 Large water drops (guttation) on some resupinate polypore mushroom on underside of an oak log in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 6, 2021
 Young leaves of bluebonnet (Lupinus) with water drops on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 24, 2021
 Winter rosette of white prickly poppy (Argemone albiflora) with water drops in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Water drops on young leaf greenbrier (smilax) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 24, 2009
 Prickly flower buds on a shoot of bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 29, 2023
 Leaves with water drops of prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Large shoot of bull nettle (Cnidoscolus texanus) in shade under live oaks in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 29, 2023
 Fresh leaves of nettle in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 27, 2021
 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, April 19, 2021
 Flower of bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Bull nettle (Cnidoscolus texanus) in bloom in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 White flowers of bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 White flowers of bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 White flowers of bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 27, 2021
 Close-up of a flower of bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Prickly flower buds of bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 3, 2021
 Heartleaf nettle (ortiguilla, Urtica chamaedryoides) in a former pond area in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
 Blooming heartleaf nettle (ortiguilla, Urtica chamaedryoides) in a former pond area in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
 Shoot of box elder in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Shoot of cypress elm in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 3, 2021
 Shoot of blackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Shoot of coralberry(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 8, 2021
 Shoot of mustang grape in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 8, 2021
 Shoot of mustang grape in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 31, 2021
 Reddish shoot of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 3, 2021
 Shoot of hackberry with flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Back lit shoot of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 3, 2021
 Shoot of of mustang grape in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Shoot of gum Bumelia (Sideroxylon lanuginosum) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Shoot of winged elm (Ulmus alata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Shoot of poison ivy on a hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Shoot of giant ragweed (Ambrosia trifida) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Shoot of giant ragweed (Ambrosia trifida) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 27, 2021
 Horse nettle(?) (Solanum) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2009
 Leaves of nettle in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Spider on ear-drops vine (Brunnichia ovata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 22, 2022
 Dry leaves on ear-drops vine (Brunnichia ovata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 22, 2022
 Firewheel and bull nettle in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2022
 Horse nettle(?) (Solanum) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 3, 2008
 Bull nettle flowers with a caterpillar(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 18, 2008
 American buckwheat vine (ear-drops, Brunnichia ovata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 22, 2022
 Goldenrod and buckwheat vine (ear-drops, Brunnichia ovata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 22, 2022
 Hydnoid (tooth) corticioid mushroom with water droplets on an oak log in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 6, 2021
 Guttation (water droplets) of hydnoid corticioid mushroom on an oak log in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 6, 2021
 Leaves of Bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2020
 Engelmann daisy and bull nettle in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2022
 Bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 10, 2019
 Firewheel and bull nettle flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2022
 Heartleaf nettle (Urtica chamaedryoides) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 30, 2022
 Fruit 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 17, 2022
 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, March 26, 2024
 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, August 8, 2014
 Bull Nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 15, 2019
 Indian paintbrush and bull nettle in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2022
 Blooming bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 29, 2023
 Heartleaf nettle (ortiguilla, Urtica chamaedryoides) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
 Blooming Bull Nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2012
 Bull nettle (mala mujer, Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2009
 Fruits bull nettle (Cnidoscolus texanus) collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 22, 2022
 Bull nettle (Mala mujer, Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 18, 2008
 Blooming bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 12, 2018
 Flowers of bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 2023
 Close-up of hydnoid (tooth) corticioid mushroom with water droplets on an oak log in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 6, 2021
 Flowers of Bull nettle (mala mujer, Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2009
 White flower of bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 2023
 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 1, 2012
 White flowers of Bull Nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2012
 Flower buds of bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2023
 White flower of bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 29, 2023
 White flowers of bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 29, 2023
 Flower buds of bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 Bull nettle (mala mujer, Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2014
 White flowers of bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 12, 2018
 Bull nettle (Cnidoscolus texanus) on a sandy road in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 20, 2022
 Alyssum like flower with bull nettle on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
 Bull nettle (Mala mujer, Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2012
 Bull nettle (mala mujer, Cnidoscolus texanus) flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 31, 2008
 Young plant of bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 Bull nettle (Cnidoscolus texanus) and pink phlox in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 12, 2018
 Young leaves of bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 2023
 Close-up of guttation (water droplets) of some resupinate polypore mushroom on underside of an oak log in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 6, 2021
 Pattern of guttation (water droplets) of some resupinate polypore mushroom on underside of an oak log in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 6, 2021
 Guttation (exudation of water droplets) of some resupinate polypore mushroom on underside of an oak log in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 6, 2021
 Green lynx spider on bull nettle (mala mujer) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2008
 Young folded leaf of bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 Spider on white flowers of bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 29, 2023
 Prickly flow buds of bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
 Fruit of Bull nettle (Cnidoscolus texanus) armed with stinging hairs in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2010
 Chlorosis (yellowing of leaves) of bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 20, 2022
 Prickly flower buds of bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 29, 2023
 Green lynx spider on bull nettle near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2008
 Bull nettle (mala mujer, Cnidoscolus texanus) armed with stinging hairs in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 31, 2008
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