 Brazos River from Robinson s Ferry Overlook in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 24, 2011
 Brazos River from Robinson s Ferry Overlook in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 16, 2011
 Four O clock flower (Mirabilis) at Robinson s Ferry Overlook in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 16, 2011
 Back lit Four O clock flower (Mirabilis) at Robinson s Ferry Overlook in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 16, 2011
 Brazos River from Robinson s Ferry Overlook in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 8, 2012
 Robinson s Ferry Overlook in fog in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 20, 2013
 Four O clock seeds (Mirabilis) at Robinson s Ferry Overlook in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 18, 2020
 Four O clock flowers (Mirabilis) at Robinson s Ferry Overlook in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 8, 2013
 Four O clock (Mirabilis) with seeds at Robinson s Ferry Overlook in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 18, 2020
 Close up of Four O clock flower (Mirabilis) at Robinson s Ferry Overlook in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 8, 2013
 Site of Robinson Ferry in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 27, 2013
 Dune stinkhorn mushrooms (Phallus hadriani) on Robinson Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 27, 2013
 Big sheath mushrooms (Volvopluteus gloiocephalus) on a lawn near Robinson Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Dissected big sheath mushrooms (Volvopluteus gloiocephalus) on a lawn near Robinson Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Close up of a cap of dune stinkhorn mushroom (Phallus hadriani) on Robinson Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 27, 2013
 Star eathball mushrooms (Scleroderma polyrhizum) on a lawn near Robinson Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Close up of a dune stinkhorn mushroom (Phallus hadriani) on Robinson Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 27, 2013
 Hygroscopic earthstar mushrooms (Astraeus hygrometricus) on a lawn near Robinson Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Sand stinkhorn mushroom (Phallus hadriani) on a grassy lawn on Robinson Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Mature star eathball mushrooms (Scleroderma polyrhizum) on a lawn near Robinson Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Dissected star eathball mushrooms (Scleroderma polyrhizum) on a lawn near Robinson Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Dune stinkhorn mushroom (Phallus hadriani) on a grassy lawn on Robinson Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Close up of dune stinkhorn mushroom (Phallus hadriani) on a grassy lawn on Robinson Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Group of mature hygroscopic earthstar mushrooms (Astraeus hygrometricus) on a lawn near Robinson Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Mature opened hygroscopic earthstar mushrooms (Astraeus hygrometricus) on a lawn near Robinson Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Split mature star eathball mushrooms (Scleroderma polyrhizum) on a lawn near Robinson Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Big rat snake on Robinson Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2014
 Crab spider on a thistle Robinson Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2014
 Small matweed (Guilleminea densa, Amaranthaceae) on Robinson Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2014
 Green fruits of Chinese jujube (Ziziphus jujuba) near Robinson Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 2, 2022
 Bluebonnet seedling with star eathball mushroom (Scleroderma polyrhizum) on a lawn near Robinson Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 5, 2020
 Dense stand of small trees of Chinese jujube (Ziziphus jujuba) near Robinson Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 2, 2022
 Ferry Road in fog in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 8, 2012
 Prickly pear pad in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
 Ferry Road in fog in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 20, 2013
 Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 28, 2010
 Sky over Washington-on-the-Brazos State Historic Site, view from Ferry Street. Washington, Texas, May 3, 2008
 Tree base near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
 Bluebonnet seedling near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
 Prickly pear (Opuntia) pad in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
 Detail of a dead tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
 Slope of Ferry Road in fog in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 20, 2013
 Ferry Road with yellow flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 17, 2014
 Old Ferry Road in mist in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2009
 Bark of hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
 Bark texture of osage orange in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 24, 2011
 Bark of osage orange near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
 Bark of dry hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
 Pigeon-berry (Rivina humilis, rouge-plant, baby peppers) near a ferry site in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 5, 2018
 Field of wildflowers near Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 4, 2022
 Twisted bark of osage orange near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
 Warts on bark of hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
 Detail of trunk of dry hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
 Detail of bark of dry hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
 Bark of dead hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
 Decomposing bark of dry hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
 Details of bark of osage orange near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
 Pigeon-berry (Rivina humilis, rouge-plant, baby peppers) collected near a ferry site in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 5, 2018
 Catkins and young leaves of oak near Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 4, 2022
 Grasshopper on a stalk of grass near Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 4, 2009
 Blackened trunk of dead hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
 Berries of hackberry (Celtis laevigata) in animal droppings in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
 Detail of bark of dead hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
 Some winter rosette of leaves on sand of Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 8, 2021
 Some rosette of basal leaves on sand of Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 8, 2021
 Small matweed (Guilleminea densa) on Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 9, 2023
 Dried fallen leaves of magnolia near Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 22, 2022
 Fourleaf allseed (Polycarpon tetraphyllum) on sand of Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2020
 Puncturevine (Caltrop, Tribulus terrestris) on Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 28, 2014
 Dried leaves of black cherry on Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 22, 2022
 Khakiweed (Alternanthera caracasana) on sand of Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 12, 2020
 Small blue dayflower (Commelina) on Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 16, 2019
 Mat of some plant with tiny leaves on gravel of Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Prostrate spurge (Euphorbia) on sand of Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 12, 2020
 Winter rosette of plantain(?) on gravel of Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Green nuts on a pecan tree near Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 31, 2021
 Small matweed (Guilleminea densa) on Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2014
 Hairy leaves of plantain(?) on gravel of Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Common sandbur (Cenchrus spinifex) near Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 31, 2021
 Small matweed (Guilleminea densa) on sand of Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 9, 2023
 Green grasshopper on Amaranthus albus(?) near a gate at Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 4, 2020
 Spotted beebalm (Monarda punctata) near a gate at Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 4, 2020
 Red wisker clammyweed (Polanisia dodecandra) near a gate at Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 4, 2020
 Fourleaf allseed (Polycarpon tetraphyllum) on sand of Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 8, 2021
 Mat of some plant with small hairy leaves on gravel of Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Winter rosette of smooth cat s-ear (Hypochaeris glabra)(?) on Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Emerging green fruits on a pecan tree near Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 31, 2021
 Small matweed (Guilleminea densa, Amaranthaceae) on Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 2, 2022
 Some small rosette of basal leaves on sand of Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 8, 2021
 Blue flowers of spiderwort (Tradescantia) on a lawn near Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 18, 2020
 Small matweed (Guilleminea densa, Amaranthaceae) on Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 28, 2014
 Spring pinkgill mushrooms (Entoloma vernum ) on a lawn near Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 18, 2020
 Shoot of Chinese jujube (Ziziphus jujuba) on a lawn at Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2022
 Green lynx spider eating a hornet wasp on Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 4, 2009
 Elegant stinkhorn mushroom (Mutinus elegans) on a lawn near Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 18, 2020
 Star eathball mushrooms (Scleroderma polyrhizum) on a lawn near Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 18, 2020
 Blooming small matweed (Guilleminea densa, Amaranthaceae) on Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 28, 2014
 Seedling of crane s bill (Geranium carolinianum) on gravel of Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Winter rosette of smooth cat s-ear (Hypochaeris glabra)(?) on gravel of Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
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