 Balloon Vine (Cardiospermum halicacabum) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2020
 Freeze on balloon vine (Cardiospermum halicacabum) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 17, 2012
 Shoot of balloon vine (Cardiospermum halicacabum) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2020
 Balloon Vine (Cardiospermum halicacabum) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 23, 2012
 Flowers of balloon vine (Cardiospermum halicacabum) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2012
 Back lit flowers of balloon vine (Cardiospermum halicacabum) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2012
 Area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 2020
 Giant reed (Arundo donax) in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 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
 Balloon vine (Cardiospermum halicacabum) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 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
 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
 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
 Fruits of balloon vine (Cardiospermum halicacabum) in area of dried marshes at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 6, 2019
 Caps of Pleurotaceae or may be Entoloma mushrooms on a vine of mustang grape in area of Old Washington Town Site in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 7, 2021
 Weeds in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 2020
 Fruits of balloon vine (Cardiospermum halicacabum) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 28, 2024
 Goldenrod (Solidago) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 2020
 Shoot of Amaranth in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 15, 2020
 Creeping lovegrass (Eragrostis reptans) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 2020
 Blooming creeping lovegrass (Eragrostis reptans) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 2020
 Blooming rattlebush (Sesbania drummondii) in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 15, 2020
 Blooming johnsongrass (Sorghum halepense) in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 15, 2020
 Small blue aster flowers in a former pond area in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 2, 2018
 Female inflorescence of creeping lovegrass (Eragrostis reptans) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 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
 Fruit of balloon vine (Cardiospermum halicacabum) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 6, 2019
 Rattan vine around a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 28, 2010
 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
 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
 Fragrant cudweed (sweet everlasting, Pseudognaphalium obtusifolium) in a former pond area in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 2, 2018
 Side view of a female inflorescence of creeping lovegrass (Eragrostis reptans) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 2020
 Red berries of Carolina moonseed vine (Cocculus carolinus, snailseed vine, coralbeads, redberry) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 28, 2008
 Ripe berries of Carolina moonseed vine (Cocculus carolinus, snailseed vine, coralbeads, redberry) in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 18, 2008
 Creeping lovegrass (Eragrostis reptans, Neeragrostis reptans) in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 15, 2020
 Pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 25, 2012
 A pond from a dam in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 13, 2009
 Pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 28, 2010
 Dry vegetation near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 25, 2020
 Trail behind a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 25, 2020
 Spider web near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2012
 Some dry plants near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2012
 Reflections in a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 28, 2010
 Pond with mist in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2012
 Forest near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 13, 2009
 A pond at morning in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 13, 2009
 A pond at sunrise in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 13, 2009
 Foggy pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 13, 2009
 Pond shores in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2012
 Shore of a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 25, 2012
 A pond from a dam at sunrise in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 13, 2009
 Dry leaf near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 13, 2009
 Amaranth plant in a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 18, 2020
 Amaranth flowers near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2020
 Some leafy shoot near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 4, 2020
 Shoot of amaranth near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2020
 Cloud reflections in a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 28, 2010
 Accumulation of water in a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 19, 2011
 Rattlebush (Sesbania drummondii) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2020
 Smartweed (Persicaria, Polygonum) in a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 18, 2020
 Freeze on bluebonnet (Lupinus) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 17, 2012
 Giant reed (Arundo donax) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 18, 2020
 Flowers of smartweed (Persicaria, Polygonum) 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, September 5, 2020
 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
 Blooming smartweed (Persicaria, Polygonum) in a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 18, 2020
 View in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 30, 2022
 Some grass in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Horse apple (osage orange) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2012
 Horse apple (osage orange) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 16, 2008
 Horse apples (osage orange) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 17, 2012
 Freeze on dewberry and marsh grasses near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 17, 2012
 Firedot lichen Caloplaca on limestone outcrop near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 13, 2020
 Flowers of giant reed (Arundo donax) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 27, 2020
 Batterfly on a thistle flower (Cirsium) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2020
 Inflorescence of giant reed (Arundo donax) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2020
 Winged loosestrife (Lythrum alatum) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2020
 Inflorescence of sprawling signalgrass (Urochloa reptans) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 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
 Horse-apple (Osage orange, Maclura) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 2, 2018
 Fruit of osage orange on a picnic table near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 23, 2009
 Freeze on dry fragrant flatsedge (Cyperus odoratus) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 17, 2012
 Emerging inflorescence of giant reed (Arundo donax) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2020
 Inflorescense of Johnson grass (Sorghum halepense) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 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
 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
 Seeds of Johnson grass (Sorghum halepense) 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
 Prickly pears (Opuntia) on exposed limestone rocks near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 18, 2020
 Mexican hat flower (Ratibida columnaris) in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 27, 2021
 Leaves of sow thistle (Sonchus oleraceus) in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 20, 2022
 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
 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
 Roots of vine in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 7, 2008
 Heartleaf nettle (ortiguilla, Urtica chamaedryoides) in a former pond area in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
 Rosette of leaves of sow thistle (Sonchus oleraceus) in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 20, 2022
 Winter rosette of sow thistle (Sonchus oleraceus) in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 30, 2022
|