 Exposed old tree trunk at lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, July 31, 2022
 Trunk of a dead tree on a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, July 4, 2022
 Tree root on dry bottom of Somerville Lake in Birch Creek Unit of Somerville Lake State Park, July 14, 2013
 Various views of bracket polypore mushrooms Truncospora mexicana on a fallen trunk of a broadleaf tree near a pond at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 1, 2023
 Underside of bracket polypore mushrooms Truncospora mexicana on a fallen trunk of a broadleaf tree near a pond at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 1, 2023
 Upper surface of bracket polypore mushrooms Truncospora mexicana on a fallen trunk of a broadleaf tree near a pond at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 1, 2023
 Cross section of bracket polypore mushrooms Truncospora mexicana on a fallen trunk of a broadleaf tree near a pond at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 1, 2023
 Bracket polypore mushrooms Truncospora mexicana turning orange on a fallen trunk of a broadleaf tree near a pond at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 1, 2023
 Caps of bracket polypore mushrooms Truncospora mexicana turning orange on a fallen trunk of a broadleaf tree near a pond at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 1, 2023
 Weathered oak trunk at lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, July 31, 2022
 Brown velvety trunk of an oak tree with Hypoxylon canker fungus (Biscogniauxia) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 12, 2022
 Larger bracket of polypore mushroom Truncospora mexicana on a fallen trunk of a broadleaf tree near a pond at the entrance of a trailway at Birch Creek Unit of Somerville Lake State Park. Texas, December 29, 2023
 Underside of bracket polypore mushroom Truncospora mexicana on a fallen trunk of a broadleaf tree near a pond at the entrance of a trailway at Birch Creek Unit of Somerville Lake State Park. Texas, December 29, 2023
 Small bracket polypore mushroom Truncospora mexicana on a fallen trunk of a broadleaf tree near a pond at the entrance of a trailway at Birch Creek Unit of Somerville Lake State Park. Texas, December 29, 2023
 Resupinate polypore mushroom Ceriporia(?) on barkless trunk of a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 13, 2022
 Shells on dry bottom of Somerville Lake in Birch Creek Unit of Somerville Lake State Park, July 14, 2013
 Yellowing scratch on a bracket polypore mushroom Truncospora mexicana on a fallen trunk of a broadleaf tree near a pond at the entrance of a trailway at Birch Creek Unit of Somerville Lake State Park. Texas, December 29, 2023
 Pore surface of bracket polypore mushroom Truncospora mexicana on a fallen trunk of a broadleaf tree near a pond at the entrance of a trailway at Birch Creek Unit of Somerville Lake State Park. Texas, December 29, 2023
 Petrified wood on dry bottom of Somerville Lake in Birch Creek Unit of Somerville Lake State Park, July 14, 2013
 Rattlebush growing on dry bottom of Somerville Lake in Birch Creek Unit of Somerville Lake State Park, July 14, 2013
 Skeleton of alligator gar on dry bottom of Somerville Lake in Birch Creek Unit of Somerville Lake State Park, July 14, 2013
 Small caps of bracket polypore mushroom Truncospora mexicana on a fallen thin trunk of a broadleaf tree near a pond at the entrance of a trailway at Birch Creek Unit of Somerville Lake State Park. Texas, December 29, 2023
 Small bracket polypore mushroom Truncospora mexicana together with black Hypoxylon like fungus on a fallen trunk of a broadleaf tree near a pond at the entrance of a trailway at Birch Creek Unit of Somerville Lake State Park. Texas, December 29, 2023
 A trail in Birch Creek Unit of Somerville Lake State Park, July 14, 2013
 Oak bark in Birch Creek Unit of Somerville Lake State Park, July 14, 2013
 Trunk of a standing dead oak (snag) in Birch Creek Unit of Lake Somerville State Park, Texas, October 26, 2024
 Dry oak tree on a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, July 4, 2022
 Old dead oak tree on a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, July 4, 2022
 Detail of oak bark in Birch Creek Unit of Somerville Lake State Park, July 14, 2013
 Exposed roots of some tree on a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, July 4, 2022
 Old tree trunks at low water level at lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, July 31, 2022
 Antlion (doodlebug) funnel pits in Birch Creek Unit of Somerville Lake State Park, July 14, 2013
 Pores of Brunneoporus juniperinus (Antrodia juniperina, Subantrodia juniperina) mushrooms on a dry fallen trunk of Eastern Red Cedar (Juniperus virginiana) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
 Close up of pores of Brunneoporus juniperinus (Antrodia juniperina, Subantrodia juniperina) mushrooms on a dry fallen trunk of Eastern Red Cedar (Juniperus virginiana) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
 Resupinate form of Brunneoporus juniperinus (Antrodia juniperina, Subantrodia juniperina) mushrooms on a dry fallen trunk of Eastern Red Cedar (Juniperus virginiana) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
 Dry fallen trunk of Eastern Red Cedar (Juniperus virginiana) with resupinate form of Brunneoporus juniperinus (Antrodia juniperina, Subantrodia juniperina) mushrooms on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
 Dry bushes of yellow visteria (Baptisia bracteata) in Birch Creek Unit of Somerville Lake State Park, July 14, 2013
 Oak trunk damaged by brown Hypoxylon canker fungus (Biscogniauxia) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 15, 2023
 Oak trunk damaged by brown Hypoxylon canker fungus (Biscogniauxia) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 12, 2022
 Resupinate form of Brunneoporus juniperinus (Antrodia juniperina, Subantrodia juniperina) mushrooms covering underside of a dry fallen trunk of Eastern Red Cedar (Juniperus virginiana) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
 Resupinate form with large pores of Brunneoporus juniperinus (Antrodia juniperina, Subantrodia juniperina) mushrooms on a dry fallen trunk of Eastern Red Cedar (Juniperus virginiana) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
 A tree near the lake at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 2019
 Silhouette of a tree near the lake at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 2019
 Foliose lichens on a hackberry tree at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
 Rosette lichen (Physcia)(?) on a hackberry tree at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
 Dog vomit slime mold (Fuligo septica) on a tree on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, May 6, 2018
 Tree dwelling moss Leucodon julaceous on a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 5, 2020
 Powdery white corticioid fungus under a fallen tree at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 21, 2019
 Thick trunk of an oak(?) on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, November 21, 2020
 Polypore mushroom Ganoderma sessile at a base of a living tree at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 21, 2019
 Polypore mushroom Trametes villosa on a dried juniper tree at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 20, 2021
 Bony beard lichen (Usnea trichodea) with apothecia on an elm tree at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 20, 2021
 Resupinate polypore mushroom on a fallen juniper(?) tree in dry area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 13, 2022
 Common tree dwelling moss Leucodon julaceous on a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
 Trunk of a large live oak on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, November 21, 2020
 Pyxine(?) and white fringe lichen (Heterodermia albicans) on a hackberry tree at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
 Various fruticose lichens on a small tree or a bush in half-open area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
 Close-up of resupinate polypore mushroom on a fallen juniper(?) tree in dry area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 13, 2022
 Texture of resupinate polypore mushroom on a fallen juniper(?) tree in dry area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 13, 2022
 Strands of bony beard lichen (Usnea trichodea) on an elm tree in wet area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 20, 2021
 Pendent strands of bony beard lichen (Usnea trichodea) on an elm tree at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 20, 2021
 Lichen Dirinaria applanata or may be Physcia on smooth bark of hackberry tree at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
 Some white resupinate polypore mushroom at the base of a dried juniper tree at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 1, 2023
 Dayflower (Commelina) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 14, 2019
 Ruellia flower at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 30, 2021
 Grasshopper ona plant at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 30, 2021
 Dayflower (Commelina) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 30, 2021
 Antlion pit traps at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 31, 2022
 Dead oak skeleton at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 31, 2022
 Dry seeds of mallow(?) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Vervain (Verbena) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 14, 2019
 Drying vegetation at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 31, 2022
 Rosette lichen Dirinaria applanata or may be Physcia on smooth bark of hackberry tree at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
 Bony beard lichen (Usnea trichodea) on an elm tree in frequently flooded area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 20, 2021
 Close-up of white resupinate polypore mushroom at the base of a dried juniper tree at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 1, 2023
 Lichen Ramalina dasypoga on a small tree or a bush in half-open area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
 Ramalina dasypoga lichen on a small tree or a bush in half-open area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
 White resupinate polypore mushroom at the base of a dried red cedar (juniper tree) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 1, 2023
 Texture white resupinate polypore mushroom at the base of a dried juniper tree at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 1, 2023
 Slender vervain (verbena) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 30, 2021
 Various dry brown leaves on the ground at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 31, 2022
 Tickseed sunflower (Bidens) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 14, 2019
 Horseweed (Conyza canadensis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Turnsole (Heliotropium indicum) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 14, 2019
 Drying leaves of elm on the ground at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 31, 2022
 Dry curled leaves of beautyberry at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 31, 2022
 Scorched bush of beautyberry at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 31, 2022
 Buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Path with dried grass at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 31, 2022
 Dried leaves of box elder(?) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 31, 2022
 Dodder (Cuscuta) on eryngo at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Shoot of sumpweed (Iva annua) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 30, 2021
 Dry tree on the lake shore near a road along north shore of Lake Somerville near Birch Creek Unit Somerville Lake State Park. Texas, March 14, 2018
 Halberdleaf rosemallow (Hibiscus laevis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 30, 2021
 Crab spider on dayflower (Commelina) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 30, 2021
 Katydid nymph on Lantana flowers at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 30, 2021
 Shoot of cocklebur (Xanthium strumarium) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Leaves of partridge pea (Cassia fasciculata) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
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