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3677-22. 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, 2025Similar picturesLarge thumbnails | Use small thumbnails | View as slideshow |
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3677-22. 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, 2025Similar picturesLarge thumbnails | Use small thumbnails | View as slideshow |
 Terrestrial water-starwort (Callitriche terrestris) 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  Tiny leaves of terrestrial water-starwort (Callitriche terrestris) on a shore near Birch Creek Unit of Somerville Lake State Park. Texas, March 26, 2023  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  Prostrate plant with tiny leaves of terrestrial water-starwort (Callitriche terrestris) on a shore near Birch Creek Unit of Somerville Lake State Park. Texas, March 26, 2023  Mat of terrestrial water-starwort (Callitriche terrestris) with tiny leaves on a muddy shore of Flag Pond on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, March 10, 2021  Terrestrial water-starwort (Callitriche terrestris) with tiny leaves and fruits on a muddy shore of Flag Pond on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, March 10, 2021  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  Mat of a semi-aquatic plant terrestrial water-starwort (Callitriche terrestris) with tiny leaves on a muddy shore of Flag Pond on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, March 10, 2021  Pillow like green mat of terrestrial water-starwort (Callitriche terrestris) with tiny leaves on a shore of Flag Pond at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, April 4, 2021  Green mat of a prostrate plant terrestrial water-starwort (Callitriche terrestris) on wet soil near the lake at Birch Creek Unit of Somerville Lake State Park. Texas, March 18, 2021  Dense prostrate plant terrestrial water-starwort (Callitriche terrestris) on wet soil near the lake at Birch Creek Unit of Somerville Lake State Park. Texas, March 18, 2021  Mats of a prostrate plant terrestrial water-starwort (Callitriche terrestris) on wet soil near the lake at Birch Creek Unit of Somerville Lake State Park. Texas, March 18, 2021  Prostrate plant with tiny leaves terrestrial water-starwort (Callitriche terrestris) on wet soil near the lake at Birch Creek Unit of Somerville Lake State Park. Texas, March 18, 2021  Terrestrial water-starwort (Callitriche terrestris) on shores of Flag Pond at Lake Somerville Trailway, near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023  Shoots of terrestrial water-starwort (Callitriche terrestris) on shores of Flag Pond at Lake Somerville Trailway, near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023  Balloonwort together with terrestrial water-starwort (Callitriche terrestris) on shores of Flag Pond at Lake Somerville Trailway, near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023  Tiny leaves of terrestrial water-starwort (Callitriche terrestris) together with balloonwort on shores of Flag Pond at Lake Somerville Trailway, near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023  Twoheaded water-starwort (Callitriche heterophylla) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 14, 2020  Twoheaded water-starwort (Callitriche heterophylla) near a small pond at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 14, 2020  Salt-marsh fleabane(?) and terrestrial water-starwort 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) growing on the exposed sandy shore of Lake Somerville. Closer to the lake[CloseCurlyQuote]s edge, individuals of this same species growing in puddles or shallow water will look remarkably different. When submerged or growing in saturated mud, the plant physically alters its cellular growth, producing leaves that are much larger, thinner, and distinctly elongated to maximize their ability to capture diffused light and dissolved gases underwater. Texas, February 28, 2026  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  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  A symmetrical, bright green mat of terrestrial water-starwort (Callitriche terrestris) growing on the exposed sandy shore of Lake Somerville. This tiny, native semi-aquatic plant behaves as an opportunistic pioneer on recently exposed mud and sand. When a seed germinates on bare, unobstructed ground, it sends out highly branched, creeping stems that radiate outward at an equal rate, rooting at the nodes as they travel. This uniform, radial growth is what creates the nearly perfect circular "cushion" seen here. Texas, February 28, 2026  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  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  Dead oak tree on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, March 1, 2025  Watr-primrose (Ludwigia) 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  Rosette of leaves of bittercress(?) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, March 1, 2025  Shallow water on a shore of the lake near Birch Creek Unit of Somerville Lake State Park. Texas, November 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  Weathered remains of a post oak stump exposed by the drought-lowered water levels on a lake shore at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. This "driftwood" appearance is characteristic of hardwoods that have been submerged and subjected to long-term water erosion, which scours away the softer outer sapwood and leaves the dense, rot-resistant heartwood. Texas, December 14, 2025  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  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  Terrestrial moss Thelia lescurii(?) on roadside at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 2019  The lake shore near a road along north shore of Lake Somerville near Birch Creek Unit Somerville Lake State Park. Texas, March 14, 2018  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  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  "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  Terrestrial moss Thelia lescurii(?) on sandstone in shade at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 2019  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  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  Small sedge in sand on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, November 23, 2023  Weathered oak wood in sand 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  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  Turnsole (Heliotropium procumbens) in sand on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, November 23, 2023  Common creeping grass on sand on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, November 23, 2023  "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  Seedling of turnsole (Heliotropium procumbens) in sand on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, November 23, 2023  Creeping lovegrass (Eragrostis reptans) in sand on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, November 23, 2023  Seedling of rustweed (Polypremum procumbens) in sand on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, November 23, 2023  Seeds of creeping lovegrass (Eragrostis reptans) in sand on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, November 23, 2023  Western umbrella-sedge (Fuirena simplex) in sand on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, November 23, 2023  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  Shore of the lake at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 2019  Seedlings of brookweed (water cabbage, Samolus valerandi) on the lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, March 21, 2026  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  Close-up of a prostrate plant with tiny leaves terrestrial water-starwort (Callitriche terrestris) on wet soil on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, March 18, 2021  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  Terrestrial moss Thelia lescurii(?) on a side of a trail at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 17, 2019  Terrestrial moss Thelia lescurii(?) on sandstone outcrop at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 21, 2019  Close-up of terrestrial moss Thelia lescurii(?) on roadside at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 5, 2020  Milkcap mushrooms (Lactarius) near a road along north shore of Lake Somerville near Birch Creek Unit Somerville Lake State Park. Texas, March 14, 2018  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  Terrestrial moss Thelia lescurii(?) on roadside sandstone rocks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 5, 2020  Low water level on the lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, January 16, 2023  Receding water on a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, July 4, 2022  Foamy water at lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, July 31, 2022  Receded water and the lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, July 31, 2022  Brookweed (water cabbage, Samolus valerandi) on wet soil with seeping water on a shore of Flag Pond at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, April 4, 2021  Shoots of water-primrose (Ludwigia octovalvis)(?) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2021  Young leaves of oak 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  Young leaves of elm at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 15, 2025  Vegetation of shallow water on a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, July 4, 2022  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  Old oak stump emerged after water receded, on the lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, January 16, 2023  Old tree trunks at low water level at lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, July 31, 2022  Shoots of buttonbush in receding water on a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, July 4, 2022  Roots of buttonbush in receding water on a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, July 4, 2022  Bottonbush roots at low water level on a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, July 4, 2022  Weathered oak stump on a shore of the lake near Birch Creek Unit of Somerville Lake State Park. Texas, November 1, 2025  Clay and sand on a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, July 21, 2022  Sand and grass on a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, August 26, 2023  Some leaves on sand of a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, February 28, 2026  Vetch(?) on sand of a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, February 28, 2026  Cartilage lichen (Ramalina stenospora) on a twig at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 15, 2025 |