 Young plants of salt-marsh fleabane (Pluchea odorata) on a sandy shore near Birch Creek Unit of Somerville Lake State Park. Texas, April 19, 2026
 Some shoots on a sandy shore near Birch Creek Unit of Somerville Lake State Park. Texas, April 19, 2026
 Sandbar on a sandy shore near Birch Creek Unit of Somerville Lake State Park. Texas, April 19, 2026
 White pelicans on a sandy shore near Birch Creek Unit of Somerville Lake State Park. Texas, April 19, 2026
 Red shank (Persicaria maculosa) on a sandy shore near Birch Creek Unit of Somerville Lake State Park. Texas, April 19, 2026
 Water-primrose (Ludwigia) on a sandy shore near Birch Creek Unit of Somerville Lake State Park. Texas, April 19, 2026
 Alligator weed (Alternanthera philoxeroides) on a sandy shore near Birch Creek Unit of Somerville Lake State Park. Texas, April 19, 2026
 Sandbar and shallow pools of water on a sandy shore near Birch Creek Unit of Somerville Lake State Park. Texas, April 19, 2026
 Branching rush (Juncus prismatocarpus) on a sandy shore near Birch Creek Unit of Somerville Lake State Park. Texas, April 19, 2026
 Leaf of watershield (Brasenia schreberi)? on a sandy shore near Birch Creek Unit of Somerville Lake State Park. Texas, April 19, 2026
 Underside of a leaf of watershield (Brasenia schreberi)? on a sandy shore near Birch Creek Unit of Somerville Lake State Park. Texas, April 19, 2026
 Rabbit-foot grass (Polypogon monspeliensis) on a sandy shore near Birch Creek Unit of Somerville Lake State Park. Texas, April 19, 2026
 Creeping love grass (Eragrostis reptans) on a sandy shore near Birch Creek Unit of Somerville Lake State Park. Texas, April 19, 2026
 Needle spike-rush (Eleocharis acicularis) on a sandy shore near Birch Creek Unit of Somerville Lake State Park. Texas, April 19, 2026
 Blooming seaside brookweed (Samolus valerandi) on a sandy shore near Birch Creek Unit of Somerville Lake State Park. Texas, April 19, 2026
 Shoots of alligator weed (Alternanthera philoxeroides) on a sandy shore near Birch Creek Unit of Somerville Lake State Park. Texas, April 19, 2026
 Mat of needle spike-rush (Eleocharis acicularis) on a sandy shore near Birch Creek Unit of Somerville Lake State Park. Texas, April 19, 2026
 Flowers of creeping love grass (Eragrostis reptans) on a sandy shore near Birch Creek Unit of Somerville Lake State Park. Texas, April 19, 2026
 Male flowers of creeping love grass (Eragrostis reptans) on a sandy shore near Birch Creek Unit of Somerville Lake State Park. Texas, April 19, 2026
 Base of barnyard grass (cockspur, Echinochloa crus-galli) on a sandy shore near Birch Creek Unit of Somerville Lake State Park. Texas, April 19, 2026
 Zonation of exposed, sandy shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, February 28, 2026
 Spiny Chloracantha (Chloracantha spinosa) on a sandy shore near Birch Creek Unit of Somerville Lake State Park. Texas, April 19, 2026
 Weathered stump of an oak on exposed sandy shore near Birch Creek Unit of Somerville Lake State Park. Texas, February 28, 2026
 Animal skull on exposed sandy shore near Birch Creek Unit of Somerville Lake State Park. Texas, February 28, 2026
 Rosette of leaves of some plant on exposed sandy shore near Birch Creek Unit of Somerville Lake State Park. Texas, February 28, 2026
 Seaside brookweed (Samolus valerandi) on a sandy shore near Birch Creek Unit of Somerville Lake State Park. Texas, February 28, 2026
 Blooming barnyard grass (cockspur, Echinochloa crus-galli) and needle spike-rush (Eleocharis acicularis) on a sandy shore near Birch Creek Unit of Somerville Lake State Park. Texas, April 19, 2026
 Spiny Chloracantha (Chloracantha spinosa) on a sandy shore near Birch Creek Unit of Somerville Lake State Park. Texas, May 16, 2026
 Salt-marsh fleabane(?) and terrestrial water-starwort on exposed sandy shore near Birch Creek Unit of Somerville Lake State Park. Texas, February 28, 2026
 Basal rosette of seaside brookweed (Samolus valerandi) on exposed sandy shore near Birch Creek Unit of Somerville Lake State Park. Texas, February 28, 2026
 Green mat of terrestrial water-starwort (Callitriche terrestris) on exposed sandy shore near Birch Creek Unit of Somerville Lake State Park. Texas, February 28, 2026
 Creeping plant of frog-fruit (Phyla incisa, Lippia, fogfruit) on exposed sandy shore near Birch Creek Unit of Somerville Lake State Park. Texas, February 28, 2026
 Close-up of Chloracantha spinosa on a shore the lake near Birch Creek Unit of Somerville Lake State Park. Texas, April 19, 2026
 Bright lime-green cushions of Texas balloonwort (Sphaerocarpos texanus) on exposed sandy shore near Birch Creek Unit of Somerville Lake State Park. Texas, February 28, 2026
 Low water level exposing sandy beach on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, November 23, 2023
 Young toad on a sandy path on Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, June 28, 2026
 Bluebonnet (lupinus) on a sandy shore near Birch Creek Unit of Somerville Lake State Park. Texas, March 26, 2023
 Sandy shore of the lake with some small underground critters near Birch Creek Unit of Somerville Lake State Park. Texas, July 21, 2022
 Blooming bluebonnet (lupinus) on a sandy shore near Birch Creek Unit of Somerville Lake State Park. Texas, March 26, 2023
 Floating foam on a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, January 2, 2026
 Some leaves on sand of a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, February 28, 2026
 Weathered oak stump on a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, January 2, 2026
 Floating air bubbles on a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, January 2, 2026
 Vetch(?) on sand of a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, February 28, 2026
 Some plant on exposed shore near Birch Creek Unit of Somerville Lake State Park. Texas, February 28, 2026
 Red shank (Persicaria maculosa) on the lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, March 21, 2026
 Pattern of floating foam on a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, January 2, 2026
 Shells of a freshwater mussel on a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, January 2, 2026
 Texture of floating foam on a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, January 2, 2026
 Leaves of dock(?) on sand of a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, February 28, 2026
 Ribs of floating foam on a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, January 2, 2026
 Shell of a freshwater mussel on a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, January 2, 2026
 Mud tracks of white pelicans on the lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, March 21, 2026
 Carpet of Texas balloonwort (Sphaerocarpos texanus) on a lake shore at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 6, 2026
 Liverwort Texas balloonwort (Sphaerocarpos texanus) on a lake shore at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 6, 2026
 Mud flats and various water birds on a shore near Birch Creek Unit of Somerville Lake State Park. Texas, February 28, 2026
 Rough surface of floating foam on a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, January 2, 2026
 Wavy structure of floating foam on a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, January 2, 2026
 Young bush of an invasive saltcedar (Tamarix sp.) on a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, May 16, 2026
 Wavy pattern of floating foam on a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, January 2, 2026
 Rabbit-foot grass (Polypogon monspeliensis) on the lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, March 21, 2026
 Annual trampweed (Facelis retusa) on sand of a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, February 28, 2026
 Skeleton of a freshwater drum (Aplodinotus grunniens) or a catfish on the lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, March 21, 2026
 Seedlings of brookweed (water cabbage, Samolus valerandi) on the lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, March 21, 2026
 Bloomin plant of cursed buttercup (Ranunculus sceleratus) on a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, February 28, 2026
 Leaves of Carolina bristlemallow (Modiola caroliniana) on sand of a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, February 28, 2026
 Seedling of salt-marsh fleabane(?) on exposed shore near Birch Creek Unit of Somerville Lake State Park. Texas, February 28, 2026
 Dry oak trees on a lake shore at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 20, 2022
 Rosette of leaves of brookweed (water cabbage, Samolus valerandi) on the lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, March 21, 2026
 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
 Shoot of cedar elm on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
 Ripening blackberry on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 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
 The lake shore near a road along north shore of Lake Somerville near Birch Creek Unit Somerville Lake State Park. Texas, March 14, 2018
 Young plant of sow thistle (Sonchus oleraceus) on exposed shore near Birch Creek Unit of Somerville Lake State Park. Texas, February 28, 2026
 A sprawling, multi-stemmed mat of annual trampweed (Facelis retusa) on sand of a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, February 28, 2026
 Mat of a semi-aquatic plant terrestrial water-starwort (Callitriche terrestris) on the lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, March 21, 2026
 Carolina larkspur (Delphinium carolinianum) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
 Meadow pink (Sabatia campestris) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
 Blue skullcap flowers (Scutellaria) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
 Showy blue star (Amsonia illustris) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
 Mouse barley grass (Hordeum pusillum) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
 Shade Betony (Stachys crenata) on a wet meadow on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
 Caloplaca (orange) lichen on a roadside stone on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
 Drummond wild onion (Allium drummondii) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
 Southern canary grass (Phalaris caroliniana) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
 Inflorescense of Drummond wild onion (Allium drummondii) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
 Flowers of Showy blue star (Amsonia illustris) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
 Malformed yellow flower of aster family because of parasites on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
 Dissected malformed yellow flower of aster family on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
 Pink flowers of Drummond wild onion (Allium drummondii) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
 Bermudagrass, easily identifiable by its wiry, horizontal runners (stolons) that root directly into the sand at their joints, on a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, February 28, 2026
 Winter basal rosette of Carolina geranium (Geranium carolinianum) on a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, February 28, 2026
 Underside of inkcap mushroom Coprinopsis insignis on Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 19, 2026
 Leaves of salt-marsh fleabane (Pluchea odorata, Pluchea purpurescens)(?) on sand of a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, February 28, 2026
 Inkcap mushroom Coprinopsis insignis at the base of a living elm on Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 19, 2026
 Fluffy seed head of Texas dandelion (Pyrrhopappus) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
 Sandy shore of Yegua Creek from Alligator Loop Trail on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, November 21, 2020
 Woolly-white (Hymenopappus) with petaloid white phyllaries (bracts) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
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