 Field of bluebonnet and paintbrush flowers in Washington-on-the-Brazos Historic Site, near Loop trail. Washington, Texas, March 30, 2008
 Bluebonnet and paintbrush flowers in Washington-on-the-Brazos State Historic Site, near Loop Trail. Washington, Texas, April 5, 2008
 Paintbrush and bluebonnet in morning dew near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
 Field of lupin and paintbrush flowers in Washington-on-the-Brazos Historic Site, near Loop trail. Washington, Texas, March 30, 2008
 Lupin and Indian paintbrush flowers in Washington-on-the-Brazos Historic Site, near Loop trail. Washington, Texas, March 30, 2008
 Bluebonnet flowers in Washington-on-the-Brazos State Historic Site, near Loop Trail. Washington, Texas, March 28, 2008
 Field of bluebonnets and paintbrush flowers at Old Washington Town Site Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2009
 Field of bluebonnets and paintbrush flowers in mist at Old Washington Town Site Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2009
 Bluebonnet flowers in Washington-on-the-Brazos State Historic Site, near Loop Trail. Washington, Texas, April 5, 2008
 Bluebonnet and showy primrose flowers in Washington-on-the-Brazos State Historic Site, near Loop Trail. Washington, Texas, April 5, 2008
 Flowers of Indian paintbrush (Castilleja indivisa) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2020
 Indian paintbrush (Castilleja indivisa) with oval bright-reddish pink flower leaf bracts in Washington-on-the-Brazos State Historic Site, near Loop Trail. Washington, Texas, March 22, 2008
 Indian paintbrush flower in Washington-on-the-Brazos State Historic Site, near Loop Trail. Washington, Texas, April 5, 2008
 Bluebonnet in morning dew near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
 Late flower of Indian paintbrush near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2008
 Morning dew on bluebonnet leaf in Washington-on-the-Brazos State Historic Site, near Loop Trail. Washington, Texas, April 5, 2008
 Bluebonnet flowers in morning dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
 Flowers of Indian paintbrush in dew with cut-off funnel-like red-tipped calyx in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
 Bluebonnet (Lupinus) and Indian paintbrush in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 4, 2022
 Grass and paintbrush in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2008
 Paintbrush flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2008
 Paintbrush flower in morning dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2008
 Indian paintbrush flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2008
 Bluebonnet flower in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2008
 Bluebonnet flower in morning dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2008
 Small bluets (Hedyotis crassifolia) flowers in Washington-on-the-Brazos State Historic Site, on Loop Trail. Washington, Texas, March 28, 2008
 Indian paintbrush (Castilleja indivisa) near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 21, 2009
 Bluebonnets and paintbrush flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 25, 2018
 Closed flowers of Antelope horns milkweed with a hairy seed in Washington-on-the-Brazos Historic Site, near Loop trail. Washington, Texas, March 30, 2008
 Flowers of bluebonnet (Lupinus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 13, 2020
 Bluebonnet and phlox flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 2023
 Flowers of bluebonnet (Lupinus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 2021
 Flowers of Indian paintbrush (Castilleja indivisa) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 2021
 Red flowers of Indian paintbrush (Castilleja indivisa) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2020
 Emerging flowers of bluebonnet (Lupinus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2022
 Bluebonnet (lupinus) and pink phlox flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 2023
 Upper view of Indian paintbrush (Castilleja indivisa) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2020
 Late blooming Indian paintbrush (Castilleja indivisa) with oval bright-reddish pink flower leaf bracts near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2008
 Deformed leaves and flowers of Indian paintbrush (Castilleja indivisa) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 2021
 Indian paintbrush (Castilleja indivisa) with oval bright-reddish pink flower leaf bracts and cut-off funnel-like red-tipped calyx in Washington-on-the-Brazos State Historic Site, near Loop Trail. Washington, Texas, April 5, 2008
 Late blooming Indian paintbrush (Castilleja indivisa) with oval bright-reddish pink flower leaf bracts and cut-off funnel-like red-tipped calyx on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 28, 2008
 Red paintbrush at sunrise in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
 Indian paintbrush in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
 Paintbrush with a spider in morning dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
 Indian paintbrush in morning dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
 Parts of paintbrush flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2008
 Red paintbrush at sunrise with a katydid in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
 Katydid on Indian paintbrush in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
 Lemon Indian paintbrush in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
 Indian paintbrush plants in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
 Bluebonnet in morning dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
 Meadow with bluebonnet in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 5, 2008
 Yellow lemon paintbrush flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2008
 Yellow and pink Indian paintbrush in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
 Young katydid on paintbrush flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2008
 Bluebonnet (Lupinus) near Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 4, 2022
 Opening flowers of Green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site, near Loop Trail. Washington, Texas, April 5, 2008
 Green flowers of Zizotes milkweed (Asclepias oenotheroides) near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2008
 Mexican hat (Ratibida columnaris) cylindrical flowerhead with dark red-purple disk flowers and yellow and brown ray flowers on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 9, 2008
 Bluebonnet (Lupinus) with grass near Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 4, 2022
 Field with bluebonnet (Lupinus) near Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 4, 2022
 Flowers of bluebonnet (Lupinus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 3, 2021
 Bluebonnet (Lupinus) flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 4, 2022
 Young leaves of bluebonnet (Lupinus) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 24, 2021
 Bluebonnet (Lupinus) in a field of grass on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Red flowers of Indian paintbrush (Castilleja indivisa) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
 Flowers of Indian paintbrush (Castilleja indivisa) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
 Spiderwort flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2008
 Field of flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2008
 Squaw-weed flowers in Washington-on-the-Brazos Historic Site. Washington, Texas, March 30, 2008
 Pink phlox flowers in Washington-on-the-Brazos Historic Site. Washington, Texas, March 30, 2008
 Antelope horns milkweed (Asclepias viridis) in Washington-on-the-Brazos Historic Site, near Loop trail. Washington, Texas, March 30, 2008
 Late blooming Indian paintbrush (Castilleja indivisa) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 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
 Indian paintbrush in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 26, 2010.
 Opening flower of Antelope horns milkweed (Asclepias viridis) in Washington-on-the-Brazos Historic Site, near Loop trail. Washington, Texas, March 30, 2008
 Bluebonnet (Lupinus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 Bluebonnet (Lupinus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2022
 Bluebonnet (Lupinus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Bluebonnet (Lupinus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
 Indian paintbrush (Castilleja indivisa) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 2021
 Indian paintbrush (Castilleja indivisa) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Indian paintbrush (Castilleja indivisa) 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 6, 2023
 Bull nettle (mala mujer, Cnidoscolus texanus) flowers in Washington-on-the-Brazos Historic Site. Washington, Texas, March 30, 2008
 Field of bluebonnet (Lupinus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 13, 2020
 Blooming bluebonnet (Lupinus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 13, 2020
 Seedling of bluebonnet (Lupinus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 4, 2021
 Flower of bluebonnet (Lupinus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 26, 2024
 Blooming bluebonnet (Lupinus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 Yellow and red Indian paintbrush (Castilleja indivisa) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Close-up of Indian paintbrush (Castilleja indivisa) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 2021
 Blooming Indian paintbrush (Castilleja indivisa) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 Indian paintbrush (Castilleja indivisa) and bluebonnets in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 21, 2009
 Flower buds of bluebonnet (lupin) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 19, 2010.
 Flower spike of bluebonnet (Lupinus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2022
 Hairy leaves of bluebonnet (Lupinus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
 Flowers of green milkweed (Asclepias viridis) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2020
 Poison ivy near Old Washington Town Site Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2009
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