 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
 Dry leaves of giant mustard (bastard cabbage, Rapistrum rugosum) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 8, 2012
 Annual bastard cabbage (Rapistrum rugosum) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 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
 Succulent purple winter rosette of leaves of annual bastard cabbage (Rapistrum rugosum) or may be India mustard (Brassica juncea) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 7, 2024
 Annual bastard cabbage (Rapistrum rugosum) and turnsole (Heliotropium indicum) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 27, 2021
 Winter rosette of annual bastard cabbage (Rapistrum rugosum) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Rosette of leaves of India mustard (Brassica juncea) or may be Rapistrum rugosum in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Basal leaves of India mustard (Brassica juncea) or may be Rapistrum rugosum in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Rosette of leaves of India mustard (Brassica juncea) or may be Rapistrum rugosum in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Curled leaves of giant ragweed (Ambrosia trifida) under 2,4-D Ester(?) herbicide in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 29, 2023
 Distorted growth of giant ragweed (Ambrosia trifida) under 2,4-D Ester(?) herbicide in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 29, 2023
 Blooming giant ragweed (Ambrosia trifida) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2012
 Giant reed (Arundo donax) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 18, 2020
 Giant reed (Arundo donax) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2020
 Close-up of giant reed (Arundo donax) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2020
 Inflorescence of giant reed (Arundo donax) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2020
 Giant reed (Arundo donax) in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 2020
 Flowers of giant reed (Arundo donax) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 27, 2020
 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 bluebonnet (Lupinus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 Shoot of box elder near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 29, 2023
 Emerging inflorescence of giant reed (Arundo donax) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2020
 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 Indian paintbrush (Castilleja indivisa) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 Blooming bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 29, 2023
 Dry plant of giant ragweed (Ambrosia trifida) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 9, 2023
 Tansy mustard (Descurainia pinnata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
 Tansy mustard with sandstone rock covered by dark lichen in background in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Winter rosette of leaves similar to tansy mustard (Descurainia pinnata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Some blooming plant near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2012
 Small yellow flowers of a plant of tansy mustard (Descurainia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2022
 Blooming smartweed (Persicaria, Polygonum) in a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 18, 2020
 Blooming rattlebush (Sesbania drummondii) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 30, 2008
 Lemon beebalm (Monarda citriodora) blooming near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 4, 2012
 Blooming rattlebush (Sesbania drummondii) on a pond dam in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 15, 2009
 Blooming johnsongrass (Sorghum halepense) in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 15, 2020
 Blooming rattlebush (Sesbania drummondii) in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 15, 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
 Blooming creeping lovegrass (Eragrostis reptans) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 2020
 Wilted giant ragweed (Ambrosia trifida) after application of a herbicide in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 21, 2020
 Carolina bristlemallow (Modiola caroliniana) with blister-like pustules of rust fungus Puccinia modiolae in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 Blooming heartleaf nettle (ortiguilla, Urtica chamaedryoides) in a former pond area in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
 Blooming Engelmann s daisy in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2023
 Blooming thistle (Cirsium) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2023
 Giant ragweed (Ambrosia trifida) after application of herbicide that is causing it to wilt and shrivel in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 21, 2020
 Blooming oak tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Blooming plum(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 19, 2010.
 Blooming hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Pond in Washington-on-the-Brazos State Historic Site in fog. Washington, Texas, March 22, 2008
 Dry pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 25, 2018
 Blooming bluebonnet (Lupinus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 13, 2020
 Spiderwort (tradescantia) blooming in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2008
 Blooming sand phlox in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 2021
 Blooming black cherry in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2022
 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
 Section corticioid fungus Scytinostroma portentosum(?) on a pecan log near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Blooming hairy spiderwort (Tradescantia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 2021
 Some grass in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Buttercup (Ranunculus) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Buttercup flower near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 8, 2009
 Spores of corticioid fungus Scytinostroma portentosum(?) from a pecan log near a former pond, collected a day before in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 4, 2023
 Partially dried corticioid fungus Scytinostroma portentosum(?) on a pecan log near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Corn salad (Valerianella) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Giant ragweed in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 9, 2012
 Blooming stemless spiderwort (Tradescantia subacaulis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2020
 Blooming redbud tree (Cercis canadensis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 11, 2018
 Blooming redbud tree (Cercis canadensis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 2021
 Blooming green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Blooming squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2022
 Blooming squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Yellow flowers of buttercup (Ranunculus) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Blooming Baby blue eyes (Nemophila phacelioides) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 27, 2019
 Blooming sweet acacia (huisache, Vachellia farnesiana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Giant ragweed (Ambrosia trifida) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 15, 2019
 Giant ragweed (Ambrosia trifida) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
 Giant reed (Arundo donax) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 22, 2022
 Giant ragweed with curled leaves in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 28, 2022
 Purple Alyssum like flowers of mustard family on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
 Firedot lichen Caloplaca on limestone outcrop near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 13, 2020
 Prickleseed buttercup flower (Ranunculus muricatus) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 9, 2019
 Seedling of giant ragweed (Ambrosia trifida) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 20, 2022
 Shoot of giant ragweed (Ambrosia trifida) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Seeds of giant reed (Arundo donax) in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 2020
 Shoot of giant ragweed (Ambrosia trifida) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 27, 2021
 Blooming baby blue eyes (flannel breeches, Nemophila phacelioides) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 25, 2018
 Blooming green milkweed (Asclepias viridis) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2020
 Flower buds of giant ragweed (Ambrosia trifida) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2020
 Prairie with bluebonnets in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 Shoot of hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 Pink phlox in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 2023
 Pecan shoot 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 6, 2023
 Shoots of elm tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 Wilted giant ragweed (Ambrosia trifida) under 2,4-D Ester(?) herbicide in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 20, 2022
 Green flowers with pollen of giant ragweed (Ambrosia trifida) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2012
 Bulblets of Canada garlic in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 29, 2023
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