 Pear-shaped puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on rotting oak wood in Huntsville State Park. Texas, December 18, 2020
 Dry pear-shaped puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) in Huntsville Park. Texas, December 28, 2013
 Dry brown pear-shaped puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) in Huntsville Park. Texas, December 28, 2013
 Mature pear-shaped puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) in Huntsville Park. Texas, December 28, 2013
 Pear-shaped puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on Kiwanis Nature Trail. College Station, Texas, December 25, 2017
 Pear-shaped puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on a stump on Little Lake Creek Loop Trail east from Trailhead No. 4 in Sam Houston National Forest, near Montgomery. Texas, December 22, 2020
 Pear-shaped puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on rotting oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 29, 2020
 Close up of pear-shaped puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on Kiwanis Nature Trail. College Station, Texas, December 20, 2017
 Pear-shaped puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on rotten wood on Kiwanis Nature Trail. College Station, Texas, December 20, 2017
 Pear-shaped puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on a fallen tree on Kiwanis Nature Trail. College Station, Texas, December 20, 2017
 Pear-shaped stump puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) in Lick Creek Park. College Station, Texas, November 6, 2018
 Mature pear-shaped stump puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) in Lick Creek Park. College Station, Texas, November 22, 2018
 Immature pear-shaped stump puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) in Lick Creek Park. College Station, Texas, October 30, 2018
 Pear-shaped stump puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on a fallen oak in Lick Creek Park. College Station, Texas, November 6, 2018
 Pear-shaped stump puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on rotting oak in Lick Creek Park. College Station, Texas, November 6, 2018
 Pear-shaped stump puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, February 16, 2020
 Masses of pear-shaped stump puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) near Raccoon Run Trail in Lick Creek Park. College Station, Texas, November 6, 2018
 Last year pear-shaped stump puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on Kiwanis Nature Trail. College Station, Texas, March 1, 2018
 Pear-shaped stump puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on an oak log on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, December 1, 2019
 Masses of pear-shaped stump puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on a downed oak near Raccoon Run Trail in Lick Creek Park. College Station, Texas, November 6, 2018
 Pear-shaped stump puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on a tree log on Kirby Trail in Big Thicket National Preserve. Warren, Texas, November 10, 2013
 Pear-shaped stump puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, October 28, 2018
 Pear-shaped stump puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on a fallen oak in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, November 27, 2019
 Pear-shaped stump puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, November 18, 2019
 Pear-shaped stump puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on a rotten tree on Kirby Trail in Big Thicket National Preserve. Warren, Texas, November 10, 2013
 Masses of pear-shaped stump puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on a tree log on Kirby Trail in Big Thicket National Preserve. Warren, Texas, November 10, 2013
 Clusters of pear-shaped stump puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on a tree log on Kirby Trail in Big Thicket National Preserve. Warren, Texas, November 10, 2013
 Close up of pear-shaped stump puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on a tree log on Kirby Trail in Big Thicket National Preserve. Warren, Texas, November 10, 2013
 Pear-shaped stump puffball mushroom (Lycoperdon pyriforme, Apioperdon pyriforme) on Kiwanis Nature Trail. College Station, Texas, March 1, 2018
 Pear-shaped stump puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on a fallen oak on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, November 18, 2019
 Pear-shaped stump puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on frying pan collected from a tree log on Kirby Trail in Big Thicket National Preserve. College Station, Texas, November 10, 2013
 Pear-shaped puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) near fallen oak branches at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 18, 2021
 Pear-shaped stump puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, March 7, 2021
 Pear-shaped stump puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) in cross section on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, March 7, 2021
 Stump puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on rotting oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 29, 2020
 Old pear-shaped puffball mushrooms (Lycoperdon pyriforme) in Sosnovka Park. Saint Petersburg, Russia, December 31, 2016
 Stump puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on Kirby Trail in Big Thicket National Preserve. Warren, Texas, November 10, 2018
 Pear-shaped puffball mushrooms (Lycoperdon pyriforme) in Sosnovka Park. Saint Petersburg, Russia, August 28, 2016
 Pear-shaped puffball mushrooms (Lycoperdon pyriforme) shaped like pointed eggs on a birch tree near Lisiy Nos, west from Saint Petersburg, Russia, August 23, 2016
 Mature pear-shaped puffball mushrooms (Lycoperdon pyriforme) in Sosnovka Park. Saint Petersburg, Russia, November 23, 2016
 Pear-shaped stump puffball mushrooms (Lycoperdon pyriforme)(?) in Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Old pear-shaped puffball mushrooms (Lycoperdon pyriforme) on a stump near northern road in Yuntolovsky Park. Saint Petersburg, Russia, March 1, 2017
 Compact group of pear-shaped stump puffball mushrooms (Lycoperdon pyriforme) in Sosnovka Park. Saint Petersburg, Russia, October 31, 2016
 Pear-shaped puffball mushrooms (Lycoperdon pyriforme) near Kavgolovskoe Lake. North from Saint Petersburg, Russia, September 21, 2016
 Pear-shaped puffball mushrooms (Lycoperdon pyriforme) east from Kuzmolovo in northern Saint Petersburg. Russia, September 8, 2016
 Pear-shaped puffball mushrooms (Lycoperdon pyriforme) in Posiolok near Vyritsa, south from Saint Petersburg, Russia, October 16, 2016
 Pear-shaped puffball mushrooms (Lycoperdon pyriforme) near Kavgolovo Lake, north from Saint Petersburg. Russia, September 5, 2016
 Pear-shaped puffball mushrooms (Lycoperdon pyriforme) near Dibuny, north-west from Saint Petersburg, Russia, August 24, 2016
 Pear-shaped puffball mushrooms (Lycoperdon pyriforme) with some fungus on an oak tree near Lisiy Nos, west from Saint Petersburg. Russia, March 3, 2017
 Pear-shaped puffball mushrooms (Lycoperdon pyriforme) on a mossy log east from Kuzmolovo in northern Saint Petersburg. Russia, September 8, 2016
 Pear-shaped stump puffball mushrooms (Lycoperdon pyriforme) in area of New Sylvia in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, September 8, 2018
 Pear-shaped puffball mushrooms (Lycoperdon pyriforme) on a logging site near Hallojarvi (Gorynskoe) Lake near Lembolovo, 40 miles north from Saint Petersburg. Russia, April 27, 2017
 Pear-shaped puffball mushroom (Lycoperdon pyriforme) with spots of fungus on an oak tree near Lisiy Nos, west from Saint Petersburg. Russia, March 3, 2017
 Dense cluster of gear-shaped stump puffball mushrooms (Lycoperdon pyriforme) in area of New Sylvia in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, September 8, 2018
 Mature stump puffball mushrooms (Lycoperdon pyriforme) behind a tree utilization site in Sosnovka Park. Saint Petersburg, Russia, May 2, 2021
 Stump puffball mushrooms (Lycoperdon pyriforme) near Kuzmolovo, north from Saint Petersburg. Russia, September 24, 2017
 Sporulating mature stump puffball mushrooms (Lycoperdon pyriforme) behind a tree utilization site in Sosnovka Park. Saint Petersburg, Russia, May 2, 2021
 Overwintered mature stump puffball mushrooms (Lycoperdon pyriforme) behind a tree utilization site in Sosnovka Park. Saint Petersburg, Russia, May 2, 2021
 Mature stump puffball mushrooms (Apioperdon pyriforme) south from Northern Trailhead for the Turkey Creek Trail of Big Thicket National Preserve. Warren, Texas, November 27, 2021
 Immature stump puffball mushrooms (Lycoperdon pyriforme)(?) on a mossy stump in Sosnovka Park. Saint Petersburg, Russia, August 28, 2016
 Puffball mushrooms (Lycoperdon pyriforme) on a tree of Grand Parterre in Letniy Sad (Summer Garden). Saint Petersburg, Russia, October 5, 2016
 Stump puffball mushrooms (Lycoperdon pyriforme) in Blizhnie Dubki area near Lisiy Nos, west from Saint Petersburg. Russia, September 11, 2017
 Stump puffball mushrooms (Lycoperdon pyriforme) on a rotten log in Blizhnie Dubki area near Lisiy Nos, west from Saint Petersburg. Russia, September 11, 2017
 Stump puffball mushrooms (Lycoperdon pyriforme) on wood in Blizhnie Dubki area near Lisiy Nos, west from Saint Petersburg. Russia, September 11, 2017
 Stump puffball mushrooms (Apioperdon pyriforme) on a rotting oak log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, November 28, 2021
 Masses of stump puffball mushrooms (Apioperdon pyriforme) on a rotting oak log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, November 28, 2021
 Mature stump puffball mushrooms (Apioperdon pyriforme) on a rotting oak log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, November 28, 2021
 Stump puffball mushrooms (Lycoperdon pyriforme) on a rotten stump in Blizhnie Dubki area near Lisiy Nos, west from Saint Petersburg. Russia, September 11, 2017
 Mature puffball mushrooms (Lycoperdon perlatum) on Chinquapin Trail in Huntsville State Park. Texas, November 3, 2013
 Mat of common bladder-moss (Physcomitrium pyriforme) with bryoparasitic Pezizales mushrooms Octospora excipulata(?) near Lost Pines Loop Trail in Bastrop State Park. Bastrop, Texas, February 28, 2021
 Small bryoparasitic cup mushrooms Octospora excipulata(?) among common bladder-moss (Physcomitrium pyriforme) near Lost Pines Loop Trail in Bastrop State Park. Bastrop, Texas, February 28, 2021
 Bryoparasitic Pezizales mushrooms Octospora excipulata(?) among common bladder-moss (Physcomitrium pyriforme) near Lost Pines Loop Trail in Bastrop State Park. Bastrop, Texas, February 28, 2021
 Bryoparasitic Pezizales mushrooms Octospora excipulata(?) in a mat of common bladder-moss (Physcomitrium pyriforme) near Lost Pines Loop Trail in Bastrop State Park. Bastrop, Texas, February 28, 2021
 Close-up of bryoparasitic Pezizales mushrooms Octospora excipulata(?) among common bladder-moss (Physcomitrium pyriforme) near Lost Pines Loop Trail in Bastrop State Park. Bastrop, Texas, February 28, 2021
 Common puffball mushrooms (Lycoperdon perlatum) on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, December 30, 2021
 Orange cups of bryoparasitic Pezizales mushrooms Octospora excipulata(?) among common bladder-moss (Physcomitrium pyriforme) near Lost Pines Loop Trail in Bastrop State Park. Bastrop, Texas, February 28, 2021
 Common puffball mushrooms (Lycoperdon perlatum) in Lick Creek Park. College Station, Texas, February 5, 2020
 Spiked puffball mushrooms (Lycoperdon perlatum) in Lick Creek Park. College Station, Texas, February 5, 2020
 Cross section of rooting puffball mushrooms (Lycoperdon radicatum) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 20, 2021
 Rooting puffball mushrooms (Lycoperdon radicatum) on a grassy path at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 20, 2021
 Small orange cups of bryoparasitic Pezizales mushrooms Octospora excipulata(?) among common bladder-moss (Physcomitrium pyriforme) near Lost Pines Loop Trail in Bastrop State Park. Bastrop, Texas, February 28, 2021
 Bryoparasitic Pezizales mushrooms Octospora excipulata(?) on compacted sand covered by common bladder-moss (Physcomitrium pyriforme) near Lost Pines Loop Trail in Bastrop State Park. Bastrop, Texas, February 28, 2021
 Peeling puffball mushroom (Lycoperdon marginatum) in Bastrop State Park. Bastrop, Texas, March 24, 2020
 Dissected spiked puffball mushrooms (Lycoperdon perlatum) in Lick Creek Park. College Station, Texas, February 5, 2020
 Young peeling puffball mushroom (Lycoperdon marginatum) in Bastrop State Park. Bastrop, Texas, March 24, 2020
 Puffball mushrooms Lycoperdon(?) at Center for Biological Field Studies on Fish Hatchery Road. Huntsville, Texas, September 16, 2018
 Puffball mushrooms Vascellum pratense (Lycoperdon pratense) on a lawn near Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 18, 2020
 Puffball mushrooms Lycoperdon curtisii (Vascellum curtisii) in Bee Creek Park. College Station, Texas, December 21, 2017
 Peeling puffball mushrooms (Lycoperdon marginatum) in Bastrop State Park. Bastrop, Texas, October 17, 2021
 False puffball (Reticularia lycoperdon, Enteridium lycoperdon) on a pine tree in Sosnovka Park. Saint Petersburg, Russia, May 31, 2017
 Puffball mushrooms Lycoperdon marginatum in a burnt forest in Bastrop State Park. Bastrop, Texas, November 28, 2019
 Peeling puffball mushrooms (Lycoperdon marginatum) on Richards Loop Trail in Sam Houston National Forest. Texas, March 26, 2020
 Peeling puffball mushrooms (Lycoperdon marginatum)(?) on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
 Dissected rooting puffball mushroom (Lycoperdon radicatum) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 20, 2021
 Peeling puffball mushroom (Lycoperdon marginatum)(?) in Lick Creek Park. College Station, Texas, May 22, 2020
 Common bladder-moss (Physcomitrium pyriforme) on exposed soil at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 24, 2021
 Close-up of an orange cup of bryoparasitic Pezizales fungus Octospora excipulata(?) growing together with common bladder-moss (Physcomitrium pyriforme) near Lost Pines Loop Trail in Bastrop State Park. Bastrop, Texas, February 28, 2021
 Mature common puffball mushrooms (Lycoperdon perlatum) on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, December 5, 2021
 Common puffball mushrooms (Lycoperdon perlatum) together with Chroogomphus vinicolor on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, December 5, 2021
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