 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
 Bull nettle (mala mujer, Cnidoscolus texanus) armed with stinging hairs in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 31, 2008
 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
 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 12, 2018
 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, August 10, 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, September 1, 2019
 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
 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, September 15, 2019
 Bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 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, April 13, 2021
 Blooming bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 12, 2018
 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
 Flowers of bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 2023
 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
 Flower of bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Blooming bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 29, 2023
 Bull nettle (Cnidoscolus texanus) in bloom in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 White flower of bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 2023
 White flowers 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, April 13, 2021
 Young plant of bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 White flower of bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 29, 2023
 Bull nettle (Mala mujer, Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2012
 White flowers of bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Bull nettle (Cnidoscolus texanus) on a sandy road in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 20, 2022
 White flowers of 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, July 25, 2014
 Close-up of a flower of bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Bull nettle (mala mujer, Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 1, 2012
 Flowers of Bull nettle (mala mujer, Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2009
 Flower buds of bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2023
 Flower buds of bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 White flowers of bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 27, 2021
 White flowers of bull nettle (Cnidoscolus texanus) 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
 Bull nettle (mala mujer, Cnidoscolus texanus) flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 31, 2008
 Bull nettle (Cnidoscolus texanus) and pink phlox in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 12, 2018
 Spider on white flowers of bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 29, 2023
 Young folded leaf of bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 Prickly flow buds of bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
 Prickly flower buds of bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 29, 2023
 Prickly flower buds of bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 3, 2021
 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 on a shoot of bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 29, 2023
 Yellowing of leaf tissue (chlorosis) of bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 2, 2022
 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
 Bull nettle (Mala mujer, Cnidoscolus texanus) flower with immature katydid in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 27, 2008
 Bull nettle (mala mujer, Cnidoscolus texanus) flowers in Washington-on-the-Brazos Historic Site. Washington, Texas, March 30, 2008
 Nuts of bull nettle (Cnidoscolus texanus) collected in Washington-on-the-Brazos two days before. College Station, Texas, May 24, 2022
 Close-up of seeds of bull nettle (Cnidoscolus texanus) collected in Washington-on-the-Brazos two days before. College Station, Texas, May 24, 2022
 Firewheel and bull nettle in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2022
 Bull nettle flowers with a caterpillar(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 18, 2008
 Firewheel and bull nettle flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2022
 Engelmann daisy and bull nettle in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2022
 Indian paintbrush and bull nettle in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2022
 Crab spider on a white flower of bull nettle in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 4, 2009
 Alyssum like flower with bull nettle on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
 Green lynx spider on bull nettle (mala mujer) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2008
 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) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 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
 Copper lily (Habranthus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 15, 2009
 Fresh leaves of nettle in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Horse nettle(?) (Solanum) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 3, 2008
 Heartleaf nettle (Urtica chamaedryoides) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 30, 2022
 Shoot of nettle with water drops in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 8, 2021
 Copper lily (Habranthus texanus) on a lawn in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 6, 2009
 Copper lily (Habranthus texanus) with dew on a lawn in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 9, 2008
 Heartleaf nettle (ortiguilla, Urtica chamaedryoides) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
 Basal leaves of bull thistle(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 20, 2022
 Fruit of magnolia in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 30, 2008
 Heartleaf nettle (ortiguilla, Urtica chamaedryoides) in a former pond area in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
 Bull nettle (Cnidoscolus texanus) in Old Baylor Park. Independence, Texas, April 6, 2008
 Blooming heartleaf nettle (ortiguilla, Urtica chamaedryoides) in a former pond area in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
 Leaves of bull thistle (Cirsium horridulum) in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 20, 2022
 Rosette of leaves of bull thistle (Cirsium horridulum) in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 20, 2022
 Frog fruit (Phyla incisa, Lippia) on a lawn in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 2, 2020
 Fruit of osage orange on a picnic table near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 23, 2009
 Bull nettle (Cnidoscolus texanus) on Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2024
 Fruit of green milkweed (Asclepias viridis) with aphids Aphis nerii in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 27, 2021
 Seedling of sow thistle (Sonchus asper) on a mat of frog fruit (Phyla incisa) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 24, 2021
 Texas frog fruit (Phyla incisa, Lippia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 27, 2021
 Texas frog-fruit (Phyla incisa, Lippia, fogfruit) flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 10, 2008
 Flowers of Texas frog fruit (Phyla incisa, Lippia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 5, 2018
 Bull nettle (Cnidoscolus texanus) with flower buds at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, April 4, 2021
 Pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 28, 2010
 Blooming poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 1, 2010
 Crane fly in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 19, 2010.
 Lichens on a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2010
 Texas frog fruit (Phyla incisa, Lippia) and turnsole (Heliotropium procumbens) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 5, 2018
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