 Orange lantana flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 15, 2020
 Closed flowers of purple gerardia (false foxglove, Agalinis purpurea) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2010
 Horse apple (osage orange) in a frozen pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 10, 2010
 Slender orange bush lichen (Teloschistes exilis) on a twig in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 29, 2010
 Phacelia flowers in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 26, 2010.
 Phacelia flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 19, 2010.
 Mexican hat flowers (Ratibida columnaris) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2010
 Mexican hat flowers (Ratibida columnaris) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2010
 Flowers of Spotted beebalm (Monarda punctata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 23, 2010
 Black-eyed susan (Rudbeckia hirta) flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2010
 Orange dry leaves in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 10, 2011
 Orange butterfly near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2012
 Green grasshopper in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2010
 Folded leaves with dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2010
 Beebalm (Monarda punctata) and black-eyed susan (Rudbeckia hirta) flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2010
 Lactocollybia mushrooms at the base of osage orange in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 Orange jelly fungus Dacryopinax spathularia on a log in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 28, 2018
 Lactocollybia mushrooms on bark of osage orange in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 Horse apple (osage orange) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2012
 Insect eggs on a leaf in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2010
 Disturbed caterpillar of black swallowtail butterfly (Papilio polyxenes) in defensive pose showing orange horns (osmeterium) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 23, 2010
 Violet ruella (Ruellia nudiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 18, 2010
 Scarlet spiderling (Boerhavia diffusa) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 18, 2010
 Close-up of Lactocollybia mushrooms at the base of osage orange in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 Gills of Lactocollybia mushrooms at the base of osage orange in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 Close up of horse apple (osage orange) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2012
 Flat-backed millipede on a dry osage orange tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2020
 Slender orange bush lichen (Teloschistes exilis) on a twig in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 28, 2008
 Horse apple (osage orange, green brains) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 21, 2008
 Texas lantana in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 6, 2012
 Purple gerardia (false foxglove, Agalinis purpurea) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 18, 2010
 Amaranth flowers near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2020
 Beeblossom flowers (Gaura) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2019
 Tiny orange mushrooms Marasmius curreyi on a side of a sandy path in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 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
 Tiny orange mushrooms Marasmius curreyi among dry grass on the edge of a lawn in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 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
 Flower of purple gerardia (false foxglove, Agalinis purpurea) with dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2010
 Caterpillar of black swallowtail butterfly (Papilio polyxenes) in defensive pose retracting orange horns (osmeterium) and showing three pairs of front legs in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 23, 2010
 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
 Spores of tiny orange mushrooms Marasmius curreyi growing in grass, collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 Flowers of snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2019
 Flowers of Morning Glory (Ipomoea cordatotriloba) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2019
 Flowers of Zizotes milkweed (Asclepias oenotheroides) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 15, 2019
 Orange bark of Horse apple (osage orange) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 16, 2011
 Orange trunk of Horse apple (osage orange) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 16, 2011
 Opening flower of purple gerardia (false foxglove, Agalinis purpurea) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2010
 Damselfly on a flower of purple gerardia (false foxglove, Agalinis purpurea) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2010
 Tiny orange mushrooms Marasmius curreyi growing on dry grass on a side of a sandy path in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 Flowers of balloon vine (Cardiospermum halicacabum) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2012
 Resette of leaves and small white flowers of a plant in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 15, 2019
 Pink flowers of creeping beggarweed (Desmodium incanum) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 15, 2019
 Dry flowers and seeds of lemon beebalm (Monarda citriodora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 9, 2023
 Flowers of giant reed (Arundo donax) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 27, 2020
 Tan pinkgill mushrooms (Rhodocybe gemina, Clitopilus geminus)(?) near an osage orange log in area of an old overgrown farm in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 27, 2020
 Flowers of cowpen daisy (golden crownbeard, Verbesina encelioides) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 7, 2008
 Back lit flowers of balloon vine (Cardiospermum halicacabum) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2012
 Green flowers with pollen of giant ragweed (Ambrosia trifida) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2012
 Close-up of tan pinkgill mushrooms (Rhodocybe gemina, Clitopilus geminus)(?) near an osage orange log in area of an old overgrown farm in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 27, 2020
 Orange butterfly in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 27, 2012
 Orange butterfly in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 9, 2012
 Pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 28, 2010
 Crane fly in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 19, 2010.
 Lichens on a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2010
 Blooming poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 1, 2010
 Bark texture of osage orange in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 24, 2011
 Orange teeth corticioid fungus on an oak log in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Old osage orange tree near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 24, 2021
 Bark of osage orange near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
 Orange Mexican hat flower (Ratibida columnifera) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 17, 2014
 Horse apple (osage orange) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 1, 2012
 Flowers of Texas signalgrass (Urochloa texana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2020
 Powderpuff (Mimosa strigillosa) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 23, 2010
 Buttercup (Ranunculus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 19, 2010.
 Beebalm (Monarda punctata) in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2010
 Indian paintbrush in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 26, 2010.
 Phaon(?) Crescent butterfly in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 29, 2010
 Spiderwort (tradescantia) in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 19, 2010.
 Head of a grasshopper in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 9, 2010
 Beebalm (Monarda punctata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2010
 Tree bark texture in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2010
 Small caterpillars in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 12, 2010
 Reflections in a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 28, 2010
 Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 28, 2010
 Blooming plum(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 19, 2010.
 Lichens covering a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2010
 Horse apples (osage orange) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 17, 2012
 Roots of Horse apple (osage orange) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 16, 2011
 Orange Caloplaca lichen on a sandstone rock in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 21, 2020
 Horse apple (osage orange) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 16, 2008
 Wet roots of Horse apple (osage orange) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 16, 2011
 Horse apple (osage orange) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2012
 Rotting horse apple (osage orange) in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 20, 2012
 Details of bark of osage orange near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
 Twisted bark of osage orange near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
 Bark of Horse apple (osage orange) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 16, 2011
 Venus looking glass (Triodanis perfoliata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 1, 2010
 Butterfly in dew (ventral view) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 21, 2010
 Small caterpillars on a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 12, 2010
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