 Smartweed (Persicaria, Polygonum) in a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 18, 2020
 Blooming smartweed (Persicaria, Polygonum) in a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 18, 2020
 Flowers of smartweed (Persicaria, Polygonum) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Washington-on-the-Brazos State Historic Site. Washington, Texas, August 29, 2024
 Curlytop smartweed (polygonum lapathifolium) in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 18, 2008
 Smartweed overgrowing dry pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 23, 2011
 Amaranth flowers near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2020
 Flowers of giant reed (Arundo donax) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 27, 2020
 Amaranth plant in a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 18, 2020
 Giant reed (Arundo donax) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 18, 2020
 Female flowers of creeping lovegrass (Eragrostis reptans) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 2020
 Close-up of female flowers of creeping lovegrass (Eragrostis reptans) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 2020
 Details of female flowers of creeping lovegrass (Eragrostis reptans) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 2020
 Flowers of white heath aster (Symphyotrichum ericoides) in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 18, 2020
 Male flowers of creeping lovegrass (Eragrostis reptans, Neeragrostis reptans) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 5, 2019
 Female flowers of creeping lovegrass (Eragrostis reptans, Neeragrostis reptans) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 5, 2019
 Flowers of smartweed (Persicaria, Polygonum) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Nails Creek Unit of Somerville Lake State Park. Texas, September 22, 2024
 Carpet of female flowers of creeping lovegrass (Eragrostis reptans, Neeragrostis reptans) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 5, 2019
 Mexican hat flowers (Ratibida columnifera) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 20, 2018
 Aster flowers on fire ant mound near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 27, 2013
 Yellow flowers of buttercup (Ranunculus) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Flowers of turnsole (Heliotropium indicum) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 27, 2021
 Dry vegetation near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 25, 2020
 Area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 2020
 Trail behind a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 25, 2020
 Dam of a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 24, 2009
 Dry pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 16, 2011
 Pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 24, 2009
 Pond at morning in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 24, 2009
 Forest near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 24, 2009
 A pond in mist in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 25, 2013
 Deers at a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 20, 2012
 Some leafy shoot near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 4, 2020
 Weeds in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 2020
 Shoot of amaranth near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2020
 Flowers of balloon vine (Cardiospermum halicacabum) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2012
 Small blue aster flowers in a former pond area in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 2, 2018
 Fourspike Heliotrope (Heliotropium procumbens) with small flowers near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 20, 2018
 Picnic place near a pond in fog, in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 16, 2011
 Brown butterfly near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 6, 2012
 Rattlebush (Sesbania drummondii) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2020
 Shoot of Amaranth in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 15, 2020
 Goldenrod (Solidago) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 2020
 Back lit flowers of balloon vine (Cardiospermum halicacabum) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2012
 Yellow flowers of aster family with stink bugs near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 12, 2018
 Flowers of lemon beebalm (purple horsemint, Monarda citriodora) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 27, 2012
 Flowers of floating primrose-willow (Ludwigia peploides) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2014
 Turnsole (Heliotropium indicum) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 9, 2010
 Mat of Carolina ponysfoot (Dichondra carolinensis) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 27, 2020
 Sprawling signalgrass (Urochloa reptans) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2020
 Giant reed (Arundo donax) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2020
 Balloon Vine (Cardiospermum halicacabum) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2020
 Firedot lichen Caloplaca on limestone outcrop near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 13, 2020
 Inflorescence of sprawling signalgrass (Urochloa reptans) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2020
 Mexican hat flower (Ratibida columnaris) in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 Winged loosestrife (Lythrum alatum) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2020
 Batterfly on a thistle flower (Cirsium) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2020
 Blooming rattlebush (Sesbania drummondii) in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 15, 2020
 Giant reed (Arundo donax) in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 2020
 Creeping lovegrass (Eragrostis reptans) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 2020
 Balloon vine (Cardiospermum halicacabum) in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 Inflorescence of giant reed (Arundo donax) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2020
 Blooming johnsongrass (Sorghum halepense) in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 15, 2020
 Close-up of giant reed (Arundo donax) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2020
 Blooming creeping lovegrass (Eragrostis reptans) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 2020
 Prickly pears (Opuntia) on exposed limestone rocks near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 18, 2020
 Inflorescense of Johnson grass (Sorghum halepense) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2020
 Emerging inflorescence of giant reed (Arundo donax) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2020
 Flower spike of giant reed (Arundo donax) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 27, 2020
 Blooming Mexican hat flower (Ratibida columnaris) in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 Seeds of Johnson grass (Sorghum halepense) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2020
 Leaves and flowrs of sprawling signalgrass (Urochloa reptans) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2020
 Shoot of balloon vine (Cardiospermum halicacabum) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2020
 Orange Dacrymyces(?) mushrooms on a small dried tree in a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 18, 2020
 Purple alyssum like flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2020
 Phlox flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2020
 Hackberry(?) fruits and remains of insects in animal dropping near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 25, 2013
 Groundsel bush (seepwillow, Baccharis halimifolia) with seeds in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 Orange Dacrymyces(?) mushrooms on bark of a small dried tree in a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 18, 2020
 Rosette of a plant of annual bastard cabbage (Rapistrum rugosum) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2020
 Female inflorescence of creeping lovegrass (Eragrostis reptans) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 2020
 Fresh leaves of annual bastard cabbage (Rapistrum rugosum) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2020
 Aster flowers in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 18, 2008
 Mexican hat flowers (Ratibida columnaris) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
 Flowers of bluebonnet (Lupinus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 13, 2020
 Orange lantana flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 15, 2020
 Blue Ruellia flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 12, 2020
 White flowers of dewberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 13, 2020
 Alyssum like purple flowers and fruits in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2020
 Red flowers of firewheel (Gaillardia pulchella) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
 Flowers of spotted beebalm (Monarda punctata(?)) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2020
 Alyssum like flowers on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
 Flowers of largebracted plantain (Plantago aristata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2020
 Fourleaf allseed (Polycarpon tetraphyllum) with flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2020
 Flowers of rattlebush (Sesbania drummondii) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 15, 2020
 Blue flowers of spiderwort (Tradescantia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 13, 2020
 Yellow flowers of prickly pears (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
 Orange Dacrymyces(?) mushrooms on barkless section of a small dried tree in a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 18, 2020
 Fluffy seeds of groundsel bush (seepwillow, Baccharis halimifolia) in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 Small White Morning Glory (Pitted Morningglory, Ipomoea lacunosa) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 27, 2020
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