 Close-up of scaly stippled lichen (Endocarpon pusillum) on a thin layer of soil over exposed limestone rocks overgrown by prickly pears near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 18, 2020
 Scaly stippled lichen (Endocarpon pusillum) on a thin layer of soil over exposed limestone rocks overgrown by prickly pears near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Dark crust of scaly stippled lichen (Endocarpon pusillum) on a thin layer of soil over exposed limestone rocks overgrown by prickly pears in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Scaly stippled lichen (Endocarpon pusillum) on a thin layer of soil over exposed sandstone rocks in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2020
 Dried scaly stippled lichen (Endocarpon pusillum) with moss on sandstone rocks in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 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
 Caloplaca and a lichen Endocarpon pusillum on a sandstone rock in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 21, 2020
 Caloplaca together with a black lichen Endocarpon pusillum on a sandstone rock in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 21, 2020
 Sandstone rock with Caloplaca and Endocarpon pusillum lichens in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 21, 2020
 Pad of prickly pears in a forest in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
 Yellow flowers of prickly pears (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
 Dry pad skeleton of prickly pears cactus (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 13, 2020
 Skeleton of a dry pad of prickly pears cactus (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2020
 Firedot lichen Caloplaca on limestone outcrop near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 13, 2020
 Prickly pears in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 16, 2011
 Overgrown corner of a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 11, 2014
 Blooming prickly pears cactus (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 30, 2011
 Slender orange bush lichen (Teloschistes exilis) on a thin oak branch in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Overgrown pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 20, 2018
 Overgrown edge of prairie in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2020
 Scaly brown Agaricus mushrooms in a forest in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2020
 Dissected scaly brown Agaricus mushrooms in a forest in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2020
 Medallion lichen (Dirinaria confusa) on Liberty Oak in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 18, 2020
 Bushes overgrown by mustang grape (Vitis mustangensis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2020
 Flower of prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 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
 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
 White prickly poppy flower on field near Old Washington Town Site Loop Trail of Washington-on-the-Brazos State Historic Site. Washington, Texas, June 2, 2007
 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
 Young flowery blewit mushrooms (Lepista irina)(?) in area of an old overgrown farm in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 27, 2020
 Flowery blewit mushrooms (Lepista irina)(?) among oak leaves in area of an old overgrown farm in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 27, 2020
 Masses of flowery blewit mushrooms (Lepista irina)(?) among oak leaves in area of an old overgrown farm in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 27, 2020
 Flowery blewit mushrooms (Lepista irina)(?) near an osage orange log in area of an old overgrown farm in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 27, 2020
 Close-up of flowery blewit mushrooms (Lepista irina)(?) near an osage orange log in area of an old overgrown farm in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 27, 2020
 Cross section of flowery blewit mushrooms (Lepista irina)(?) among oak leaves in area of an old overgrown farm in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 27, 2020
 Pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 11, 2014
 A pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 20, 2013
 Big oak near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 24, 2021
 Partially dry pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 20, 2013
 Grasses near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 11, 2014
 Dry reeds near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 20, 2013
 Area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 2020
 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
 Live oaks near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 24, 2021
 Bluebonnet rosette near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 20, 2013
 Sow thistle seedling near a pond 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
 Amaranth flowers near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2020
 Weeds in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 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
 Amaranth plant in a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 18, 2020
 Old peace of wood on the bottom of a dry pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
 Old osage orange tree near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 24, 2021
 A pond filling by water after a draught in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
 Dirinaria lichen with apothecia in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Small Dirinaria lichen in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Dirinaria(?) lichen on hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Goldenrod (Solidago) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 2020
 Smartweed (Persicaria, Polygonum) in a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 18, 2020
 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
 Rosette of sow thistle (Sonchus oleraceus) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 20, 2013
 Fringe lichen (Heterodermia) on hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Lichen Lecanora louisianae(?) on bark in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Ruffle lichen Parmotrema submarginale on an oak in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 12, 2019
 Medallion lichen (Dirinaria confusa) on an oak in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 12, 2019
 Fringe lichen (Heterodermia) on a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Prickly poppy in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 17, 2014
 Prickly pear pad in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
 Giant reed (Arundo donax) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 18, 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
 Flowers of smartweed (Persicaria, Polygonum) in a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 18, 2020
 Mat of Carolina ponysfoot (Dichondra carolinensis) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 27, 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
 Rosette of a plant of mustard family near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2020
 Lecanora lichen on hackberry(?) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 24, 2020
 Close up of medallion lichen (Dirinaria confusa) on an oak in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 12, 2019
 Sunken bloodspot lichen (Haematomma persoonii) on an oak in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 12, 2019
 Fringe lichen (Heterodermia) on a small tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Saucer lichen Ochrolechia pallescens on hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Powdery medallion lichen (Dirinaria applanata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Medallion lichen (Dirinaria confusa) on hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Winter rosettes of sow thistle (Sonchus asper) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 24, 2021
 Rosette of leaves of sow thistle (Sonchus asper) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 24, 2021
 Horse apple (osage orange) in a frozen pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 10, 2010
 White prickly poppy in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 9, 2008
 White flower of prickly poppy in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2009
 Prickly pear (Opuntia) pad in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
 White prickly poppy in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2012
 Prickly poppy flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 27, 2008
 White prickly poppy in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 14, 2008
 White prickly poppy in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2008
 Script lichen (Graphis) on bark of hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 Details of Caloplaca lichen on a sandstone rock in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 21, 2020
 Perforated ruffle lichen (Parmotrema perforatum) in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 24, 2020
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