 Close-up of witches butter jelly fungus (Exidia glandulosa) on a dry stem of a hackberry or pecan tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Growth of witches butter jelly fungus (Exidia glandulosa) on a dry stem of a hackberry or pecan tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Section of witches butter jelly fungus (Exidia glandulosa) on a dry stem of a hackberry or pecan tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Spores of witches butter jelly fungus (Exidia glandulosa) from hackberry or pecan, collected 3 days before in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 6, 2023
 Fungus Hypomyces rosellus(?) on remains of some jelly fungi on a pecan log in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Close-up of fungus Hypomyces rosellus(?) on remains of some jelly fungi on a pecan log in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Crust fungus Scytinostroma portentosum(?) on bark of a fallen branch of pecan tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Spores (in lugol) of a polypore mushroom Trametes elegans(?) from hackberry or pecan, collected a day before in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 29, 2023
 Spores (in methylene blue) of a polypore mushroom Trametes elegans(?) from hackberry or pecan, collected a day before in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 29, 2023
 Section corticioid fungus Scytinostroma portentosum(?) on a pecan log near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Corticioid fungus Scytinostroma portentosum(?) on a fallen branch of pecan in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Crust fungus Scytinostroma portentosum(?) on a fallen branch of pecan in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Spores of corticioid fungus Scytinostroma portentosum(?) from a pecan log near a former pond, collected a day before in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 4, 2023
 Partially dried corticioid fungus Scytinostroma portentosum(?) on a pecan log near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Texture of corticioid fungus Scytinostroma portentosum(?) on a fallen branch of pecan in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Spores from corticioid fungus Scytinostroma portentosum(?) from a pecan branch near the river, collected a day before in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 4, 2023
 Thin powdery corticioid fungus with irregular surface on black substrate on a pecan(?) log in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Texture of some corticioid fungus on a hardwood log (may be elm or hackberry) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Spores (in lugol) from corticioid fungus Scytinostroma portentosum(?) from a pecan branch near the river, collected a day before in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 4, 2023
 Some odontoid corticioid fungus with irregular surface on a hardwood log (may be elm or hackberry) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Witches butter fungus (Exidia glandulosa) on a fallen tree on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, February 5, 2023
 Mature fungus Brittle cinder (Kretzschmaria deusta) at the base of a dry hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 30, 2022
 Spores of odontoid corticioid fungus with irregular surface from a hardwood log (may be elm or hackberry), collected a day before in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 4, 2023
 Spores of odontoid corticioid fungus with irregular surface from a hardwood log (may be elm or hackberry), collected a day before in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 4, 2023
 Texture of witches butter fungus (Exidia glandulosa) on a fallen tree on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, February 5, 2023
 Dead tree of hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
 Rotten hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
 Drying hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
 Texture of dried hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
 Trunk of dried hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
 Warty texture of hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
 Warts on the bark of hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
 Witches butter mushroom (jelly fungus, Exidia nigricans) on a fallen tree near Lisiy Nos, west from Saint Petersburg. Russia, May 6, 2019
 Relatively soft Hypoxylon fungus on wood of broadleaf tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Sooty black mold fungus on leaves of a hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 Close-up of relatively soft Hypoxylon fungus on wood of broadleaf tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Section of relatively soft Hypoxylon fungus on wood of broadleaf tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Spores of orangish resupinate polypore mushroom from a hackberry log, collected a day before in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 4, 2023
 Small patch of orangish resupinate polypore mushroom on a hackberry log in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 White resupinate polypore mushroom on a fallen hackberry(?) branch in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Ascomycete fungus Propolis farinosa on a dry standing huisache (Acacia) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Close-up of brittle cinder fungus (Kretzschmaria deusta) at the base of a hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 6, 2021
 Texture of brittle cinder fungus (Kretzschmaria deusta) at the base of a hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 6, 2021
 Close-up of white resupinate polypore mushroom on a fallen branch of hackberry(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Texture of white resupinate polypore mushroom on a fallen branch of hackberry(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Close-up of small patch of orangish resupinate polypore mushroom on a hackberry log in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Old pecan tree near Brazos River in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 25, 2020
 White fringe lichen (Heterodermia albicans) (or may be H. japonica, H. casarettiana) on hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Pecan shoot in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 Details of growth of white resupinate polypore mushroom on a fallen hackberry(?) branch in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Spores of white resupinate polypore mushroom from a fallen hackberry(?) branch, collected a day before in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 4, 2023
 Brittle cinder fungus (Kretzschmaria deusta) at the base of a hackberry tree in a juniper forest in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 6, 2021
 Ascomycete fungus Propolis farinosa embedded in wood of a dry standing huisache (Acacia) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Young leaves on a pecan tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Green nuts on a pecan tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2020
 Black witches butter fungus (Exidia glandulosa) on a fallen elm(?) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, January 12, 2020
 Green nuts on a pecan tree near Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 31, 2021
 Cut and overturned piece of witches butter fungus (Exidia glandulosa) on a fallen elm(?) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, January 12, 2020
 Warty texture of witches butter fungus (Exidia glandulosa) on a fallen elm(?) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, January 12, 2020
 Emerging green fruits on a pecan tree near Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 31, 2021
 Old pecan trees near Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 20, 2024
 Leaves of hackberry tree with Asian woolly hackberry aphids Shivaphis celti (Homoptera: Aphididae) and sooty black mold (fungal growth) in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 5, 2019
 Shoot of hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 Trunk of hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 30, 2010
 Shoots and flowers of hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 Young leaves of hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 Scar of a trunk of hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 30, 2010
 Lecanora lichen on hackberry(?) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 24, 2020
 Shoot of poison ivy on a hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 A twig of hackberry tree with fruits in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Soft wet corticioid fungus on grape stem in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 15, 2024
 Young leaves of poison ivy on hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 2021
 Witches butter jelly fungus Exidia nigricans in Sosnovka Park. Saint Petersburg, Russia, March 15, 2017
 Witches butter mushroom (jelly fungus, Exidia nigricans) near Lisiy Nos, west from Saint Petersburg. Russia, May 6, 2019
 Young leaves and flower buds of hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 Texture of hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
 Mixed crustose lichens on bark of a hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 29, 2018
 Tiny green liverwort on bark of hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Some green liverwort and lichens on bark of hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Script lichen (Graphis) on bark of hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Peeling bark of dry hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
 Trunk of dead hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
 Dirinaria(?) lichen on hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Brown Tomentella fungus on a hardwood log in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Orange teeth corticioid fungus on an oak log in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Witches butter mushroom (jelly fungus, Exidia nigricans) in Sosnovka Park. Saint Petersburg, Russia, April 4, 2017
 Witches butter (jelly fungus, Exidia nigricans or may be E. brunneola) in Sosnovka Park. Saint Petersburg, Russia, April 22, 2017
 Fringe lichen (Heterodermia) on hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Peeling bark of dead hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
 Saucer lichen Ochrolechia pallescens on bark of a hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 29, 2018
 Common button lichen (Buellia stillingiana) on hackberry(?) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 24, 2020
 Medallion lichen (Dirinaria confusa) on bark of a hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 29, 2018
 Script lichen Graphis lineola(?) on bark of a hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 Script lichen Graphis lineola on bark of a hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 29, 2018
 Texture of script lichen (Graphis) on bark of hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Saucer lichen Ochrolechia pallescens on bark of hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Details of script lichen (Graphis) on bark of hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 White fringe lichen (Heterodermia albicans) on a hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Medallion lichen (Dirinaria confusa) on bark of hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
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