 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
 Balloon vine (Cardiospermum halicacabum) in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 Balloon Vine (Cardiospermum halicacabum) 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
 Freeze on bluebonnet (Lupinus) 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
 Freeze on dry fragrant flatsedge (Cyperus odoratus) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 17, 2012
 Late blooming Indian paintbrush (Castilleja indivisa) with freeze in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 17, 2012
 Late blooming Dakota vervain (Verbena bipinnatifida) with freeze in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 17, 2012
 Pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 25, 2012
 Spider web near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2012
 Pond shores in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2012
 Pond with mist 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
 Shore of a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 25, 2012
 Horse apple (osage orange) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2012
 Horse apples (osage orange) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 17, 2012
 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
 Balloon vine (Cardiospermum halicacabum) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 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
 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
 Pond with fog in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 27, 2012
 Coreopsis near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 19, 2012
 Blue dragonfly near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 19, 2012
 Deers at a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 20, 2012
 Last year rattlebush in a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 27, 2012
 Bluebonnet rosettes near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 8, 2012
 Foggy sunrise over a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 23, 2012
 Orange butterfly near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2012
 Some blooming plant near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2012
 Sunflower and lemon beebalm near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 27, 2012
 Brown butterfly near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 6, 2012
 Turnsole (Heliotropium indicum) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 19, 2012
 Sunflower (Helianthus annuus) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 27, 2012
 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
 Lemon beebalm (Monarda citriodora) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 4, 2012
 Turnsole (Heliotropium indicum) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2012
 Lemon beebalm (Monarda citriodora) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 19, 2012
 Common sunflower (Helianthus annuus) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 8, 2012
 Common sunflower (Helianthus annuus) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 19, 2012
 Powderpuff (Mimosa strigillosa) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2012
 Old peace of wood on the bottom of a dry pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
 Turnsole (Heliotropium indicum) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 25, 2012
 A pond filling by water after a draught in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
 Creeping bluebonnet rosettes near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 8, 2012
 Powderpuff (Mimosa strigillosa) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 25, 2012
 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
 Indian blanket (Gaillardia pulchella, firewheel) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 4, 2012
 Yerba de Tajo (Eclipta prostrata) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2012
 Horse apple (osage orange) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2012
 Lemon beebalm (Monarda citriodora) blooming near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 4, 2012
 Flower of common sunflower (Helianthus annuus) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 19, 2012
 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
 Pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 28, 2010
 A pond from a dam in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 13, 2009
 Close up of horse apple (osage orange) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2012
 Lemon beebalm (purple horsemint, Monarda citriodora) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 27, 2012
 Lemon beebalm (purple horsemint, Monarda citriodora) and a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 27, 2012
 Indian blanket and lemon beebalm (Monarda citriodora) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 4, 2012
 Area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 2020
 A pond from a dam at sunrise 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
 Reflections in a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 28, 2010
 Forest near a pond 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
 A pond 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
 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
 Weeds in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 2020
 Back lit lemon beebalm (purple horsemint, Monarda citriodora) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 27, 2012
 Flowers of lemon beebalm (purple horsemint, Monarda citriodora) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 27, 2012
 Lemon beebalm (purple horsemint, Monarda citriodora) growing near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 27, 2012
 Goldenrod (Solidago) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 2020
 Dry leaves of giant mustard (bastard cabbage, Rapistrum rugosum) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 8, 2012
 Horse apple (osage orange) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 16, 2008
 Mexican hat flower (Ratibida columnaris) in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 Small blue aster flowers in a former pond area in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 2, 2018
 Creeping lovegrass (Eragrostis reptans) in a dried 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
 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
 Spider web in fog in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2012
 Blooming creeping lovegrass (Eragrostis reptans) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 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
 Dry sumpweed (Iva annua) in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 17, 2012
 Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2012
 Gnarl on a dead tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 17, 2012
 Grasshopper on a tree trunk in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 17, 2012
 Female flowers of creeping lovegrass (Eragrostis reptans) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 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
 Fragrant cudweed (sweet everlasting, Pseudognaphalium obtusifolium) 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
 Roots of vine in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 7, 2008
 Close up of a grasshopper on a tree trunk in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 17, 2012
 Bud of mustang grape vine in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 19, 2010.
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