 Stamens and apocarpous gynoecium of prickleseed buttercup flower (Ranunculus muricatus) in Washington-on-the-Brazos State Historic Site, near a pond. Washington, Texas, March 28, 2008
 Prickleseed buttercup flower (Ranunculus muricatus) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 12, 2018
 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
 Prickleseed buttercup flowers (Ranunculus muricatus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
 Buttercup (Ranunculus muricatus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 31, 2009
 Buttercup (Ranunculus) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Yellow flowers of buttercup (Ranunculus) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Buttercup (Ranunculus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 19, 2010.
 Buttercup flower near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 8, 2009
 Seeds of prickleseed buttercup flower (Ranunculus muricatus) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, March 31, 2009
 Prickleseed buttercup flowers (Ranunculus muricatus) on a lawn in Wolf Pen Creek Park. College Station, Texas, March 31, 2021
 Back lit flower of buttercup in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 27, 2012
 Corn salad (Valerianella) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Annual bastard cabbage (Rapistrum rugosum) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Flower of dewberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 9, 2019
 Flower of mallow family near a museum in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 9, 2019
 Pink flower of spiderwort (Tradescantia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 27, 2019
 Flower of Venus looking glass (Triodanis perfoliata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 27, 2019
 Flower of Baby blue eyes (Nemophila phacelioides) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 27, 2019
 Leaves of buttercup(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 8, 2021
 Violet flower of Ruellia nudiflora near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 27, 2013
 Flower of common sunflower (Helianthus annuus) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 19, 2012
 Batterfly on a thistle flower (Cirsium) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2020
 Mexican hat flower (Ratibida columnaris) in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 27, 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
 Deformed plant in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 10, 2019
 Flower spike of giant reed (Arundo donax) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 27, 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
 Dry pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 25, 2018
 Pond in Washington-on-the-Brazos State Historic Site in fog. Washington, Texas, March 22, 2008
 Coffeeweed (Sesbania herbacea) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 15, 2019
 Flower of red buckeye (Southern buckeye, Aesculus pavia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 27, 2019
 Forest near a pond dam in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2009
 Pond at morning in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2009
 Climbing hempvine (Mikania scandens) 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
 Shoot of box elder near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 29, 2023
 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
 Firedot lichen Caloplaca on limestone outcrop near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 13, 2020
 Pink powderpuff flower (Mimosa strigillosa) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 10, 2019
 Flower of Indian paintbrush (Castilleja indivisa) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
 Flower spike of beebalm (Monarda punctata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 16, 2019
 Bluebonnet flower 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
 Back lit flower of Morning Glory (Ipomoea cordatotriloba) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2019
 Flower of Morning glory (tievine, Ipomoea cordatotriloba) in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 5, 2019
 Bluebonnet 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
 Flower bud of a thistle (Cirsium) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 29, 2023
 Flower of bluebonnet (Lupinus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 26, 2024
 Paintbrush flower in morning dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2008
 Shoots of giant mustard (bastard cabbage, Rapistrum rugosum)(?) in a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
 Blooming eastern swamp privet (Forestiera acuminata var. vestita) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
 Blooming giant mustard (bastard cabbage, Rapistrum rugosum) on a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 2023
 Fresh leaves of annual bastard cabbage (Rapistrum rugosum) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2020
 Rosette of a plant of annual bastard cabbage (Rapistrum rugosum) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2020
 Flower buds of mustang grape in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 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
 Pink spiderwort (tradescantia) flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 21, 2009
 Pink flower of spiderwort (Tradescantia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2022
 Close up of flower of Morning glory (tievine, Ipomoea cordatotriloba) in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 5, 2019
 Flower of purple gerardia (false foxglove, Agalinis purpurea) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 15, 2019
 White prickly poppy flower on field near Old Washington Town Site Loop Trail of Washington-on-the-Brazos State Historic Site. Washington, Texas, June 2, 2007
 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
 Young leaves and flower buds of hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 Squaw-weed flower (Senecio ampullaceus) in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2008
 Yellow flower of sow thistle (Sonchus oleraceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2022
 Close-up of a blue flower of spiderwort (Tradescantia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2022
 Stamens of a pink spiderwort (tradescantia) flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 21, 2009
 Hairy stamen filaments of spiderwort flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2008
 Flower buds of red buckeye (Aesculus pavia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
 Close up of a flower of purple gerardia (false foxglove, Agalinis purpurea) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 15, 2019
 Spiderwort (Tradescantia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 9, 2019
 Red phlox flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 27, 2019
 Spiderwort (Tradescantia) 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 17, 2019
 Shoot of cedar elm in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 9, 2019
 Some white five-petals flower on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2020
 White flower of bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 2023
 Flower buds of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2022
 Flower buds of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
 Flower buds of bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 Young leaves and flower buds of thistle (Cirsium) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 Flower buds of Engelmann daisy (Engelmannia pinnatifida) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 29, 2023
 Flower buds of woolly-white (Hymenopappus artemisiaefolius) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2022
 White flower of bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 29, 2023
 Pink flowers of phlox in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Pink phlox flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Pink spiderwort (Tradescantia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 27, 2019
 Pink phlox flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 27, 2019
 Back lit shoot of cedar elm in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 9, 2019
 Flower of morning glory (Purple Bindweed, Ipomoea cordatotriloba) on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 15, 2019
 Spiderwort (tradescantia) flower with bow-tie shaped anthers and the furry filaments in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2008
 Shoot of squaw-weed (Senecio ampullaceus) with flower buds in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
 Prickly flower buds of bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 29, 2023
 Flower buds of groundsel (butterweed, squaw weed, Senecio) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Young leaf of Virginia creeper in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
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