 Annual trampweed (Facelis retusa) under oaks on the university golf course on Texas Avenue. College Station, Texas, March 26, 2019
 Trailing plant of annual trampweed (Facelis retusa) taken from the university golf course on Texas Avenue. College Station, Texas, March 26, 2019
 Annual trampweed (Facelis retusa) in Lick Creek Park. College Station, Texas, February 13, 2020
 Annual trampweed (Facelis retusa) on Forest Service Road 231 near North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, March 5, 2022
 Annual bastard cabbage (Rapistrum rugosum) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Houston Meadow-rue (Thalictrum texanum) in dew in Washington Cemetery. Washington, Texas, March 27, 2019
 Houston Meadow-rue (Thalictrum texanum) with field madder near the border in Washington Cemetery. Washington, Texas, March 27, 2019
 Houston Meadow-rue (Thalictrum texanum) with yellow star-grass in Washington Cemetery. Washington, Texas, March 27, 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
 Fruits of Houston Meadow-rue (Thalictrum texanum) in open area left from the gate in Washington Cemetery. Washington, Texas, March 27, 2019
 Houston Meadow-rue (Thalictrum texanum) that looks as maiden hair fern near the bordering bushes in Washington Cemetery. Washington, Texas, March 27, 2019
 Leaf and seeds of Houston Meadow-rue (Thalictrum texanum) in open area left from the gate in Washington Cemetery. Washington, Texas, March 27, 2019
 Male flowers and fruits of Houston Meadow-rue (Thalictrum texanum) in open area left from the gate in Washington Cemetery. Washington, Texas, March 27, 2019
 Leaves, flowers and fruits of Houston Meadow-rue (Thalictrum texanum) in open area left from the gate in Washington Cemetery. Washington, Texas, March 27, 2019
 Annual phlox (Phlox drummondii) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2022
 Close-up of annual phlox (Phlox drummondii) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Field of annual phlox (Phlox drummondii) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Pink flowers of annual phlox (Phlox drummondii) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Female flowers and fruits of Houston Meadow-rue (Thalictrum texanum) with a bluet for comparison in open area left from the gate in Washington Cemetery. Washington, Texas, March 27, 2019
 Crumbling brick tomb in Washington Cemetery. Washington, Texas, December 8, 2019
 Heavy Christmas decorations in Washington Cemetery. Washington, Texas, December 8, 2019
 Overgrown tomb of S. M. S. Aldridge in Washington Cemetery. Washington, Texas, December 8, 2019
 Tombs and oak silhouettes in mist in Washington Cemetery. Washington, Texas, December 8, 2019
 Old brick tomb in Washington Cemetery. Washington, Texas, December 8, 2019
 Various lichens covering statue of Virgin Mary in Washington Cemetery. Washington, Texas, December 8, 2019
 Oak and tombs in fog in Washington Cemetery. Washington, Texas, December 8, 2019
 Old tombstones in Washington Cemetery. Washington, Texas, December 8, 2019
 Oak silhouette in fog in Washington Cemetery. Washington, Texas, December 8, 2019
 Oak and a tuxedo cat in fog in Washington Cemetery. Washington, Texas, December 8, 2019
 Winter rosette of annual bastard cabbage (Rapistrum rugosum) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Some pale green crustose lichen on a marble tomb in Washington Cemetery. Washington, Texas, January 12, 2019
 Stone statue of Virgin Mary with fruticose lichens in Washington Cemetery. Washington, Texas, December 8, 2019
 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
 Golden eye lichen (Teloschistes chrysophthalmus) on a stone chest of Virgin Mary statue in Washington Cemetery. Washington, Texas, December 8, 2019
 Annual phlox (Phlox drummondii) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 3, 2021
 Field of annual phlox (Phlox drummondii) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 3, 2021
 Blooming annual phlox (Phlox drummondii) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 3, 2021
 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
 Flower of dewberry 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
 Spiderwort (Tradescantia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 9, 2019
 Shoot of cedar elm in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 9, 2019
 Bluebonnet (Lupinus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Back lit shoot of cedar elm in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 9, 2019
 Buttercup (Ranunculus) near a former pond 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 27, 2019
 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
 Sticky mouse-ear (Cerastium glomeratum) 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
 Yellow woodsorrel (Oxalis stricta) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 9, 2019
 Mustang grape (Vitis mustangensis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Flower of mallow family near a museum in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 9, 2019
 Young leaf of Virginia creeper in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Eastern poison ivy (Toxicodendron radicans) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 False dandelion (Pyrrhopappus carolinianus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Young leaves on a pecan tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Shoot of hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Corn salad (Valerianella) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Gills of a mushroom Amanita morrisii in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 8, 2019
 Smallflower milkvetch (turkeypeas, Astragalus nuttallianus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Flowers of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 9, 2019
 Planted flowers of mallow family near a museum in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 9, 2019
 Shoot of eastern poison ivy (Toxicodendron radicans) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Flower of Venus looking glass (Triodanis perfoliata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 27, 2019
 Shoots of eastern poison ivy (Toxicodendron radicans) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 27, 2019
 Yellow flowers of buttercup (Ranunculus) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Flower of Baby blue eyes (Nemophila phacelioides) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 27, 2019
 Blue field madder (spurwort, Sherardia arvensis) 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
 Peeling puffball mushroom (Lycoperdon marginatum) in a field in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 9, 2019
 Prickleseed buttercup flower (Ranunculus muricatus) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 9, 2019
 Meadow garlic (Allium canadense) with green bulblets in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Young leaves of eastern poison ivy (Toxicodendron radicans) 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
 Shoot of meadow garlic (Allium canadense) with green bulblets in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Texas toad-flax (Linaria texana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Texas mountain laurel (Sophora secundiflora) near a museum in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 9, 2019
 Red buckeye (Southern buckeye, Aesculus pavia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Winter rosette of thistle in Washington Cemetery. Washington, Texas, December 8, 2012
 Rosette of leaves of some plant in Washington Cemetery. Washington, Texas, January 7, 2024
 Winter rosette of sow thistle in Washington Cemetery. Washington, Texas, January 26, 2013
 Winter rosette of sow thistle in dew in Washington Cemetery. Washington, Texas, January 26, 2013
 Heart shaped tombstones in Washington Cemetery. Washington, Texas, July 8, 2018
 Rosette of leaves of a buttercup(?) in Washington Cemetery. Washington, Texas, January 7, 2024
 Sear shells on a tomb in Washington Cemetery. Washington, Texas, January 26, 2013
 Unmarked tombstones in Washington Cemetery. Washington, Texas, July 8, 2018
 Remains of tombs in Washington Cemetery. Washington, Texas, January 26, 2013
 Tombs near Washington Cemetery Road. Washington, Texas, February 3, 2008
 Unexplored section of Washington Cemetery. Washington, Texas, November 25, 2012
 Marble tombstone in Washington Cemetery. Washington, Texas, January 26, 2013
 Overgrown tombs in Washington Cemetery. Washington, Texas, July 8, 2018
 Flower of red buckeye (Southern buckeye, Aesculus pavia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 27, 2019
 Houston Meadow-rue (Thalictrum texanum) in Washington Cemetery. Washington, Texas, January 5, 2020
 Shoot of bedstraw (Galium) in Washington Cemetery. Washington County, Texas, January 30, 2022
 Houston Meadow-rue (Thalictrum texanum) in dew in Washington Cemetery. Washington, Texas, January 5, 2020
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