 Entrance hole of a large sand mound of red harvester ants (Pogonomyrmex barbatus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 24, 2009
 Entrance hole of a large sand mound of red harvester ants (Pogonomyrmex barbatus) in Old Baylor Park. Independence, Texas, April 14, 2021
 Entrance hole of a mound of red harvester ants (Pogonomyrmex barbatus) in Old Baylor Park. Independence, Texas, April 14, 2021
 Red harvester ants (Pogonomyrmex barbatus) crowding near their mound in Old Baylor Park. Independence, Texas, April 14, 2021
 Masses of red harvester ants (Pogonomyrmex barbatus) near their sand mound in Old Baylor Park. Independence, Texas, April 14, 2021
 Masses of red harvester ants (Pogonomyrmex barbatus) carrying plant seeds into their sand mound in Old Baylor Park. Independence, Texas, April 14, 2021
 Sand burrow of harvester ants on a road in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 24, 2020
 Fire ants mound in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 19, 2010.
 Crowds of red harvester ants (Pogonomyrmex barbatus) in Old Baylor Park. Independence, Texas, April 14, 2021
 Large Milkweed Bug (Oncopeltus fasciatus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2009
 Fire ant mound on a sandy path in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 4, 2021
 Aster flowers on fire ant mound near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 27, 2013
 Bluebonnet (lupin) seedling on fire ant mound in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 11, 2010
 Leaf cutter ants in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 20, 2022
 Accumulation of ants on a gravel path in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 8, 2014
 Elm catkins collected by ants under a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 5, 2019
 Corn speedwell (Veronica arvensis) growing on a fire ant mound in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2022
 Close up of elm catkins collected by ants under a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 5, 2019
 Sand mounds of leafcutter ants under a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
 Leaf cutter ants on sand near their nest in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 20, 2022
 Leaf cutter ants carrying fragments of grass in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Burrow of leaf cutter ants with fragments of grass around in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Nest of leaf cutter ants carrying fragments of grass in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Leaf cutter ants on sandy soil carrying fragments of grass in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Poison ivy near Old Washington Town Site Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2009
 Bluebonnets at Old Washington Town Site Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2009
 Field of wildflowers at Old Washington Town Site Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2009
 Field of bluebonnets at Old Washington Town Site Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2009
 Wildflowers in mist at Old Washington Town Site Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2009
 Field of wildflowers in mist at Old Washington Town Site Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2009
 Old Washington Town Site Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2009
 Field of bluebonnets and paintbrush flowers at Old Washington Town Site Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2009
 Field of bluebonnets and paintbrush flowers in mist at Old Washington Town Site Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2009
 Photographer with a tripod taking pictures of a field of bluebonnets at Old Washington Town Site Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 4, 2009
 Nest of Texas leaf cutting ants (Atta texana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2022
 Highway of Texas leaf cutting ants (Atta texana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2022
 Burrow of a nest of Texas leaf cutting ants (Atta texana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2022
 Texas leaf cutting ants (Atta texana) carrying leaves of Yaupon holly in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2022
 Close-up of Texas leaf cutting ants (Atta texana) with leaves of Yaupon holly in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2022
 Texas leaf cutting ants (Atta texana) with leaves and berries of Yaupon holly in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2022
 Large oak with catkins in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
 Catkins on a large oak in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
 Large oak tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 3, 2021
 Large spider in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 9, 2012
 Fallen acorns from a large red oak in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 20, 2024
 Large winter rosette of thistle in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 24, 2021
 Large shoot of thistle (Cirsium) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 Bark at the base of large black willow tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
 Milkcap mushrooms Lactarius subserifluus under large trees in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 6, 2021
 Phaeophyscia lichen on a large huisache (acacia) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2019
 Small grey Clitocyboid mushrooms Rhodocybe(?) on a side of a sandy path near the entrance in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 Close up of Phaeophyscia lichen on a large huisache (acacia) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2019
 Some small Gymnopus(?) mushrooms growing in large numbers in grass in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 8, 2018
 Large water drops (guttation) on some resupinate polypore mushroom on underside of an oak log in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 6, 2021
 Flower of thistle in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2009
 Dam of a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 24, 2009
 A pond from a dam in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 13, 2009
 Butterfly in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 19, 2009
 Magnolia flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2009
 Mistletoe in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 12, 2009
 Pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 24, 2009
 Ripening dewberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2009
 Shoot of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2009
 Dry leaf near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 13, 2009
 Robber Fly (Laphria) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 1, 2009
 A pond at morning in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 13, 2009
 Forest near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 13, 2009
 A pond from a dam at sunrise in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 13, 2009
 Forest in mist in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 23, 2009
 Milkweed seeds in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 6, 2009
 A pond at sunrise in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 13, 2009
 Loop trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 23, 2009
 Foggy pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 13, 2009
 Pond at morning in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2009
 Pond at morning in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 24, 2009
 Berries of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 1, 2009
 False dandelion with a bee in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 4, 2009
 Field of wildflowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 21, 2009
 Slender vervain (verbena) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 24, 2009
 White flowers on a bush in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 24, 2009
 Dry flower spike of plantain in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 24, 2009
 Turtle on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2009
 Berries of mistletoe in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 12, 2009
 Close up of a butterfly in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 19, 2009
 Forest near a pond dam in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2009
 Horse nettle(?) (Solanum) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2009
 Trail through a forest in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 23, 2009
 Thistle flower (Cirsium) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2009
 White magnolia flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2009
 Green leaves of magnolia in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2009
 Forest near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 24, 2009
 Carriage in mist in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2009
 Large shoot of bull nettle (Cnidoscolus texanus) in shade under live oaks in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 29, 2023
 Flower of an apple-like tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 15, 2009
 Old Ferry Road in mist in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2009
 Pioneer settlers in a museum in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 28, 2009
 Buttercup (Ranunculus muricatus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 31, 2009
 Buttercup flower near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 8, 2009
 Stork s bill (geranium) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 8, 2009
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