 Heartleaf nettle (ortiguilla, Urtica chamaedryoides) in a former pond area in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
 Blooming Bull Nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2012
 Blooming bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 12, 2018
 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
 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
 Blooming phlox in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2019
 Bull Nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 15, 2019
 Bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2019
 Bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 10, 2019
 Shoot of nettle with water drops in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 8, 2021
 Blooming redbud tree (Cercis canadensis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
 Some blooming plant near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2012
 Blooming smartweed (Persicaria, Polygonum) in a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 18, 2020
 Lemon beebalm (Monarda citriodora) blooming near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 4, 2012
 Blooming rattlebush (Sesbania drummondii) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 30, 2008
 Blooming rattlebush (Sesbania drummondii) on a pond dam in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 15, 2009
 Blooming creeping lovegrass (Eragrostis reptans) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 2020
 Horse nettle(?) (Solanum) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2009
 Bull nettle flowers with a caterpillar(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 18, 2008
 Horse nettle(?) (Solanum) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 3, 2008
 Blooming dayflower (Commelina) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 15, 2019
 Leaves of Bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2020
 Bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 12, 2018
 Bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 8, 2014
 Fruit of Bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2020
 Blooming beebalm (Monarda punctata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 16, 2019
 Buttercup (Ranunculus) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Bull nettle (mala mujer, Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2009
 Bull nettle (Mala mujer, Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 18, 2008
 Corn salad (Valerianella) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Deformed plant in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 10, 2019
 Area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 2020
 Bull nettle (mala mujer, Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 1, 2012
 Bull nettle (mala mujer, Cnidoscolus texanus) flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 31, 2008
 White flowers of Bull Nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2012
 Crab spider on a white flower of bull nettle in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 4, 2009
 Bull nettle (mala mujer, Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2014
 Alyssum like flower with bull nettle on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
 White flowers of bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 12, 2018
 Flowers of Bull nettle (mala mujer, Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2009
 Bull nettle (Cnidoscolus texanus) and pink phlox in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 12, 2018
 Bull nettle (Mala mujer, Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2012
 Blooming plant Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 10, 2019
 Blooming Morning glory (tievine, Ipomoea cordatotriloba) in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 5, 2019
 Blooming sweet acacia (huisache, Vachellia farnesiana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Blooming Baby blue eyes (Nemophila phacelioides) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 27, 2019
 Blooming plants of snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2019
 Yellow flowers of buttercup (Ranunculus) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Coffeeweed (Sesbania herbacea) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 15, 2019
 Some grass in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Green lynx spider on bull nettle near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2008
 Fruit of Bull nettle (Cnidoscolus texanus) armed with stinging hairs in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2010
 Green lynx spider on bull nettle (mala mujer) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2008
 Blooming morning Glory (Purple Bindweed, Ipomoea cordatotriloba) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 10, 2019
 Blooming morning glory (Purple Bindweed, Ipomoea cordatotriloba) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 15, 2019
 Blooming purple gerardia (false foxglove, Agalinis purpurea) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 15, 2019
 Annual bastard cabbage (Rapistrum rugosum) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Prickleseed buttercup flower (Ranunculus muricatus) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 9, 2019
 Climbing hempvine (Mikania scandens) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 15, 2019
 Shoot of Amaranth in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 15, 2020
 Bull nettle (mala mujer, Cnidoscolus texanus) armed with stinging hairs in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 31, 2008
 Early blooming baby blue eyes (Nemophila phacelioides) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 8, 2021
 Bull nettle (Mala mujer, Cnidoscolus texanus) flower with immature katydid in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 27, 2008
 Early blooming black eyed susan flower (Rudbeckia hirta) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 8, 2021
 Mexican hat flower (Ratibida columnaris) in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 Giant reed (Arundo donax) in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 2020
 Balloon vine (Cardiospermum halicacabum) 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
 Flower buds of Bull nettle (mala mujer, Cnidoscolus texanus) armed with stinging hairs in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 1, 2010
 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
 Flower buds of Bull nettle (mala mujer, Cnidoscolus texanus) armed with stinging hairs in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 30, 2011
 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
 Stamens and apocarpous gynoecium of prickleseed buttercup flower (Ranunculus muricatus) in Washington-on-the-Brazos State Historic Site, near a pond. Washington, February 15, 2009
 Large oak with catkins in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
 Phlox flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
 Catkins on a large oak in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
 Pink phlox in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2019
 Milkcap mushrooms Lactarius subserifluus in deep shade under black cherry, old Maclura and oaks near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 6, 2019
 Huisache (Acacia) trees in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
 Winter rosette of a plant in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2019
 View of FM 1155 road from Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
 Spiderwort (tradescantia) on a meadow in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2019
 Blue spiderwort (Tradescantia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
 Medallion lichen Dirinaria confusa on an oak in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2019
 Prickly pear cacti and dry trees in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
 Blue flowers of spiderwort (Tradescantia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
 Small Nolanea mushroom on a meadow in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2019
 Fringe lichen Heterodermia on a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2019
 Prickly pear cacti (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
 Fruticous lichens on a small tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
 Phaeophyscia lichen on a drying bush of huisache in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
 Flower of Indian paintbrush (Castilleja indivisa) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
 Medallion lichen Dirinaria confusa on an old tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2019
 Medallion lichen (Dirinaria confusa) on an oak(?) branch in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2019
 Gills of a small Nolanea mushroom on a meadow in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2019
 Flowers of Indian paintbrush (Castilleja indivisa) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
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