 Puncturevine (Caltrop, Tribulus terrestris) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 1, 2012
 Puncturevine (Caltrop, Tribulus terrestris) with a yellow flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 1, 2012
 Puncturevine (Caltrop, Tribulus terrestris) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 7, 2010
 Puncturevine (Caltrop, Tribulus terrestris) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 10, 2019
 Puncturevine (Caltrop, Tribulus terrestris) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2019
 Flower of puncturevine (Caltrop, Tribulus terrestris) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 29, 2010
 Caltrop flower (puncturevine, Tribulus terrestris) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2012
 Puncturevine (Caltrop, Tribulus terrestris) on Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 28, 2014
 Puncturevine (Caltrop, Tribulus terrestris, Tribulus lanuginosus, local name hasak) in sand on roadside in southern Qatar, February 11, 2014
 Flower of puncturevine (Caltrop, Tribulus terrestris, Tribulus lanuginosus, local name hasak) on a roadside in southern Qatar, February 11, 2014
 Blooming puncturevine (Caltrop, Tribulus terrestris, Tribulus lanuginosus, local name hasak) on a roadside in southern Qatar, February 11, 2014
 Yellow flowers of puncturevine (Caltrop, Tribulus terrestris, Tribulus lanuginosus, local name hasak) on a roadside in southern Qatar, February 11, 2014
 Flower of puncturevine (Caltrop, Tribulus terrestris, Tribulus lanuginosus, local name hasak) in sand near a road to Saudi Arabia in southern Qatar, February 11, 2014
 Puncturevine (caltrop, Tribulus terrestris) on a sidewalk of Al Diwan Street. Doha, Qatar, March 28, 2014
 Puncturevine (Caltrop, Tribulus terrestris, local name hasak) taken from Al Luqta area. Doha, Qatar, March 13, 2015
 Small yellow flower of puncturevine (Caltrop, Tribulus terrestris) in Old Baylor Park. Independence, Texas, September 6, 2009
 Puncturevine (Caltrop, Tribulus terrestris) on roadside of Salwa Road, south-west from Doha. Qatar, April 23, 2014
 Puncturevine (Caltrop, Tribulus terrestris) in a silty depression on roadside of a road to Zubara, area of Al Magdah farms. Northern Qatar, October 24, 2015
 Puncturevine (Caltrop, Tribulus terrestris) on a path in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, August 1, 2014
 Close up of Puncturevine (Caltrop, Tribulus terrestris) on a path in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, August 1, 2014
 Fruit of Puncturevine (Caltrop, Tribulus terrestris) on a path in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, August 1, 2014
 Sunflower petals near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 27, 2013
 Rain lily (Cooperia drummondii) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 27, 2013
 Violet ruella (Ruellia nudiflora) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 27, 2013
 Violet flower of Ruellia nudiflora near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 27, 2013
 Back lit violet ruella (Ruellia nudiflora) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 27, 2013
 Some Agaricus mushroom in area of Old Washington Town Site in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 7, 2021
 Dissected Agaricus mushroom in area of Old Washington Town Site in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 7, 2021
 Ground skink (Scincella lateralis) lizard on a sandy road in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 27, 2013
 Caps of chanterelle mushrooms Cantharellus quercophilus in area of Old Washington Town Site in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 7, 2021
 Underside of a chanterelle mushroom Cantharellus quercophilus in area of Old Washington Town Site in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 7, 2021
 Young chanterelle mushrooms Cantharellus quercophilus in area of Old Washington Town Site in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 7, 2021
 Veined underside of chanterelle mushrooms Cantharellus quercophilus in area of Old Washington Town Site in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 7, 2021
 Mature chanterelle mushrooms Cantharellus quercophilus among dry oak leaves in area of Old Washington Town Site in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 7, 2021
 Underside texture of a chanterelle mushroom Cantharellus quercophilus in area of Old Washington Town Site in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 7, 2021
 Cross section of chanterelle mushrooms Cantharellus quercophilus in area of Old Washington Town Site in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 7, 2021
 Chanterelle mushrooms Cantharellus quercophilus among dry leaves under small elm and oak trees in area of Old Washington Town Site in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 7, 2021
 Masses of chanterelle mushrooms Cantharellus quercophilus under small elm and oak trees in area of Old Washington Town Site in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 7, 2021
 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
 Chanterelle mushrooms Cantharellus quercophilus with cross section under small elm and oak trees in area of Old Washington Town Site in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 7, 2021
 Side view of chanterelle mushrooms Cantharellus quercophilus among dry leaves under small elm and oak trees in area of Old Washington Town Site in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 7, 2021
 Leaf footed bug on a leaf in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 27, 2013
 Site of Robinson Ferry in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 27, 2013
 Mushrooms Clitocella fallax (Rhodocybe fallax) under small elm and oak trees in area of Old Washington Town Site in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 7, 2021
 Gills of a mushroom Clitocella fallax (Rhodocybe fallax) under small elm and oak trees in area of Old Washington Town Site in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 7, 2021
 Mature mushrooms Clitocella fallax (Rhodocybe fallax) under small elm and oak trees in area of Old Washington Town Site in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 7, 2021
 Chanterelle mushrooms Cantharellus quercophilus in overgrown area with small cedar elm, juniper, live oak, among dry leaves in area of Old Washington Town Site in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 7, 2021
 A pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 20, 2013
 Pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 15, 2013
 Some grass in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 20, 2013
 Oak alley in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 20, 2013
 Dry reeds near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 20, 2013
 Ferry Road in fog in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 20, 2013
 Old water cistern in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 20, 2013
 Partially dry pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 20, 2013
 A pond in mist in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 25, 2013
 Independence Hall in fog in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 20, 2013
 Amaranth like plant in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 8, 2013
 Slender vervain (verbena) in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 20, 2013
 Dry grass on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 20, 2013
 Bluebonnet seedling near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 20, 2013
 Winter rosette of brassica in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 27, 2013
 Bluebonnet rosette near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 20, 2013
 Slope of Ferry Road in fog in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 20, 2013
 Robinson s Ferry Overlook in fog in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 20, 2013
 Puffball mushroom (Calvatia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 25, 2013
 Sow thistle seedling near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 20, 2013
 Green milkweed (Asclepias viridis) in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 20, 2013
 Winter rosette of sow thistle near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 27, 2013
 Mature puffball mushroom (Calvatia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 8, 2013
 Dry maple leaf on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 27, 2013
 Green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 25, 2013
 Dry leaves of hackberry (Celtis laevigata) on roadside in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 6, 2013
 Amanita rhopalopus(?) mushroom on near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 6, 2013
 White polypore mushroom Amylosporus campbellii(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 6, 2013
 Rosette of sow thistle (Sonchus oleraceus) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 20, 2013
 Amanita rhopalopus(?) mushrooms near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 6, 2013
 Dead Man s Fingers (Xylaria polymorpha) mushroom in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 20, 2013
 Small Gymnopus(?) mushrooms in grass on prairie in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 8, 2013
 Winter rosette of sow thistle (Sonchus) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 27, 2013
 Aster flowers on fire ant mound near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 27, 2013
 Small winter rosette of sow thistle near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 27, 2013
 Winter rosette with silverly leaves near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 27, 2013
 Magnolia Cone Mushroom (Strobilurus conigenoides) in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 8, 2013
 Prairie in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 2, 2022
 Various vines in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 22, 2022
 Butterfly in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 19, 2009
 Butterfly near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2014
 Sagittaria like plant in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2014
 Milkweed seeds in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 10, 2011
 Sandburs spikelet in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 1, 2012
 Some back lit leaf in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 1, 2012
 Grasshopper on rugweed in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 1, 2012
 Ruellia nudiflora in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 4, 2020
 Close up of a butterfly in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 19, 2009
 Sunflower (Helianthus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 27, 2019
 Dry leaves of hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 10, 2011
 Bluebonnets at Old Washington Town Site Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2009
 Poison ivy near Old Washington Town Site Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2009
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