 Shells on dry bottom of Somerville Lake in Birch Creek Unit of Somerville Lake State Park, July 14, 2013
 Petrified wood 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
 Tree root on dry bottom of Somerville Lake in Birch Creek Unit of Somerville Lake State Park, July 14, 2013
 Dry seed pods of rattlebush (Sesbania drummondii) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 3, 2022
 Fresh green grass growing over caked mud on bottom of the lake near Birch Creek Unit of Somerville Lake State Park. Texas, October 12, 2022
 Some small sedge on a dry lake bottom on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 Seedlings of rattlebush (Sesbania drummondii) in area of recently receded water on a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, July 4, 2022
 Caked mud on bottom of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, October 4, 2022
 Dried bottom of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, October 4, 2022
 Caked mud on bottom of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, October 4, 2022
 Dried bottom of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, October 4, 2022
 Cracks in mud on bottom of dried Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, December 29, 2023
 Cracked soil on bottom of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, October 4, 2022
 Dried cracked mud on bottom of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, October 4, 2022
 Dried bottom with cracked mud of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, October 4, 2022
 Old oak stump on bottom of dried Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, December 29, 2023
 Weathered oak wood on bottom of dried Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, December 29, 2023
 Green algae on bottom of dried Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, December 29, 2023
 Dried bottom with green grass of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, October 4, 2022
 Dried bottom with emerging green grass of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, October 4, 2022
 Green carpet of seedlings of rattlebush (Sesbania drummondii) in area of recently receded water on a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, July 4, 2022
 Rattlebush colonizing dry bottom of Somerville Lake near Birch Creek Park. Texas, August 21, 2011
 Emerging rattlebush on the bottom of Somerville Lake in Birch Creek Park. Texas, September 17, 2011
 Button lichen (Buellia) growing on a rock in a forest in area of sandstone outcrops at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
 Brown corticioid (crust) fungus Dichostereum effuscatum growing on bark and wood of a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 1, 2023
 Resupinate polypore mushroom Phellinus on a fallen oak branch under naturally growing live oaks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 18, 2021
 Spikelet of Vasey-grass (Paspalum urvillei) 1.5 meter tall growing on a sandy path at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, June 14, 2020
 Split porecrust fungus (Schizopora paradoxa) on a fallen oak branch under naturally growing live oaks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 18, 2021
 Caked mud on bottom of the lake near Birch Creek Unit of Somerville Lake State Park. Texas, October 12, 2022
 Mud with green grass on bottom of the lake near Birch Creek Unit of Somerville Lake State Park. Texas, October 12, 2022
 Cracks and grass on bottom of the lake near Birch Creek Unit of Somerville Lake State Park. Texas, October 12, 2022
 Dried mud and grass on bottom of the lake near Birch Creek Unit of Somerville Lake State Park. Texas, October 12, 2022
 Flat caked mud on bottom of the lake near Birch Creek Unit of Somerville Lake State Park. Texas, October 12, 2022
 Caked mud on dried bottom of the lake near Birch Creek Unit of Somerville Lake State Park. Texas, October 12, 2022
 Caked mud with grass on bottom of the lake near Birch Creek Unit of Somerville Lake State Park. Texas, October 12, 2022
 Mature Devil s Cigar Ascomycete mushroom (Chorioactis geaster) growing of a small piece of submerged in soil blackened elm wood at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 1, 2023
 Caked mud with green grass on bottom of the lake near Birch Creek Unit of Somerville Lake State Park. Texas, October 12, 2022
 Fresh grass on caked mud on bottom of the lake near Birch Creek Unit of Somerville Lake State Park. Texas, October 12, 2022
 Green grass on dried bottom of the lake near Birch Creek Unit of Somerville Lake State Park. Texas, October 12, 2022
 Caked mud overgrown by grass on bottom of the lake near Birch Creek Unit of Somerville Lake State Park. Texas, October 12, 2022
 Cracked soil and grass on bottom of the lake near Birch Creek Unit of Somerville Lake State Park. Texas, October 12, 2022
 Cracked soil with some grass on bottom of the lake near Birch Creek Unit of Somerville Lake State Park. Texas, October 12, 2022
 Small (around 6 cm in diameter) polypore mushrooms Truncospora mexicana or may be Perenniporia ochroleuca on a fallen oak branch under naturally growing live oaks, together with Phellinus at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 18, 2021
 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
 Vervain (Verbena) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 14, 2019
 Dayflower (Commelina) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 14, 2019
 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
 Antlion pit traps at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 31, 2022
 Dayflower (Commelina) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 30, 2021
 Drying vegetation at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 31, 2022
 Flat caked mud and mussel shells on bottom of the lake near Birch Creek Unit of Somerville Lake State Park. Texas, October 12, 2022
 Cracks in soil overgrown by grass on bottom of the lake near Birch Creek Unit of Somerville Lake State Park. Texas, October 12, 2022
 Caked mud covered by green grass on bottom of the lake near Birch Creek Unit of Somerville Lake State Park. Texas, October 12, 2022
 Dodder (Cuscuta) on eryngo at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Various dry brown leaves on the ground at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 31, 2022
 Slender vervain (verbena) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 30, 2021
 Buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 30, 2021
 Drying leaves of elm 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
 Buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Dried leaves of box elder(?) 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
 Path with dried grass at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 31, 2022
 Shoot of sumpweed (Iva annua) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Dry curled leaves of beautyberry at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 31, 2022
 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
 Dry brown leaves of live oak and elm on the ground at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 31, 2022
 Blooming slender vervain (verbena) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 30, 2021
 Violet ruella (Ruellia caroliniensis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 14, 2019
 Dried leaves of post oak on the ground at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 31, 2022
 Morning glory (Ipomoea cordatotriloba) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 30, 2021
 Dry curled leaves of hackberry on the ground at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 31, 2022
 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
 Dry mustang grape leaves on the ground at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 31, 2022
 Dried leaves of post oak on the ground at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 31, 2022
 Hooker s eryngo (Eryngium hookeri) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 14, 2019
 Path across frequently flooded area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 31, 2022
 Dried leaves of live oak and elm on the ground at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 31, 2022
 Halberdleaf rosemallow (Hibiscus laevis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Fragrant flatsedge (Cyperus odoratus)(?) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 30, 2021
 Dried leaves of hackberry on the ground at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 31, 2022
 American Germander (Teucrium canadense) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 30, 2021
 Coreopsis flower with a katydid nymph at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 14, 2019
 Katydid nymph on Lantana flowers at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 30, 2021
 Underside of mushroom Gymnopus luxurians at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 17, 2021
 Shoot of buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Dried leaves of cypress elm on the ground at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 31, 2022
 Leaves of partridge pea (Cassia fasciculata) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Dodder (Cuscuta) on sumpweed (Iva annua) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Shoot of cocklebur (Xanthium strumarium) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Rhodocybe(?) mushrooms under live oaks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 17, 2021
 Cracked soil covered by green grass on bottom of the lake near Birch Creek Unit of Somerville Lake State Park. Texas, October 12, 2022
 Deep cracks in soil overgrown by grass on bottom of the lake near Birch Creek Unit of Somerville Lake State Park. Texas, October 12, 2022
 Small (around 6 cm in diameter) polypore mushrooms Truncospora mexicana or may be Perenniporia ochroleuca on a fallen oak branch under naturally growing live oaks, on a windy slope without grass at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 18, 2021
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