 Small species of Water-primrose (Ludwigia) at a cattle drinking pond near a road along north shore of Lake Somerville near Birch Creek Unit Somerville Lake State Park. Texas, August 29, 2009
 Shoots of water-primrose (Ludwigia octovalvis)(?) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2021
 Rosette of leaves of floating primrose willow (Ludwigia peploides) at water s surface at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 2019
 Water-primrose (Ludwigia) on a sandy shore near Birch Creek Unit of Somerville Lake State Park. Texas, April 19, 2026
 Green leaves of water-primrose (Ludwigia) on a shore of Flag Pond at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, April 4, 2021
 Carpet of leaves of water-primrose (Ludwigia) on a shore of Flag Pond at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, April 4, 2021
 Green shoots of water-primrose (Ludwigia) on a shore of Flag Pond at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, April 4, 2021
 Some semi-aquatic plant, may be water primrose (Ludwigia), together with Texas balloonwort (Sphaerocarpos texanus) on a muddy shore of Flag Pond on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, March 10, 2021
 Shoot of water-primrose (Ludwigia) on shores of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, October 4, 2022
 Glossy leaves of water-primrose (Ludwigia) on shores of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, October 4, 2022
 Dead oak tree on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, March 1, 2025
 Rosette of leaves of bittercress(?) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, March 1, 2025
 Rosette of hairy leaves on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, March 1, 2025
 Seedling of bluebonnet (Lupinus) in sand on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, March 1, 2025
 Terrestrial water-starwort (Callitriche terrestris) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, March 1, 2025
 Terrestrial water-starwort (Callitriche terrestris) in sand on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, March 1, 2025
 Cushion of terrestrial water-starwort (Callitriche terrestris) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, March 1, 2025
 An oak stump which is a relic from the "ghost forests" of the original Post Oak Savannah that was flooded when Somerville Lake was created in the 1960s. along north shore of Lake Somerville near Birch Creek Unit Somerville Lake State Park. Texas, November 23, 2025
 Glossy leaves of water-primrose (Ludwigia) on shores of Flag Pond at Lake Somerville Trailway, near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023
 Young leaves of water-primrose (Ludwigia) on shores of Flag Pond at Lake Somerville Trailway, near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023
 Tracks of a North American Raccoon (Procyon lotor) on a lake shore at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. It is very common to find these "little handprints" along the mudflats of Lake Somerville, especially when water levels are low and animals come to the edge to scavenge. Texas, December 22, 2025
 Weathered oak stump on a lake shore at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 22, 2025
 Weathered oak wood on a lake shore at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 22, 2025
 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
 Dead forest after a flooding on a shore of the lake near a road along north shore of Lake Somerville near Birch Creek Unit Somerville Lake State Park. Texas, March 14, 2018
 Texas balloonwort (Sphaerocarpos texanus) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, March 1, 2025
 The lake shore near a road along north shore of Lake Somerville near Birch Creek Unit Somerville Lake State Park. Texas, March 14, 2018
 Texas balloonwort (Sphaerocarpos texanus) in sand on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, March 1, 2025
 Close-up of Texas balloonwort (Sphaerocarpos texanus) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, March 1, 2025
 "Nature sculpture" from weathered oak wood on a lake shore at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 22, 2025
 Wood of a dry oak along north shore of Lake Somerville near Birch Creek Unit Somerville Lake State Park. Texas, November 23, 2025
 Tracks of a North American Raccoon (Procyon lotor) on a lake shore at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 22, 2025
 Oak tree skeleton along north shore of Lake Somerville near Birch Creek Unit Somerville Lake State Park. Texas, November 23, 2025
 Shell of a Giant Floater (Pyganodon grandis) freshwater mussel on a lake shore at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 22, 2025
 Texture of wood of a dry oak at sunrise along north shore of Lake Somerville near Birch Creek Unit Somerville Lake State Park. Texas, November 23, 2025
 "Driftwood sculpture" of eroded oak stump with its weathered texture and skeletal appearance on a lake shore at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 14, 2025
 Shoot of water-primrose (Ludwigia) and red water fern (Azolla filiculoides) on shores of Flag Pond at Lake Somerville Trailway, near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023
 Shoot of water-primrose (Ludwigia) and red water fern (Azolla filiculoides) on shores of Flag Pond at Lake Somerville Trailway, near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023
 Gnarled oak stump with rugged, roughened, and knotty texture of the wood, twisted by time and water, on a lake shore at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 14, 2025
 Water primrose with narrow leaves (Ludwigia) in Flag Pond on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, September 12, 2021
 Shore of the lake at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 2019
 Heineken beer bottle, specifically a variant of their "Star Bottle" design, on a lake shore at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 14, 2025
 Cut-leaved evening primrose (Oenothera laciniata) in dew at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2021
 Some polypore (bracket) mushrooms on an oak log near a road along north shore of Lake Somerville near Birch Creek Unit Somerville Lake State Park. Texas, March 15, 2018
 Milkcap mushrooms (Lactarius) near a road along north shore of Lake Somerville near Birch Creek Unit Somerville Lake State Park. Texas, March 14, 2018
 Drowned, algae-encrusted pair of over-ear (circumaural) style headphones, with a thick headband and large cups that looks like David Clark H10-13.4 Aviation Headset on a lake shore at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. By December 2025, drought had expanded across the region, with Lake Somerville s water levels dropping significantly (reported around 78-83% capacity or lower in related drought monitors), exposing mudflats and lakebed artifacts that are normally submerged. Texas, December 14, 2025
 Young leaves of oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 15, 2025
 Young leaves of elm at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 15, 2025
 Shoot of hackberry at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 15, 2025
 Sunrise on a shore of the lake near Birch Creek Unit of Somerville Lake State Park. Texas, November 1, 2025
 Brown corticioid mushrooms of Ceriporia purpurea group on a rotten oak near a road along north shore of Lake Somerville near Birch Creek Unit Somerville Lake State Park. Texas, March 14, 2018
 Texture of corticioid mushrooms of Ceriporia purpurea group on a rotten oak near a road along north shore of Lake Somerville near Birch Creek Unit Somerville Lake State Park. Texas, March 14, 2018
 Weathered oak stump on a shore of the lake near Birch Creek Unit of Somerville Lake State Park. Texas, November 1, 2025
 Shallow water on a shore of the lake near Birch Creek Unit of Somerville Lake State Park. Texas, November 1, 2025
 Cartilage lichen (Ramalina stenospora) on a twig at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 15, 2025
 Corticioid mushrooms of Ceriporia purpurea group with large pores on a rotten oak near a road along north shore of Lake Somerville near Birch Creek Unit Somerville Lake State Park. Texas, March 14, 2018
 Lake shore at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 6, 2019
 Dry oak trees on a lake shore at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 20, 2022
 Bushy beard lichen (Usnea strigosa) on a twig at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 15, 2025
 Spiderwort (Tradescantia) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 15, 2025
 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
 Brown corticioid mushrooms with large pores of Ceriporia purpurea group on a dry rotten oak near a road along north shore of Lake Somerville near Birch Creek Unit Somerville Lake State Park. Texas, March 14, 2018
 Purple corticioid mushrooms of Ceriporia purpurea group with large pores on a rotten oak near a road along north shore of Lake Somerville near Birch Creek Unit Somerville Lake State Park. Texas, March 14, 2018
 Blue flowers of Tradescantia both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 15, 2025
 Shell of a Giant Floater (Pyganodon grandis) freshwater mussel on a lake shore at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. The oxidation of iron deposits on the shell s nacre (the inner pearly layer) turns them into this characteristic rusty-orange or copper color. Texas, December 14, 2025
 Leaf and flowers of spiderwort (Tradescantia) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 15, 2025
 Elm(?) trees on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, December 29, 2023
 A road on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, May 6, 2018
 Trees on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, December 29, 2023
 Yellow star-grass (Hypoxis hirsuta) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 15, 2025
 Skullcap (Scutellaria) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, May 6, 2018
 Little green frog on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 Dodder (Cuscuta) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 Grasses and trees on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, December 29, 2023
 Larvae of red-banded fungus beetle (Megalodacne) on a porous tree fungus near a road along north shore of Lake Somerville near Birch Creek Unit Somerville Lake State Park. Texas, March 14, 2018
 Old oak stump at low water level on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, November 23, 2023
 Some small sedge in sand on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, November 23, 2023
 Rescuegrass (Bromus cartharticus) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, May 6, 2018
 Small sedge in sand on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, November 23, 2023
 Zonation of exposed, sandy shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, February 28, 2026
 Ripening blackberry on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
 Weathered oak wood in sand on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, November 23, 2023
 Blooming rush (Juncus) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, May 6, 2018
 Shoot of cedar elm on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
 Close-up of a little green frog on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 Beaksedge, probably Rhynchospora corniculata, on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 Standing dead oak (snag) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, December 29, 2023
 Knotweed (Persicaria) joint on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 Eastern swamp privet (Forestiera acuminata var. vestita) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 9, 2025
 Carolina larkspur (Delphinium carolinianum) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, May 6, 2018
 Meadow pink (Sabatia campestris) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, May 6, 2018
 Fragrant flatsedge (Cyperus odoratus)(?) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 Amanita sect. Amidella mushroom on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, May 6, 2018
 Beebalm (Monarda punctata) near a road along north shore of Lake Somerville near Birch Creek Unit Somerville Lake State Park. Texas, May 27, 2018
 Front view of a little green frog on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 Common creeping grass on sand on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, November 23, 2023
 Balloon vine (Cardiospermum halicacabum) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 Turnsole (Heliotropium procumbens) in sand on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, November 23, 2023
 Whorled milkweed (Asclepias verticillata) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, May 6, 2018
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