 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
 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
 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
 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
 Some black and greenish scaly lichen on sandstone rocks in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Close-up of some black and greenish scaly lichen on sandstone rocks in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Orange Caloplaca lichen on a sandstone rock in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 21, 2020
 Details of Caloplaca lichen on a sandstone rock in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 21, 2020
 Pepper-like lichen Sarcogyne regularis(?) on a sandstone rock in prairie in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2020
 Pepper-like lichen Sarcogyne regularis(?) with black cyanobacteria on sandstone in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 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
 Tansy mustard with sandstone rock covered by dark lichen in background in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 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 (Opuntia) on exposed limestone rocks near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 18, 2020
 Weeds in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 2020
 Goldenrod (Solidago) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 2020
 Winged loosestrife (Lythrum alatum) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2020
 Creeping lovegrass (Eragrostis reptans) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 2020
 Batterfly on a thistle flower (Cirsium) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2020
 Seeds of Johnson grass (Sorghum halepense) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2020
 Blooming creeping lovegrass (Eragrostis reptans) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 2020
 Shoot of balloon vine (Cardiospermum halicacabum) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2020
 Inflorescense 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
 Moss and wood sorrel in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 4, 2021
 Female flowers of creeping lovegrass (Eragrostis reptans) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 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
 Female inflorescence 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
 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
 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
 Lecanora lichen on hackberry(?) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 24, 2020
 Perforated ruffle lichen (Parmotrema perforatum) in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 24, 2020
 Script lichen (Graphis) on bark of hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 Medallion lichen (Dirinaria confusa) on Liberty Oak in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 18, 2020
 Lichen Dirinaria confusa(?) on bark of hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 Spores of Agaricus mushroom with a scaly cap collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2022
 Scaly brown Agaricus mushroom in a forest in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2022
 Slender orange bush lichen (Teloschistes exilis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 24, 2020
 Bigpod Sesbania (Sesbania herbacea) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2020
 Spores of Agaricus mushroom with a scaly cap at low magnification, collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2022
 Script lichen Graphis lineola(?) on bark of a hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 Common button lichen (Buellia stillingiana) on hackberry(?) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 24, 2020
 Common Button Lichen (Buellia stillingiana) on bark of hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 Fresh leaves of bigpod Sesbania (Sesbania herbacea) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2020
 White fringe lichen (Heterodermia albicans) on bark of a hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 Zizotes milkweed (Hierba de Zizotes, Asclepias oenotheroides) with oleander aphids in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2020
 Common button lichen (Buellia stillingiana) (black) together with Lecanora on hackberry(?) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 24, 2020
 Dried prairie in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 14, 2011
 Dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 30, 2011
 Dried bottom of a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 9, 2011
 Shoot of elm in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 13, 2020
 Blackened bark of dried tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
 Caked earth of dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 6, 2011
 Trunk of dried hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
 Texture of dried hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
 Deformed plant in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 10, 2019
 Pink phlox in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2020
 Phlox flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2020
 Corn salad (Valerianella) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 13, 2020
 White flowers of dewberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 13, 2020
 Field of bluebonnet (Lupinus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 13, 2020
 Flowers of bluebonnet (Lupinus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 13, 2020
 Red sage (Salvia coccinea(?)) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2020
 Blooming bluebonnet (Lupinus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 13, 2020
 Coffeeweed (Sesbania herbacea) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 15, 2019
 Cracks of caked earth mud of dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 6, 2011
 Stump of dried cedar tree near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 8, 2012
 Weeds grown on bottom of dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 6, 2011
 Bracket polypore mushroom Phellinus badius (Phellinus rimosus group) with moss taken from a large dry osage orange at Washington-on-the-Brazos State Historic Site. Washington, Texas, November 24, 2020
 Japanese honeysuckle (Lonicera japonica) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2020
 Blue flowers of spiderwort (Tradescantia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 13, 2020
 Indian paintbrush (Castilleja indivisa) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 13, 2020
 Eastern poison ivy (Toxicodendron radicans) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 13, 2020
 Thorny winter rosette of a thistle in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2020
 Stemless spiderwort (Tradescantia subacaulis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2020
 Dried leaves of box elder on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 22, 2022
 Dried fallen leaves of magnolia near Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 22, 2022
 Dried leaves of black cherry on Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 22, 2022
 Climbing hempvine (Mikania scandens) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 15, 2019
 Cockleshell mushrooms Lentinellus castoreus on an oak log in red cedar forest Old Washington Town Site Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2020
 Bonfire moss (Funaria hygrometrica) in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 11, 2014
 Seedlings and some moss on sandy soil in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Red flowers of Indian paintbrush (Castilleja indivisa) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2020
 Rush (Juncus) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 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
 Blooming stemless spiderwort (Tradescantia subacaulis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2020
 Blue flowes of spiderwort (Tradescantia) in prairie in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2020
 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
 Wildflowers in mist at Old Washington Town Site Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2009
 Field of wildflowers at Old Washington Town Site Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2009
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