 Yellow woodsorrel (Oxalis stricta) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Yellow woodsorrel (Oxalis stricta) on a sandy path in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Yellow woodsorrel (Oxalis stricta) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 9, 2019
 Yellow flowers of Engelmann s daisy (Engelmannia peristenia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Yellow flowers of Linum berlandieri (stiff-stem Flax) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Yellow flowers of Linum berlandieri (stiff-stem Flax) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Spiderwort (Tradescantia) and yellow wood sorrel (oxalis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2022
 Yellow flowers of aster family in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 4, 2022
 Yellow flowers of Prickly pear cactus (Opuntia) in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2012
 Yellow flowers of aster family with stink bugs near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 12, 2018
 White and yellow flowers of Japanese honeysuckle (Lonicera japonica) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 12, 2018
 Yellow flower of Engelmann s daisy (Engelmannia peristenia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Flowers of bluebonnet (Lupinus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 3, 2021
 Yellow and white flower of Indian paintbrush (Castilleja indivisa) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Flowers of prairie verbena (Glandularia bipinnatifida) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 3, 2021
 Flowers of Canada garlic (Allium canadense) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Flowers of woolly-white (Hymenopappus artemisiaefolius) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Flowers of perennial ryegrass (Lolium perenne) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Clusters of flowers of woolly-white (Hymenopappus artemisiaefolius) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Flowers of showy evening primrose (Oenothera speciosa) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Details of flowers of woolly-white (Hymenopappus artemisiaefolius) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Thorny flowers of musk thistle (Carduus nutans) 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
 Close-up of flowers of Linum berlandieri (stiff-stem Flax) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 A field of yellow flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 2, 2007
 Ferry Road with yellow flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 17, 2014
 Flowers of green milkweed (Asclepias viridis) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Flowers of prairie verbena (Glandularia bipinnatifida) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Green flowers of milkweed Asclepias viridis on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Yellow flowers of prickly pears (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
 Flowers of green milkweed (Asclepias viridis) in a field on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Cluster of green flowers of milkweed Asclepias viridis on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Masses of flowers of green milkweed Asclepias viridis on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Close-up of flowers of green milkweed (Asclepias viridis) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Yellow and blue flowers of Krigia and Tradescantia in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2022
 Yellow pea like flowers of rattlebush (Sesbania drummondii) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 15, 2009
 Yellow flowers of buttercup (Ranunculus) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Cluster of flowers of green milkweed (Asclepias viridis) in a field on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Opening flowers of green milkweed (Asclepias viridis) in a field on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Small yellow flowers of a plant of tansy mustard (Descurainia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2022
 Prickly peas cactus (Opuntia) with yellow Senecio(?) flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 25, 2018
 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
 Flowers of red buckeye (Southern buckeye, Aesculus pavia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 3, 2021
 Violet wood sorrel (shamrock, Oxalis violacea?) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 21, 2008
 Back lit flowers of red buckeye (Southern buckeye, Aesculus pavia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 3, 2021
 Discolored yellow leaves of some plant on a lawn in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 2021
 Yellow and red Indian paintbrush (Castilleja indivisa) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Yellow and pink Indian paintbrush in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
 Yellow lemon paintbrush flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2008
 Violet Wood Sorrel (Oxalis violacea) in dew blooming at fall without leaves in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 20, 2013
 Flowers of dewberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Flowers of dewberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 2021
 Redbud flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 2021
 Yellow Indian paintbrush (Castilleja indivisa) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
 Yellow and red Indian paintbrush (Castilleja indivisa) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 4, 2022
 Shoot of hackberry with flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Flowers of bluebonnet (Lupinus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 2021
 Red phlox flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2023
 Phlox flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 12, 2018
 Phlox flowers in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2023
 Yellow flower of false dandelion (Pyrrhopappus carolinianus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 12, 2018
 Yellow flower of Engelmann s daisy (Engelmannia peristenia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 12, 2018
 Yellow flower of Engelmann s daisy (Engelmannia peristenia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2012
 Blue flowers of spiderwort (Tradescantia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 2021
 Blue spiderwort (Tradescantia) flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 2021
 Back lit phlox flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2023
 Flowers of Chinese privet in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2012
 Flowers of Chinese privet in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2012
 White phlox flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
 Pink phlox flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2022
 White phlox flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 21, 2018
 Fleabane daisy(?) flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2008
 Pink phlox flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 12, 2018
 Pink phlox flowers in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2023
 Pink phlox flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 4, 2022
 Bluebonnet flowers in morning dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
 Bluebonnet (Lupinus) flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 4, 2022
 Yellow Linum berlandieri (stiff-stem Flax) flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 27, 2008
 Masses of redbud flowers on a tree branch in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 2021
 Snow-on-the-prairie (Euphorbia bicolor) with flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 27, 2021
 Flowers of turnsole (Heliotropium indicum) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 27, 2021
 Flowers of Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 8, 2021
 Claster of blue flowers of spiderwort (Tradescantia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 2021
 Snow-on-the-prairie (Euphorbia bicolor) with flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 31, 2021
 Flowers of violet ruella (Ruellia nudiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 31, 2021
 Flowers of Indian paintbrush (Castilleja indivisa) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 2021
 Flowers of toad flax (Linaria texana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 White flowers of buttonweed (Diodea virginiana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 27, 2021
 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
 Umbrella of Prairie parsley flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2012
 Firewheel and bull nettle flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2022
 Bluebonnet flowers in Washington-on-the-Brazos State Historic Site, near Loop Trail. Washington, Texas, April 5, 2008
 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
 Pink flowers of redbud tree (Cercis canadensis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 2021
 White flowers of bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 27, 2021
 Leaves and flowers of Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 8, 2021
 Flowers of green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
 Flowers of curly dock (Rumex crispus)(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2008
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