 Former cattle pond on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
 Old cattle pond at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 31, 2021
 Cattle pond at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, June 19, 2022
 Old cattle pond at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 6, 2024
 Cattle pond on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 14, 2024
 Smartweed (Polygonum) 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
 Old cattle pond near a trail in Birch Creek Unit of Lake Somerville State Park, Texas, July 22, 2018
 Turnsole (Heliotropium indicum) 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
 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
 Turnsole (Heliotropium indicum) with a small beetle 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
 Various views of bracket polypore mushrooms Truncospora mexicana on a fallen trunk of a broadleaf tree near a pond at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 1, 2023
 Underside of bracket polypore mushrooms Truncospora mexicana on a fallen trunk of a broadleaf tree near a pond at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 1, 2023
 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
 Bracket polypore mushrooms Truncospora mexicana turning orange on a fallen trunk of a broadleaf tree near a pond at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 1, 2023
 Cross section of bracket polypore mushrooms Truncospora mexicana on a fallen trunk of a broadleaf tree near a pond at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 1, 2023
 Upper surface of bracket polypore mushrooms Truncospora mexicana on a fallen trunk of a broadleaf tree near a pond at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 1, 2023
 Fieldcap (Agrocybe)(?) mushroom at Lake Somerville Trailway under oaks near Flag Pond, near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023
 Pink phlox flowers at Lake Somerville Trailway under oaks near Flag Pond, near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023
 Some shoots with lanceolate leaves at Lake Somerville Trailway under oaks near Flag Pond, near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023
 Caps of bracket polypore mushrooms Truncospora mexicana turning orange on a fallen trunk of a broadleaf tree near a pond at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 1, 2023
 Bracket polypore mushrooms Truncospora mexicana (T. ochroleuca group) on a thin tree under oaks, juniper near a pond near the entrance, at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 1, 2023
 Rosette of leaves of some aquatic plant on shores of Flag Pond at Lake Somerville Trailway, near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023
 Leaves of bluebonnet (Lupinus) with some whitish fungus(?) at Lake Somerville Trailway near Flag Pond, near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023
 Underside of fieldcap (Agrocybe)(?) mushroom at Lake Somerville Trailway under oaks near Flag Pond, near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023
 Blue flowers of spiderwort (Tradescantia) at Lake Somerville Trailway under oaks near Flag Pond, near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023
 Field chickweed (Cerastium arvense(?)) at Lake Somerville Trailway under oaks near Flag Pond, near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023
 Denseflower bladderpod (Lesquerella densiflora) at Lake Somerville Trailway under oaks near Flag Pond, near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023
 Sticky mouse-ear (Cerastium glomeratum) at Lake Somerville Trailway under oaks near Flag Pond, near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023
 Heartleaf nettle (Urtica chamaedryoides) at Lake Somerville Trailway under oaks near Flag Pond, near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023
 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
 Bluebonnet (Lupinus) with wilted leaves because of some whitish fungus(?) at Lake Somerville Trailway near Flag Pond, near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023
 Red water fern (Azolla filiculoides) together with duckweed on shores of Flag Pond at Lake Somerville Trailway, near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023
 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
 Leaves of tansy mustard (Descurainia pinnata) at Lake Somerville Trailway under oaks near Flag Pond, near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023
 Duckweed 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
 Close-up of 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
 Flowers of tansy mustard (Descurainia pinnata) at Lake Somerville Trailway under oaks near Flag Pond, 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
 White flowers of field chickweed (Cerastium arvense(?)) at Lake Somerville Trailway under oaks near Flag Pond, 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
 Young leaves of bluebonnet (Lupinus) with some small white spots at Lake Somerville Trailway near Flag Pond, near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023
 Hairy purslane speedwell (Veronica peregrina ssp. xalapensis) on shores of Flag Pond at Lake Somerville Trailway, near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023
 Red water fern (Azolla filiculoides) overgrowing duckweed 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
 Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Growth of red water fern (Azolla filiculoides) overgrowing other plants on shores of Flag Pond at Lake Somerville Trailway, near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023
 Orange-striped ribbonsnake on a carpet of 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
 Head of orange-striped ribbonsnake on 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
 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
 Highway of leaf-cutting ants surrounded by cut leaves of Yaupon holly at Lake Somerville Trailway under oaks near Flag Pond, near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023
 Dry oak and vines on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Oak skeletons on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Catkins of elm on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Orange-striped ribbonsnake on a carpet of red water fern (Azolla filiculoides) and duckweed on shores of Flag Pond at Lake Somerville Trailway, near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023
 Close-up of head of orange-striped ribbonsnake on 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
 Large highway of leaf-cutting ants surrounded by cut leaves of Yaupon holly at Lake Somerville Trailway under oaks near Flag Pond, near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023
 Hairy phacelia (Phacelia hirsuta) at Lake Somerville Trailway under oaks near Flag Pond, near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023
 Dead oak forest on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Wild turkeys on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Some green shoot on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Grassy path of a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Shoot of some plant on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Shoots of winged elm on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Hairy shoot of oak on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Spiderwort (Tradescantia) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 26, 2023
 Shaded path on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Shoot of cypress(?) elm on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Some sedge (Carex) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Orange-striped ribbonsnake with some parasitic insects on a carpet of 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
 Some hairy rosette of leaves on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Young leaves of cypress(?) elm on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Male wild turkey on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Red soots from a dried blackjack oak on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 26, 2023
 Young hairy leaves of oak on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 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
 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 chinaberry (Melia azedarach) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Young leaves of sage (Salvia)(?) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Flower buds of a thistle (Cirsium) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 26, 2023
 Drummond sandwort (Arenaria drummondii) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Indian paintbrush (Castilleja indivisa) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 26, 2023
 Spider web in dew in frequently flooded area on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Some brown moth on a grass blade on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 26, 2023
 Dry last year cocklebur (Xanthium strumarium) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Giant ragweed (Ambrosia trifida) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 26, 2023
 Little quaking grass (Briza minor) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 26, 2023
 Some hairy shoot of carrot family on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 26, 2023
 Toad flax (Linaria texana) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 26, 2023
 Flower buds of corn salad on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Shoot of gum Bumelia (Sideroxylon lanuginosum) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Drummond sandwort (Arenaria drummondii) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 26, 2023
 Swelling of a stem of tansy mustard (Descurainia pinnata) caused by white rust fungus of crucifers (Albugo candida) at Lake Somerville Trailway under oaks near Flag Pond, near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023
 Underside of bracket polypore mushroom Truncospora mexicana on a fallen trunk of a broadleaf tree near a pond at the entrance of a trailway at Birch Creek Unit of Somerville Lake State Park. Texas, December 29, 2023
 Small bracket polypore mushroom Truncospora mexicana on a fallen trunk of a broadleaf tree near a pond at the entrance of a trailway at Birch Creek Unit of Somerville Lake State Park. Texas, December 29, 2023
 Larger bracket of polypore mushroom Truncospora mexicana on a fallen trunk of a broadleaf tree near a pond at the entrance of a trailway at Birch Creek Unit of Somerville Lake State Park. Texas, December 29, 2023
 Blunt pellitory (Parietaria pensylvanica, Urticaceae) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Showy blue star (Amsonia illustris) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 26, 2023
 Red petals of Indian paintbrush (Castilleja indivisa) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 26, 2023
 White prickly poppy (Argemone albiflora) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 26, 2023
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