Road in Birch Creek Park near Somerville Lake. Texas, September 17, 2011
Dry trees in Birch Creek Park near Somerville Lake. Texas, September 17, 2011
Sunrise over Somerville Lake in Birch Creek Park. Texas, September 17, 2011
Dry grass in Somerville Lake in Birch Creek Park. Texas, September 17, 2011
Dry sedge in Somerville Lake in Birch Creek Park. Texas, September 17, 2011
Caked mud of Somerville Lake in Birch Creek Park. Texas, September 17, 2011
Dry mud on the bottom of Somerville Lake in Birch Creek Park. Texas, September 17, 2011
Oak forest in Birch Creek Park near Somerville Lake. Texas, September 17, 2011
Dry vegetation in Birch Creek Park near Somerville Lake. Texas, September 17, 2011
Oak forest in Birch Creek Park near Somerville Lake. Texas, September 17, 2011
A trail in Birch Creek Park near Somerville Lake. Texas, September 17, 2011
Cracked mud on the bottom of Somerville Lake in Birch Creek Park. Texas, September 17, 2011
Plastic boat 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
Dry bottom of Somerville Lake with sedges 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
Caked mud in Somerville Lake in Birch Creek Park at sunrise. Texas, September 17, 2011
Dead trees in Birch Creek Park near Somerville Lake. Texas, September 17, 2011
A sheel in dried mud of Somerville Lake in Birch Creek Park. Texas, September 17, 2011
Emerging rattlebush on the bottom of Somerville Lake in Birch Creek Park. Texas, September 17, 2011
Leaf cutter ant highway in Birch Creek Park near Somerville Lake. Texas, September 17, 2011
Dead tree trunks in Birch Creek Park near Somerville Lake. Texas, September 17, 2011
A trail through brown vegetation in Birch Creek Park near Somerville Lake. Texas, September 17, 2011
Dodder (Cuscuta) on rough cocklebur at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
Small Agaricus mushrooms under oaks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
Climbing hempvine (Mikania scandens) on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2012
Globular flower of buttonbush (Cephalanthus occidentalis) on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2012
Grasshopper on rough cocklebur (Xanthium strumarium) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
Green flowers of cocklebur (Xanthium strumarium) on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2012
Staminate flowers of cocklebur (Xanthium strumarium) on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2012
Side view of Agaricus mushrooms under oaks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
Underside of bracket polypore mushrooms on rotting oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
Cross section of Agaricus mushrooms under oaks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
White bracket polypore mushrooms on rotting oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
Strands of dodder (Cuscuta) on rough cocklebur at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
Dry bottom of Somerville Lake near Birch Creek Park. Texas, August 21, 2011
Pore surface of bracket polypore mushrooms on rotting oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
Bolete mushrooms Pulchroboletus rubricitrinus(?) under live oaks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
Resupinate polypore mushroom Xylodon flaviporus(?) on rotting oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
Orange strands of dodder (Cuscuta) on rough cocklebur at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
Small green grasshopper on leaves of rough cocklebur at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
Close up of staminate flowers of cocklebur (Xanthium strumarium) on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2012
Mature bolete mushrooms Pulchroboletus rubricitrinus(?) under live oaks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
Texture of pore surface of bracket polypore mushrooms on rotting oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
Leaves of Ipomoea lacunosa with rust fungus Coleosporium ipomoeae at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
Summer spiderlily (woodland spider-lily, Hymenocallis occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
Five-fingered morning glory (Ipomoea cairica) in area of marshes on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2012
A trail near Somerville Lake in Birch Creek State Park. Texas, August 21, 2011
Caked mud 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
Dry vegetation on a shore of Somerville Lake near Birch Creek Park. Texas, August 21, 2011
Dry buttonbush on a shore 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
Cross section of bolete mushrooms Pulchroboletus rubricitrinus(?) under live oaks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
Close-up of a leaf of Ipomoea lacunosa with rust fungus Coleosporium ipomoeae at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
Leaves of Ipomoea lacunosa damaged by rust fungus Coleosporium ipomoeae at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
Tiny white Clitopilus mushrooms near a road crossing, in sparse grass at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
Side view of bolete mushrooms Pulchroboletus rubricitrinus(?) under live oaks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
Tiny white Clitopilus mushrooms near a sandy path in sparse grass at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
Flowers of summer spiderlily (woodland spider-lily, Hymenocallis occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
Both sides of a leaf of Ipomoea lacunosa with rust fungus Coleosporium ipomoeae at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
Dying vegetation on shores 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
Rattlebush colonizing 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
Details of orange rust fungus Coleosporium ipomoeae on a leaf of Ipomoea lacunosa at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
Orange spots of rust fungus Coleosporium ipomoeae on a leaf of Ipomoea lacunosa at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
Texture of orange rust fungus Coleosporium ipomoeae on a leaf of Ipomoea lacunosa at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
White flower of summer spiderlily (woodland spider-lily, Hymenocallis occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
Pattern of orange rust fungus Coleosporium ipomoeae on a leaf of Ipomoea lacunosa at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
Close-up of milk-white toothed polypore mushroom (Irpex lacteus) on a fallen twig at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
Leaves of whitestar morning-glory (Ipomoea lacunosa) with rust fungus Coleosporium ipomoeae at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
Close-up of orange spots of rust fungus Coleosporium ipomoeae on a leaf of Ipomoea lacunosa at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
Blooming whitestar morning-glory (Ipomoea lacunosa) with rust fungus Coleosporium ipomoeae at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
Texture of orange spots of rust fungus Coleosporium ipomoeae on a leaf of Ipomoea lacunosa at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
Orange spots of rust fungus Coleosporium ipomoeae on underside of a leaf of Ipomoea lacunosa at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
Animal tracks on caked mud of dry bottom of Somerville Lake near Birch Creek Park. Texas, August 21, 2011
Whitestar morning-glory (Ipomoea lacunosa) with orange spots from rust fungus Coleosporium ipomoeae at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
Flower of whitestar morning-glory (Ipomoea lacunosa) and a leaf with rust fungus Coleosporium ipomoeae at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
Underside of a leaf of whitestar morning-glory (Ipomoea lacunosa) with rust fungus Coleosporium ipomoeae at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
Purple gerardia (prairie agalinis, Agalinis purpurea) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
Milk-white toothed polypore mushroom (Irpex lacteus) together with splitgill (Schizophyllum commune) on a fallen twig at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
Whitestar morning-glory (Ipomoea lacunosa) with rust fungus Coleosporium ipomoeae in a frequently flooded area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
Whitestar morning-glory (Ipomoea lacunosa) in bloom with orange spots from rust fungus Coleosporium ipomoeae at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
Leaves of whitestar morning-glory (Ipomoea lacunosa) with orange spots from rust fungus Coleosporium ipomoeae at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
Salt-marsh fleabane (Pluchea odorata, Pluchea purpurescens) on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2012
Salt-marsh fleabane (Pluchea odorata, Pluchea purpurescens) on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2012
Marsh mallow (Halbert-leaved hibiscus, Hibiscus militaris) on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2012
Back lit flowers of purple gerardia (prairie agalinis, Agalinis purpurea) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
Close up of salt-marsh fleabane (Pluchea odorata, Pluchea purpurescens) on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2012
Whitestar morning-glory (Ipomoea lacunosa) with a flower and a leaf with orange spots from rust fungus Coleosporium ipomoeae at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
Tough grey polypore mushroom Perenniporia tephropora (Truncospora tephropora) on a vertically cut surface of a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
Close-up of tough grey polypore mushroom Perenniporia tephropora (Truncospora tephropora) on a vertically cut surface of a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
Tiny white grass oysterling mushrooms Crepidotus epibryus(?) on grass roots in a sandy pit dug by animals, in red cedar forest at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
Close-up of tiny white grass oysterling mushrooms Crepidotus epibryus(?) on grass roots in a sandy pit dug by animals, in red cedar forest at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
Details of tiny white grass oysterling mushrooms Crepidotus epibryus(?) on grass roots in a sandy pit dug by animals, in red cedar forest at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
Underside of tiny white grass oysterling mushrooms Crepidotus epibryus(?) on grass roots in a sandy pit dug by animals, in red cedar forest at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
Shore of a lake in Birch Creek Unit of Somerville Lake State Park. Texas, September 29, 2024
Shore of the lake near Birch Creek Unit of Somerville Lake State Park. Texas, September 14, 2024
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