Burrow of leaf cutter ants among leaves og Yaupon holly on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 15, 2023
Leaf cutter ant highway across a sandy road in Lick Creek Park. College Station, Texas, June 6, 2018
Leaf cutter ant highway across a sandy road in Lick Creek Park. College Station, Texas, August 24, 2021
Leaf cutting ant s highway on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 12, 2022
Leaf cutter ants highway with berries and leaves of Yaupon holly in Bastrop State Park. Bastrop, Texas, December 25, 2021
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
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
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
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
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
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
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
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
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
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
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
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
Leaf cutter ant highway in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 20, 2022
Leaves of Yaupon holly on highway of leafcutting ants at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 31, 2022
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
Dry Somerville Lake in Birch Creek Park. Texas, September 17, 2011
A trail in Birch Creek Park near Somerville Lake. Texas, September 17, 2011
Sunrise over Somerville Lake in Birch Creek Park. Texas, September 17, 2011
Road in Birch Creek Park near Somerville Lake. Texas, September 17, 2011
Dry mud on the bottom of Somerville Lake in Birch Creek Park. Texas, September 17, 2011
Dry sedge in Somerville Lake in Birch Creek Park. Texas, September 17, 2011
Oak forest in Birch Creek Park near Somerville Lake. Texas, September 17, 2011
Dry trees in Birch Creek Park near Somerville Lake. Texas, September 17, 2011
Dry grass in Somerville Lake in Birch Creek Park. Texas, September 17, 2011
Caked mud 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
Narrow-leaf false dragonhead (Physostegia angustifolia(?)) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, May 7, 2023
Caked mud in Somerville Lake in Birch Creek Park at sunrise. Texas, September 17, 2011
Caked 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
Dead trees in Birch Creek Park near Somerville Lake. 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
A sheel in dried mud of Somerville Lake in Birch Creek Park. Texas, September 17, 2011
Plastic boat Somerville Lake in Birch Creek Park. Texas, September 17, 2011
Salt moth caterpillar on a leaf of giant ragweed at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 5, 2020
Young leaf and flower buds of mustang grape at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 3, 2022
Leaf of whitestar morning-glory (Ipomoea lacunosa) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 3, 2021
Jewel beetles (Buprestidae, Agrilus) on a woolly croton leaf at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 30, 2021
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
Emerging rattlebush on the bottom of Somerville Lake in Birch Creek Park. Texas, September 17, 2011
Jewel beetles (Buprestidae, genus Agrilus) on a leaf of Croton capitatus at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 30, 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
A nest of leaf-cutting ants with green and black fruits of evening primrose (Oenothera)(?) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 20, 2022
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
Unripe green and black fruits of evening primrose (Oenothera)(?) collected by leaf-cutting ants at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 20, 2022
Underside of a leaf of spring scorpion grass (Myosotis macrosperma) with rust fungus Puccinia eatoniae var. myosotidis(?) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 2022
Sand mounds of Texas leaf cutting ants Atta texana at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 4, 2020
Rust fungus Puccinia eatoniae var. myosotidis(?) on underside of a leaf of spring scorpion grass (Myosotis macrosperma, Boraginaceae) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 3, 2022
Lance-leaf burhead (Echinodorus cordifolius, Sagittaria) in Flag Pond on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, September 12, 2021
Galls under an oak leaf in Birch Creek Unit of Somerville Lake State Park. Texas, November 11, 2012
Galls on an oak leaf near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
Close up of galls on an oak leaf near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
Small dark aphids on a leaf near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
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
Dodder (Cuscuta) on rough cocklebur at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
Strands of dodder (Cuscuta) on rough cocklebur at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
Grasshopper on rough cocklebur (Xanthium strumarium) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
Cross section 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
Side view 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
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
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
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
Dry bottom of Somerville Lake near Birch Creek Park. Texas, August 21, 2011
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
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
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
Bolete mushrooms Pulchroboletus rubricitrinus(?) under live oaks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
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
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
Summer spiderlily (woodland spider-lily, Hymenocallis occidentalis) 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
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
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
A trail near Somerville Lake in Birch Creek State Park. Texas, August 21, 2011
Sedges on 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
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
Caked mud on dry bottom of Somerville Lake near Birch Creek Park. Texas, August 21, 2011
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
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
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
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
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
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
Old tree stump on dry bottom of Somerville Lake near Birch Creek Park. Texas, August 21, 2011
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