 Elm catkins collected by ants under a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 5, 2019
 Accumulation of elm catkins near ant burrows in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 5, 2019
 Young leaves and catkins on a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 12, 2018
 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
 Sand mounds of leafcutter ants under a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
 Close up of fringe lichen (Heterodermia) on acacia (huisache) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Close up of Phaeophyscia lichen on a large huisache (acacia) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2019
 Close up of fringe lichen (Heterodermia) on small cedar elm tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Close up of flower of Morning glory (tievine, Ipomoea cordatotriloba) in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 5, 2019
 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
 Close-up of resupinate polypore mushroom of Fomitiporia punctata group on a fallen tree branch in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 4, 2021
 Oak catkins in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Catkins on oak in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Fire ants mound in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 19, 2010.
 Leaf cutter ants in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 20, 2022
 Catkins and young leaves of oak near Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 4, 2022
 Accumulation of ants on a gravel path in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 8, 2014
 Sand burrow of harvester ants on a road in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 24, 2020
 Leaf cutter ants on sand near their nest in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 20, 2022
 Close up of a grasshopper on a tree trunk in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 17, 2012
 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
 Close up of masses of millipedes in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 16, 2019
 Nest of leaf cutter ants carrying fragments of grass in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Entrance hole of a large mound of red harvester ants (Pogonomyrmex barbatus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2009
 Leaf cutter ants on sandy soil carrying fragments of grass in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 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
 Close up of medallion lichen (Dirinaria confusa) on an oak in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 12, 2019
 Close up of Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 10, 2019
 Close up of millipedes on a piece of rotting wood in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 16, 2019
 Close up of Indian paintbrush (Castilleja indivisa) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
 Close-up of greenish resupinate polypore mushroom on a dry willow like tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 7, 2024
 Close-up of relatively soft Hypoxylon fungus on wood of broadleaf tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Close up of Rabid Wolf Spider (Rabidosa rabida) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 10, 2019
 Close up of medallion lichen (Dirinaria confusa) on hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Close up of ruffle lichen Parmotrema submarginale on an oak branch in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 12, 2019
 Tree foliage in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 16, 2011
 Close up of medallion lichen (Dirinaria confusa) on bark of a hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 29, 2018
 Close-up of white web-like corticioid fungus on underside of a fallen broadleaf tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 30, 2022
 Saucer lichen Ochrolechia on a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Ruffle lichen (Parmotrema) on a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Script lichen (Graphis) on a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Fringe lichen (Heterodermia) on a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Young leaves on a pecan tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 A twig of hackberry tree with fruits in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Fruticous lichens on a small tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
 Fringe lichen Heterodermia on a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2019
 Spores of Lactocollybia mushrooms from the base of an osage orange tree, collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 Texture of tree bark in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 20, 2012
 Close up of slender orange bush lichen (Teloschistes exilis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 8, 2019
 Close up of King Alfred s cake fungus Daldinia concentrica in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 16, 2019
 Saucer lichen Ochrolechia pallescens on a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
 Fringe lichen (Heterodermia) on a small tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Blooming redbud tree (Cercis canadensis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
 Medallion lichen Dirinaria confusa on an old tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2019
 Medallion lichen Dirinaria confusa on a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2019
 Close-up of beech woodwart fungus (Hypoxylon fragiforme) on a fallen tree branch in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 5, 2020
 Close-up of brittle cinder fungus (Kretzschmaria deusta) at the base of a hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 6, 2021
 Dry tree foliage on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 16, 2011
 Close up of hydnoid (tooth) resupinate mushroom Mycoaciella bispora on rotting oak in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 15, 2019
 Close up of a flower of purple gerardia (false foxglove, Agalinis purpurea) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 15, 2019
 Mushrooms Mycena corticola on a small cedar elm tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 12, 2019
 Some green liverwort and lichens on bark of hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Lichen Lecanora louisianae(?) on acacia (huisache) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Sunken bloodspot lichen (Haematomma persoonii) on a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
 Common button lichen (Buellia stillingiana) on a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Script lichen (Graphis) on bark of hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Phaeophyscia lichen on a large huisache (acacia) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2019
 Tiny green liverwort on bark of hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Close-up of light brown corticioid mushroom with fine teeth on a fallen juniper(?) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Close up of black crust of dried slime mold (Ascomycota) at the base of Maclura(?) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 29, 2018
 Mushrooms Mycena corticola on a tree bark in area of Old Washington Town Site in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 6, 2021
 Flowers and young leaves of redbud tree (Cercis canadensis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
 Heterodermia albicans or may be H. casarettiana lichen on acacia (huisache) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Fringe lichen (Heterodermia albicans(?)) on acacia (huisache) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Tree fungus Melogramma gyrosum on a recently dried oak branch in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 12, 2019
 Saucer lichen Ochrolechia pallescens on bark of hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 White fringe lichen (Heterodermia albicans) on a hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Medallion lichen (Dirinaria confusa) on bark of hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Texture of script lichen (Graphis) on bark of hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Details of script lichen (Graphis) on bark of hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Slender orange bush lichen (Teloschistes exilis) on a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 8, 2019
 Some black Hypoxylon-like fungus on a fallen tree branch in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 4, 2021
 Gulf fritillary (Agraulis vanillae) butterfly on a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 20, 2012
 Highway of Texas leaf cutting ants (Atta texana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2022
 Nest of Texas leaf cutting ants (Atta texana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2022
 Close up of medallion lichen (Dirinaria confusa) on a dry(?) trunk of a bush-like tree of huisache (Acacia minuata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 29, 2018
 Close-up of witches butter jelly fungus (Exidia glandulosa) on a dry stem of a hackberry or pecan tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Asci and paraphyses of black Hysteroid pyrenomycetous fungus Hysterium angustatum(?) from a dry maclura tree at low magnification, collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 22, 2022
 Asci and spores of black Hysteroid pyrenomycetous fungus Hysterium angustatum(?) from a dry maclura tree at low magnification, collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 22, 2022
 Leaves of hackberry tree with Asian woolly hackberry aphids Shivaphis celti (Homoptera: Aphididae) and sooty black mold (fungal growth) in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 5, 2019
 Burrow of a nest of Texas leaf cutting ants (Atta texana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2022
 Saucer lichen Ochrolechia pallescens with apothecia on bark of hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Tiny green liverwort and Graphis lichen on bark of hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Slender orange bush lichen (Teloschistes exilis) on a small elm tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 8, 2019
 Apothecia of saucer lichen Ochrolechia pallescens on bark of hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Apothecia of medallion lichen (Dirinaria confusa) on bark of hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Octopus-like palmetto lichen (Ramalina celastri) in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 5, 2019
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