 Dead oaks with greenbrier at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2021
 Dead oaks overgrown by greenbrier (Smilax) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 5, 2020
 Greenbrier at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2021
 Standing dead oaks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 6, 2024
 Dead oak forest at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 14, 2020
 Dead oaks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2021
 Dead oaks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 2022
 Dead oak forest at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 2022
 Dead forest in a recently flooded area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 2019
 Dead oaks in a recently flooded area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 2019
 Dead oak forest on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Greenbrier (Smilax) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 17, 2019
 Greenbrier (Smilax) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 29, 2023
 Greenbrier (smilax) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 22, 2018
 Grass and greenbrier at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 5, 2020
 Greenbrier (Smilax) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 24, 2021
 Greenbrier (Smilax) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 21, 2019
 Masses of greenbrier (Smilax) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 24, 2021
 Oaks overgrown by greenbrier at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 24, 2021
 Oaks overgrown by greenbrier at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2021
 Oaks with greenbrier (smilax) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 22, 2018
 Jungles of greenbrier (Smilax) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 5, 2020
 Rusty refridgerator(?) under greenbrier at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 17, 2019
 Tiger sawgill mushrooms (Lentinus tigrinus) at the base of dead trees in a formerly flooded area near the lake at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 2019
 Dense growth of greenbrier (Smilax) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 5, 2020
 Bushes overgrown by greenbrier (Smilax) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 5, 2020
 Oaks and bushes overgrown by greenbrier (Smilax) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 5, 2020
 Climbing buckwheat (Fallopia scandens) on greenbrier at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 6, 2020
 Dried orange leaves of greenbrier (Smilax) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 31, 2022
 Shoot of common greenbrier (Smilax rotundifolia) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Dead oaks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 17, 2019
 Dead oak forest at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 17, 2019
 Dead oak skeleton at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 31, 2022
 Frequently flooded area with dead oak trees at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, May 31, 2022
 Brown corticioid (crust) mushroom Dichostereum effuscatum on a standing dead live oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 1, 2023
 Fieldcap (Agrocybe) mushrooms in grass near a road in a previously flooded area of a dead oak forest at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 18, 2021
 Spiderwort (Tradescantia) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
 Former cattle pond on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
 Spiderwort (Tradescantia) flowers on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 2, 2024
 Winecup flower (Callirhoe) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
 Oaks near mile post 2 on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
 Falling dried oaks on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
 Standing dead oak (snag) near the lake in Birch Creek Unit of Lake Somerville State Park, Texas, October 26, 2024
 Blue flower of spiderwort (Tradescantia) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
 Violet flowers of spiderwort (Tradescantia) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
 Bluestar flowers (Amsonia tabernaemontana) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
 Leaves of coralberry (Symphoricarpos orbiculatus) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
 Bluestar flowers (Amsonia tabernaemontana) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
 Indian paintbrush (Castilleja indivisa) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
 Carolina larkspur (Delphinium carolinianum) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
 Blooming sow thistle (Sonchus oleraceus) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
 Little quaking grass (Briza minor) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
 Woolly-white (Hymenopappus artemisiaefolius) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
 Flowers of woolly-white (Hymenopappus) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
 Rosette of basal leaves of thistle on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 2, 2024
 Young leaves of bluebonnet (Lupinus) in dew on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 2, 2024
 Beard lichen (Usnea) on an elm tree on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 2, 2024
 Young plants of borage family on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 2, 2024
 Young leaves of thistle (Cirsium) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 2, 2024
 Standing dead oak (snag) in Birch Creek Unit of Lake Somerville State Park, Texas, October 26, 2024
 Small violet flowers of spiderwort (Tradescantia) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
 Basal leaves of star thistle (Centaurea)(?) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 2, 2024
 A moth on false dandelion (Pyrrhopappus carolinianus) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
 Crown tickseed flower (Coreopsis nuecensoides) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
 Flower and seeds of sow thistle (Sonchus oleraceus) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
 Squaw-weed flowers (Senecio ampullaceus) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
 Golden-eye lichen (Teloschistes chrysophthalmus) on a twig on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 2, 2024
 Reddish shoot of buttonbush (Cephalanthus occidentalis) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
 Showy evening primrose (Oenothera speciosa) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
 Baby blue eyes (Nemophila phacelioides) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
 Rosette of leaves of evening primrose (oenothera)(?) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 2, 2024
 Blooming small skullcap (Scutellaria parvula) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
 Potato earthball mushrooms (Scleroderma bovista) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
 Oaks and greenbrier at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, April 4, 2021
 Trees and greenbrier at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, April 4, 2021
 Greenbrier (Smilax) at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, April 4, 2021
 Remains of dead forest in frequently flooded area on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 12, 2022
 Large standing dead oak (snag) in Birch Creek Unit of Lake Somerville State Park, Texas, October 26, 2024
 Standing dead oak (snag) on a shore in Birch Creek Unit of Lake Somerville State Park, Texas, October 26, 2024
 Trunk of a standing dead oak (snag) in Birch Creek Unit of Lake Somerville State Park, Texas, October 26, 2024
 Greenbrier (Smilax) and oaks on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, December 21, 2023
 White substance from animal droppings under a microscope (in KOH), collected on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 2, 2024
 Top view of young pad of prickly pear cactus (Opuntia) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
 Young pads of prickly pear cactus (Opuntia) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
 Central area of a rosette of basal leaves of thistle on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 2, 2024
 Winter rosette of leaves of star thistle (Centaurea)(?) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 2, 2024
 Close-up of young pad of prickly pear cactus (Opuntia) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
 Young plants of cucumber weed (Parietaria pensylvanica) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 2, 2024
 Apothecia of golden-eye lichen (Teloschistes chrysophthalmus) on a twig on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 2, 2024
 White flower of Drummond sandwort (Arenaria drummondii) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
 Wood texture of a standing dead oak (snag) in Birch Creek Unit of Lake Somerville State Park, Texas, October 26, 2024
 Old cattle pond at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 6, 2024
 Spiderwort (Tradescantia) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 14, 2024
 Mowed path at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 14, 2024
 Green grassy path at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 14, 2024
 Leaves of bluebonnet (lupinus) in dew at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 6, 2024
 Aeciospores of blackberry rust fungus Gymnoconia nitens, collected on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 2, 2024
 Tiny yellow flowers of monkey jump-up (Mecardonia procumbens) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
 Slender orange-bush lichen (Teloschistes exilis) on a twig on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 2, 2024
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