 Cracked mud on the bottom of Somerville Lake in Birch Creek Park. Texas, September 17, 2011
 Dry bottom of Somerville Lake with sedges in Birch Creek Park. Texas, September 17, 2011
 Caked mud on the bottom of Somerville Lake in Birch Creek Park. Texas, September 17, 2011
 Cracks in mud on the bottom of Somerville Lake in Birch Creek Park. Texas, September 17, 2011
 Emerging rattlebush on the bottom of Somerville Lake in Birch Creek Park. Texas, September 17, 2011
 Dry bottom of Somerville Lake near Birch Creek Park. Texas, August 21, 2011
 Rotting log on dry bottom of Somerville Lake near Birch Creek Park. Texas, August 21, 2011
 Caked mud on dry bottom of Somerville Lake near Birch Creek Park. Texas, August 21, 2011
 Sedges on dry bottom of Somerville Lake near Birch Creek Park. Texas, August 21, 2011
 Rattlebush colonizing dry bottom of Somerville Lake near Birch Creek Park. Texas, August 21, 2011
 Animal tracks on dry bottom of Somerville Lake near Birch Creek Park. Texas, August 21, 2011
 Old tree stump on dry bottom of Somerville Lake near Birch Creek Park. Texas, August 21, 2011
 Animal tracks on caked mud of dry bottom of Somerville Lake near Birch Creek Park. Texas, August 21, 2011
 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
 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
 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
 Cracked soil on 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
 Old oak stump on bottom of dried Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, December 29, 2023
 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
 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
 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
 Tree root on dry bottom of Somerville Lake in Birch Creek Unit of Somerville Lake State Park, July 14, 2013
 Green algae 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
 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
 Dry Somerville Lake in Birch Creek Park. Texas, September 17, 2011
 Caked mud on bottom of the lake near Birch Creek Unit of Somerville Lake State Park. Texas, October 12, 2022
 Oak forest in Birch Creek Park near Somerville Lake. Texas, September 17, 2011
 Dry vegetation in Birch Creek Park near Somerville Lake. Texas, September 17, 2011
 Caked mud of Somerville Lake in Birch Creek Park. Texas, September 17, 2011
 Road in Birch Creek Park near Somerville Lake. Texas, September 17, 2011
 A trail in Birch Creek Park near Somerville Lake. Texas, September 17, 2011
 Dry trees in Birch Creek Park near Somerville Lake. Texas, September 17, 2011
 Dry sedge in Somerville Lake in Birch Creek Park. Texas, September 17, 2011
 Oak forest in Birch Creek Park near Somerville Lake. Texas, September 17, 2011
 Dry grass in Somerville Lake in Birch Creek Park. Texas, September 17, 2011
 Sunrise over Somerville Lake in Birch Creek Park. Texas, September 17, 2011
 Dried mud and grass 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
 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
 Caked mud with 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
 Fresh grass on caked mud 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
 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 with some grass 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 with green grass on bottom of the lake near Birch Creek Unit of Somerville Lake State Park. Texas, October 12, 2022
 A sheel in dried mud of Somerville Lake in Birch Creek Park. Texas, September 17, 2011
 Plastic boat Somerville Lake in Birch Creek Park. Texas, September 17, 2011
 Caked mud in Somerville Lake in Birch Creek Park at sunrise. Texas, September 17, 2011
 Dead trees in Birch Creek Park near Somerville Lake. Texas, September 17, 2011
 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
 Flat caked mud and mussel shells on bottom of the lake near Birch Creek Unit of Somerville Lake State Park. Texas, October 12, 2022
 Leaf cutter ant highway in Birch Creek Park near Somerville Lake. Texas, September 17, 2011
 A trail through brown vegetation in Birch Creek Park near Somerville Lake. Texas, September 17, 2011
 Dead tree trunks in Birch Creek Park near Somerville Lake. Texas, September 17, 2011
 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
 Cracked soil covered by green grass on bottom of the lake near Birch Creek Unit of Somerville Lake State Park. Texas, October 12, 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
 Brown glass bottle with 1845 Owens Illinois mark on the bottom (brown apothecary medicine bottle, round narrow mouth prescriptions 2 oz, Alton Illinois plant 9, 1939) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 20, 2021
 Hairy leaves of some plant on Lake Somerville Trailway in area of Newman Bottom near Nails Creek Unit of Somerville Lake State Park. Texas, February 2, 2021
 Seedling of bluebonnet (Lupinus) on Lake Somerville Trailway in area of Newman Bottom near Nails Creek Unit of Somerville Lake State Park. Texas, February 2, 2021
 Winter rosette of some thistle on Lake Somerville Trailway in area of Newman Bottom near Nails Creek Unit of Somerville Lake State Park. Texas, February 2, 2021
 Rosette of leaves of some plant on Lake Somerville Trailway in area of Newman Bottom near Nails Creek Unit of Somerville Lake State Park. Texas, February 2, 2021
 Wintering plant of bluebonnet (Lupinus) on Lake Somerville Trailway in area of Newman Bottom near Nails Creek Unit of Somerville Lake State Park. Texas, February 2, 2021
 Some hairy winter rosette of leaves on Lake Somerville Trailway in area of Newman Bottom near Nails Creek Unit of Somerville Lake State Park. Texas, February 2, 2021
 Young plant of bluebonnet (Lupinus) on Lake Somerville Trailway in area of Newman Bottom near Nails Creek Unit of Somerville Lake State Park. Texas, February 2, 2021
 Basal leaves of cudweef (Gnaphalium) on Lake Somerville Trailway in area of Newman Bottom near Nails Creek Unit of Somerville Lake State Park. Texas, February 2, 2021
 Prickly winter rosette of some thistle on Lake Somerville Trailway in area of Newman Bottom near Nails Creek Unit of Somerville Lake State Park. Texas, February 2, 2021
 Emerging plant of bluebonnet (Lupinus) on Lake Somerville Trailway in area of Newman Bottom near Nails Creek Unit of Somerville Lake State Park. Texas, February 2, 2021
 Climbing hempvine (Mikania scandens) on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2012
 Dodder (Cuscuta) on rough cocklebur at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
 Small Agaricus mushrooms under oaks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
 Seedling of bluebonnet (Lupinus) near a sandy road on Lake Somerville Trailway in area of Newman Bottom near Nails Creek Unit of Somerville Lake State Park. Texas, February 2, 2021
 Winter rosette of a plant of mustard family on Lake Somerville Trailway in area of Newman Bottom near Nails Creek Unit of Somerville Lake State Park. Texas, February 2, 2021
 Silvery basal leaves of cudweef (Gnaphalium) on Lake Somerville Trailway in area of Newman Bottom near Nails Creek Unit of Somerville Lake State Park. Texas, February 2, 2021
 Young hairy leaves of bluebonnet (Lupinus) on Lake Somerville Trailway in area of Newman Bottom near Nails Creek Unit of Somerville Lake State Park. Texas, February 2, 2021
 Basal rosette of leaves of cudweef (Gnaphalium) on Lake Somerville Trailway in area of Newman Bottom near Nails Creek Unit of Somerville Lake State Park. Texas, February 2, 2021
 White bracket polypore mushrooms on rotting oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
 Strands of dodder (Cuscuta) on rough cocklebur at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
 Grasshopper on rough cocklebur (Xanthium strumarium) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
 Underside of bracket polypore mushrooms on rotting oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
 Side view of Agaricus mushrooms under oaks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
 Staminate flowers of cocklebur (Xanthium strumarium) on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2012
 Globular flower of buttonbush (Cephalanthus occidentalis) on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2012
 Green flowers of cocklebur (Xanthium strumarium) on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2012
 Cross section of Agaricus mushrooms under oaks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
 Frothy porecrust fungus (Oxyporus latemarginatus) on a fallen tree near Yegua Creek on Lake Somerville Trailway in area of Newman Bottom near Nails Creek Unit of Somerville Lake State Park. Texas, February 2, 2021
 Narrow green leaves of a plant of mustard family on Lake Somerville Trailway in area of Newman Bottom near Nails Creek Unit of Somerville Lake State Park. Texas, February 2, 2021
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