pine in Sosnovka Park. Saint Petersburg, Russia, April 4, 2017
 Violet toothed polypore mushrooms (Trichaptum biforme) on Chinquapin Trail in Huntsville State Park. Texas, September 24, 2020
 Tinder conk mushroom (polypore fungus Fomes fomentarius) on a birch in Sosnovka Park. Saint Petersburg, Russia, March 20, 2017
 Ochre cushion fungus (Trichoderma pulvinatum) on a birch polypore mushroom in Sosnovka Park. Saint Petersburg, Russia, March 27, 2017
 Birch polypore mushroom with a mold like ochre cushion fungus (Trichoderma pulvinatum) in Sosnovka Park. Saint Petersburg, Russia, March 27, 2017
 Pores of prostrate form of hairy bracket mushrooms (Trametes hirsuta)(?) taken from a fallen willow in Yuntolovsky Park. Saint Petersburg, Russia, April 9, 2017
 Fungus (mushroom) Cylindrobasidium evolvens growing on fallen birch leaves taken from peat area in Sosnovka Park. Saint Petersburg, Russia, March 23, 2017
 Fungus (mushroom) Cylindrobasidium evolvens growing on fallen birch leaves on peat in swampy area of Sosnovka Park. Saint Petersburg, Russia, March 23, 2017
 Prostrate form of young thin-walled maze polypore mushroom (Blushing Bracket, Daedaleopsis confragosa) on a dry branch of hazelnut in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, March 17, 2017
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