 Emerging rattlebush on the bottom of Somerville Lake in Birch Creek Park. Texas, September 17, 2011
 Rattlebush growing on dry bottom of Somerville Lake in Birch Creek Unit of Somerville Lake State Park, July 14, 2013
 Dry bottom of Somerville Lake near Birch Creek Park. Texas, August 21, 2011
 Rotting log on dry bottom of Somerville Lake near Birch Creek Park. Texas, August 21, 2011
 Sedges on dry bottom of Somerville Lake near Birch Creek Park. Texas, August 21, 2011
 Caked mud on dry bottom of Somerville Lake near Birch Creek Park. Texas, August 21, 2011
 Animal tracks on dry bottom of Somerville Lake near Birch Creek Park. Texas, August 21, 2011
 Old tree stump on dry bottom of Somerville Lake near Birch Creek Park. Texas, August 21, 2011
 Animal tracks on caked mud of dry bottom of Somerville Lake near Birch Creek Park. Texas, August 21, 2011
 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
 Dry mud on the bottom of Somerville Lake in Birch Creek Park. Texas, September 17, 2011
 Cracked mud on the bottom of Somerville Lake in Birch Creek Park. Texas, September 17, 2011
 Caked mud on the bottom of Somerville Lake in Birch Creek Park. Texas, September 17, 2011
 Cracks in mud on the bottom of Somerville Lake in Birch Creek Park. Texas, September 17, 2011
 Dry bottom of Somerville Lake with sedges in Birch Creek Park. Texas, September 17, 2011
 Shells on dry bottom of Somerville Lake in Birch Creek Unit of Somerville Lake State Park, July 14, 2013
 Tree root on dry bottom of Somerville Lake in Birch Creek Unit of Somerville Lake State Park, July 14, 2013
 Skeleton of alligator gar on dry bottom of Somerville Lake in Birch Creek Unit of Somerville Lake State Park, July 14, 2013
 Petrified wood on dry bottom of Somerville Lake in Birch Creek Unit of Somerville Lake State Park, July 14, 2013
 Dry vegetation on a shore of Somerville Lake near Birch Creek Park. Texas, August 21, 2011
 A trail near Somerville Lake in Birch Creek State Park. Texas, August 21, 2011
 Dry buttonbush on a shore of Somerville Lake near Birch Creek Park. Texas, August 21, 2011
 Dying vegetation on shores of Somerville Lake near Birch Creek Park. Texas, August 21, 2011
 Dodder (Cuscuta) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 Mallow plant at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 9, 2020
 Little green frog on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 Turnsole (Heliotropium indicum) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 24, 2019
 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
 Knotweed (Persicaria) joint on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 Buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 24, 2019
 Beaksedge, probably Rhynchospora corniculata, on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 Partridge pea (Cassia fasciculata) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 9, 2020
 Switchgrass (Panicum virgatum)(?) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 Some slender seedling of pea family at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 9, 2020
 Fragrant flatsedge (Cyperus odoratus)(?) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 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
 Balloon vine (Cardiospermum halicacabum) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 Virginia wildrye (Elymus virginicus) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 9, 2020
 Paraguayan windmillgrass (Chloris canterai)(?) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 9, 2020
 Large buttonweed (Diodia virginiana) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 9, 2020
 Plant of Partridge pea (Cassia fasciculata) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 24, 2019
 Wild petunia (Ruellia) in dry conditions at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 9, 2020
 Blooming horseweed (Conyza canadensis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 9, 2020
 Flowers of turnsole (Heliotropium indicum) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 24, 2019
 Western umbrella-sedge (Fuirena simplex) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 Green shoot of buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 9, 2020
 Mistflower (wild ageratum, Eupatorium) in a ditch at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 9, 2020
 Five-fingered morning glory (Ipomoea cairica) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 9, 2020
 Salt-marsh fleabane (Pluchea odorata) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 Dry flowers of Hooker s eryngo (Eryngium hookeri) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 9, 2020
 Back lit leaves of partridge pea (Cassia fasciculata) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 9, 2020
 Trailing fuzzy-bean (Strophostyles helvola) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 9, 2020
 Dodder (Cuscuta) in formely flooded area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 9, 2020
 Globular inflorescense of buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 24, 2019
 Mat of western umbrella-sedge (Fuirena simplex) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 Blooming rough cocklebur (Xanthium strumarium) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 Inflorescence of Paraguayan windmillgrass (Chloris canterai)(?) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 9, 2020
 Late-flowering boneset (Eupatorium serotinum) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 Uncoiling inflorescence of turnsole (Heliotropium indicum) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 24, 2019
 Flowers of rough cocklebur (Xanthium strumarium) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 Close-up of western umbrella-sedge (Fuirena simplex) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 Fruits of western umbrella-sedge (Fuirena simplex) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 Flowers of salt-marsh fleabane (Pluchea odorata) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 Fire ants eating a grasshopper on a road along north shore of Lake Somerville near Birch Creek Unit Somerville Lake State Park. Texas, August 29, 2009
 Seeds(?) of western umbrella-sedge (Fuirena simplex) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 Blooming salt-marsh fleabane (Pluchea odorata) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 Patch of corticioid fungus Dendrothele candida on bark of a big live oak behind the park entrance at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 9, 2020
 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
 Fluffy seeds of salt-marsh fleabane (Pluchea odorata) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 Gulf Fritillary (Agraulis vanillae) butterfly on a road along north shore of Lake Somerville near Birch Creek Unit Somerville Lake State Park. Texas, August 29, 2009
 Blooming barnyard grass (cockspur, Echinochloa crus-galli) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 Flowers of barnyard grass (cockspur, Echinochloa crus-galli) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 Inflorescence of barnyard grass (cockspur, Echinochloa crus-galli) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 Ball rolling dung beetle (Scarabeus) on a road along north shore of Lake Somerville near Birch Creek Unit Somerville Lake State Park. Texas, August 29, 2009
 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
 Flower spike of barnyard grass (cockspur, Echinochloa crus-galli) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 White patches of corticioid fungus Dendrothele candida on bark of a big live oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 9, 2020
 Close-up of flowers of barnyard grass (cockspur, Echinochloa crus-galli) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 Barnyard grass (cockspur, Echinochloa crus-galli) with a little green frog on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 White cracked patch of corticioid mushroom Dendrothele candida on bark of a big live oak behind the park entrance at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 9, 2020
 White patches of corticioid fungus Dendrothele candida in crevices of bark of a big live oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 9, 2020
 Back lit little green frog on barnyard grass (cockspur, Echinochloa crus-galli) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 Rosette of leaves of some plant on Lake Somerville Trailway in area of Newman Bottom near Nails Creek Unit of Somerville Lake State Park. Texas, February 2, 2021
 Leaves of milk(?) thistle on Lake Somerville Trailway in area of Newman Bottom near Nails Creek Unit of Somerville Lake State Park. Texas, February 2, 2021
 Hairy leaves of some plant on Lake Somerville Trailway in area of Newman Bottom near Nails Creek Unit of Somerville Lake State Park. Texas, February 2, 2021
 Seedling of bluebonnet (Lupinus) on Lake Somerville Trailway in area of Newman Bottom near Nails Creek Unit of Somerville Lake State Park. Texas, February 2, 2021
 Winter rosette of some thistle on Lake Somerville Trailway in area of Newman Bottom near Nails Creek Unit of Somerville Lake State Park. Texas, February 2, 2021
 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
 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
 Wintering plant of bluebonnet (Lupinus) on Lake Somerville Trailway in area of Newman Bottom near Nails Creek Unit of Somerville Lake State Park. Texas, February 2, 2021
 Prickly winter rosette of some thistle on Lake Somerville Trailway in area of Newman Bottom near Nails Creek Unit of Somerville Lake State Park. Texas, February 2, 2021
 Young plant of bluebonnet (Lupinus) on Lake Somerville Trailway in area of Newman Bottom near Nails Creek Unit of Somerville Lake State Park. Texas, February 2, 2021
 Basal leaves of cudweef (Gnaphalium) on Lake Somerville Trailway in area of Newman Bottom near Nails Creek Unit of Somerville Lake State Park. Texas, February 2, 2021
 Some hairy winter rosette of leaves on Lake Somerville Trailway in area of Newman Bottom near Nails Creek Unit of Somerville Lake State Park. Texas, February 2, 2021
 Emerging plant of bluebonnet (Lupinus) on Lake Somerville Trailway in area of Newman Bottom near Nails Creek Unit of Somerville Lake State Park. Texas, February 2, 2021
 Frothy porecrust fungus (Oxyporus latemarginatus) on a fallen tree near Yegua Creek on Lake Somerville Trailway in area of Newman Bottom near Nails Creek Unit of Somerville Lake State Park. Texas, February 2, 2021
 Young hairy leaves of bluebonnet (Lupinus) on Lake Somerville Trailway in area of Newman Bottom near Nails Creek Unit of Somerville Lake State Park. Texas, February 2, 2021
 Seedling of bluebonnet (Lupinus) near a sandy road on Lake Somerville Trailway in area of Newman Bottom near Nails Creek Unit of Somerville Lake State Park. Texas, February 2, 2021
 Silvery basal leaves of cudweef (Gnaphalium) on Lake Somerville Trailway in area of Newman Bottom near Nails Creek Unit of Somerville Lake State Park. Texas, February 2, 2021
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