 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
 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
 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
 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
 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
 Barnyard grass (cockspur, Echinochloa crus-galli) on shores of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, October 4, 2022
 Inflorescense of barnyard grass (cockspur, Echinochloa crus-galli) on shores of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, October 4, 2022
 Barnyard grass (cockspur, Echinochloa crus-galli) on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, September 12, 2021
 Upper third of inflorescence of purpletop tridens grass (greasegrass, Tridens flavus) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 9, 2020
 Flowers of brownseed Paspalum grass (Paspalum plicatulum) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 Brownseed Paspalum grass (Paspalum plicatulum) with black ergot fungus Claviceps paspali on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 Seeds of brownseed Paspalum grass (Paspalum plicatulum) infected by ergot fungus Claviceps paspali 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
 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
 Dodder (Cuscuta) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 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
 Beaksedge, probably Rhynchospora corniculata, on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 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
 Fragrant flatsedge (Cyperus odoratus)(?) 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
 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
 Salt-marsh fleabane (Pluchea odorata) 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
 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
 Late-flowering boneset (Eupatorium serotinum) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 Western umbrella-sedge (Fuirena simplex) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 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
 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
 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
 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
 Common creeping grass on sand on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, November 23, 2023
 Sand and grass on a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, August 26, 2023
 Mouse barley grass (Hordeum pusillum) 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
 Uncoiling inflorescence of turnsole (Heliotropium indicum) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 24, 2019
 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
 The lake shore near a road along north shore of Lake Somerville near Birch Creek Unit Somerville Lake State Park. Texas, March 14, 2018
 Flowers of Florida paspalum grass (Paspalum floridanum) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 9, 2020
 Seeds of longspike tridens grass (Tridens strictus) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 Large corn like seeds of Florida paspalum grass (Paspalum floridanum) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 9, 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
 Grass and greenbrier at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 5, 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
 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
 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
 Dry little bluestem grass (Schizachyrium scoparium) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 4, 2020
 Flowers of grass Paspalum plicatulum at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 6, 2020
 Spider on little bluestem grass at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 17, 2021
 Grasshopper on bluestem grass at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 17, 2021
 A spider on little bluestem grass at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 3, 2021
 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
 Close-up of a grasshopper on bluestem grass at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 17, 2021
 A spider holding a bug on little bluestem grass at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 3, 2021
 Pair of spiders on little bluestem grass at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 3, 2021
 Yellow star-grass (Hypoxis hirsuta) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 14, 2020
 Southern canary grass (Phalaris caroliniana) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 5, 2020
 A spider with long legs on little bluestem grass at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 3, 2021
 Foxtail millet grass (Setaria italica) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 3, 2021
 Small camouflaged caterpillar on purpletop tridens grass at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 16, 2020
 Seeds of silver bluestem grass (Bothriochloa laguroides) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 16, 2020
 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
 Lake shore at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 6, 2019
 Shore of the lake at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 2019
 Dry oak trees on a lake shore at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 20, 2022
 Brunner s stick mantis (Brunneria borealis) in a meadow of little bluestem grass at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 17, 2021
 Brunner s stick mantis Brunneria borealis on little bluestem grass at morning at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 17, 2021
 Some hairy grass on a shore of Flag Pond at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, April 4, 2021
 Head of Brunner s stick mantis Brunneria borealis on little bluestem grass at morning at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 17, 2021
 Brunner s stick mantis Brunneria borealis in a meadow of little bluestem grass at morning at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 17, 2021
 Leaf-cutting (sharp-tailed) cuckoo bee Coelioxys (female) taken from bluestem grass at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2021
 Brunner s stick mantis Brunneria borealis on little bluestem grass (Schizachyrium scoparium) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 17, 2021
 Shaggy Portulaca (Rose purslane, Portulaca pilosa) on a road along north shore of Lake Somerville near Birch Creek Unit Somerville Lake State Park. Texas, August 29, 2009
 Spikelet of Vasey-grass (Paspalum urvillei) 1.5 meter tall growing on a sandy path at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, June 14, 2020
 Dorsal view of Brunner s stick mantis Brunneria borealis on little bluestem grass at morning at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 17, 2021
 Kleptoparasitic leaf-cutting (sharp-tailed) cuckoo bee Coelioxys, female, on bluestem grass at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2021
 Details of Brunner s stick mantis Brunneria borealis on little bluestem grass (Schizachyrium scoparium) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 17, 2021
 Elm(?) trees on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, December 29, 2023
 A road on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, May 6, 2018
 Trees on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, December 29, 2023
 Brownseed Paspalum grass (Paspalum plicatulum) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 16, 2020
 Brownseed Paspalum grass (Paspalum plicatulum) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 6, 2020
 White tridens grass (Tridens albescens) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, June 14, 2020
 Longspike tridens grass (Tridens strictus) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 16, 2020
 Skullcap (Scutellaria) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, May 6, 2018
 Grasses and trees on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, December 29, 2023
 Mallow plant at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 9, 2020
 Purpletop tridens grass (greasegrass, Tridens flavus) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 16, 2020
 Spike of white tridens grass (Tridens albescens) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, June 14, 2020
 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
 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
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