 Fruits 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
 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
 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
 Houston Meadow-rue (Thalictrum texanum) that looks as maiden hair fern near the bordering bushes in Washington Cemetery. Washington, Texas, March 27, 2019
 Houston Meadow-rue (Thalictrum texanum) in Washington Cemetery. Washington, Texas, January 5, 2020
 Houston Meadow-rue (Thalictrum texanum) in dew in Washington Cemetery. Washington, Texas, January 5, 2020
 Houston Meadow-rue (Thalictrum texanum) in Washington Cemetery. Washington, Texas, January 24, 2021
 Houston Meadow-rue (Thalictrum texanum) in Washington Cemetery. Washington, Texas, January 7, 2024
 Houston Meadow-rue (Thalictrum texanum) on a tomb in Washington Cemetery. Washington, Texas, January 7, 2024
 Leaves Houston Meadow-rue (Thalictrum texanum) in dew in Washington Cemetery. Washington, Texas, January 7, 2024
 Houston meadow-rue (Thalictrum texanum) in dew in Washington Cemetery. Washington County, Texas, January 30, 2022
 Leaves of Houston Meadow-rue (Thalictrum texanum) in Washington Cemetery. Washington, Texas, January 18, 2020
 Carpet of Houston Meadow-rue (Thalictrum texanum) in Washington Cemetery. Washington, Texas, January 18, 2020
 Blooming Houston Meadow-rue (Thalictrum texanum) in Washington Cemetery. Washington, Texas, January 18, 2020
 Close-up of Houston Meadow-rue (Thalictrum texanum) in Washington Cemetery. Washington, Texas, January 18, 2020
 Houston meadow-rue (Thalictrum texanum) with frost in Washington Cemetery. Washington County, Texas, January 30, 2022
 Leaves of Houston meadow-rue (Thalictrum texanum) in Washington Cemetery. Washington County, Texas, January 30, 2022
 Male flowers of Houston Meadow-rue (Thalictrum texanum) in Washington Cemetery. Washington, Texas, January 18, 2020
 Fresh leaves of Houston Meadow-rue (Thalictrum texanum) in Washington Cemetery. Washington, Texas, January 7, 2024
 Male flowers of Houston meadow-rue (Thalictrum texanum) in Washington Cemetery. Washington County, Texas, January 30, 2022
 Close-up of male flowers of Houston Meadow-rue (Thalictrum texanum) in Washington Cemetery. Washington, Texas, January 18, 2020
 Staminate flowers of Houston meadow-rue (Thalictrum texanum) in Washington Cemetery. Washington County, Texas, January 30, 2022
 Petal of Houston meadow-rue (Thalictrum texanum) under a microscope, collected in Washington Cemetery. Washington County, Texas, January 30, 2022
 Close-up of staminate flowers of Houston meadow-rue (Thalictrum texanum) in Washington Cemetery. Washington County, Texas, January 30, 2022
 Pollen of Houston meadow-rue (Thalictrum texanum) under a microscope, collected in Washington Cemetery. Washington County, Texas, January 30, 2022
 Houston Meadow-rue (Thalictrum texanum) that looks as maiden hair fern near the bordering bushes in Washington Cemetery. Washington, Texas, January 5, 2020
 Tiny purple female flowers of Houston meadow-rue (Thalictrum texanum) in Washington Cemetery. Washington County, Texas, January 30, 2022
 Pollen grains in iodine solution of Houston meadow-rue (Thalictrum texanum) under a microscope, collected in Washington Cemetery. Washington County, Texas, January 30, 2022
 Houston Meadow-rue (Thalictrum texanum) in a moved area of Cemetery of St. Holland Baptist Church near Navasota. Texas, March 27, 2019
 Tuft of slender orange bush lichen (Teloschistes exilis) on an oak in semi-open area in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Meadow garlic (Allium canadense) with green bulblets in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Shoot of meadow garlic (Allium canadense) with green bulblets in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Young leaf of Virginia creeper in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Small bulblets on Canada garlic (meadow garlic, Allium canadense) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 27, 2019
 Meadow-rue (Thalictrum) near the creek crossing on Four Notch Loop Trail of Sam Houston National Forest near Huntsville. Texas, March 23, 2019
 Annual trampweed (Facelis retusa) in Washington Cemetery. Washington, Texas, March 27, 2019
 Back lit leaves of meadow-rue (Thalictrum) near the creek crossing on Four Notch Loop Trail of Sam Houston National Forest near Huntsville. Texas, March 23, 2019
 Small Pluteus mushroom (to the left) and brittlegill (Psathyrella) (to the right) on a lawn in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
 Underside of a small Pluteus mushroom (to the left) and cap of brittlegill (Psathyrella) (to the right) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
 Spiderwort (tradescantia) on a meadow in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2019
 Small Nolanea mushroom on a meadow in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2019
 Flower bud of Texas thistle (Cirsium texanum) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Barometer earthstar mushrooms (Astraeus hygrometricus) in open grassy area in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 26, 2023
 Gills of a small Nolanea mushroom on a meadow in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2019
 Ramularia leaf spot fungus (Ramularia rubella) on curly dock (Rumex crispus) in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 2021
 Close-up of Ramularia leaf spot fungus (Ramularia rubella) on curly dock (Rumex crispus) in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 2021
 Young leaf of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 15, 2009
 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
 Canada garlic (meadow garlic, Allium canadense) in Washington-on-the-Brazos Historic Site. Washington, Texas, March 30, 2008
 Various lichens covering statue of Virgin Mary in Washington Cemetery. Washington, Texas, December 8, 2019
 Back-lit leaf of mustang grape in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 31, 2010.
 Old tombstones in Washington Cemetery. Washington, Texas, December 8, 2019
 Oak and a tuxedo cat in fog in Washington Cemetery. Washington, Texas, December 8, 2019
 Oak and tombs in fog in Washington Cemetery. Washington, Texas, December 8, 2019
 Oak silhouette in fog in Washington Cemetery. Washington, Texas, December 8, 2019
 Leaf footed bug on a leaf in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 27, 2013
 Groundsel bush (seepwillow, Baccharis halimifolia) with seeds in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 Stone statue of Virgin Mary with fruticose lichens in Washington Cemetery. Washington, Texas, December 8, 2019
 Some pale green crustose lichen on a marble tomb in Washington Cemetery. Washington, Texas, January 12, 2019
 Rain drop on a leaf of bluebonnet (lupine) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 15, 2009
 Fluffy seeds of groundsel bush (seepwillow, Baccharis halimifolia) in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 Back lit leaf of eastern poison ivy (Toxicodendron radicans) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 13, 2020
 Leaves of rough-leaf dogwood (Cornus drummondii) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 Shoot of rough-leaf dogwood (Cornus drummondii) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 Young folded leaf of bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 Golden eye lichen (Teloschistes chrysophthalmus) on a stone chest of Virgin Mary statue in Washington Cemetery. Washington, Texas, December 8, 2019
 Young tender leaves of rough-leaf dogwood (Cornus drummondii) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 19, 2010.
 Fluffy seeds of ten-petal anemone (Anemone heterophylla) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 Fluffy seeds of ten-petal anemone (Anemone heterophylla) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 19, 2010.
 Puffball mushrooms Calvatia cyathiformis on open space near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 Flower buds of Texas thistle (Cirsium texanum) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 3, 2021
 Highway of Texas leaf cutting ants (Atta texana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2022
 Nest of Texas leaf cutting ants (Atta texana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2022
 Burrow of a nest of Texas leaf cutting ants (Atta texana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2022
 Meadow with coreopsis in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 28, 2014
 Meadow with bluebonnet in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 5, 2008
 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
 Meadow pink (Sabatia campestris) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2009
 Texas leaf cutting ants (Atta texana) with leaves and berries of Yaupon holly in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2022
 Texas leaf cutting ants (Atta texana) carrying leaves of Yaupon holly in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2022
 Close-up of Texas leaf cutting ants (Atta texana) with leaves of Yaupon holly in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2022
 Horse on a meadow in Barrington farm in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 27, 2008
 Spotted beebalm (Monarda punctata) near a gate at Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 4, 2020
 Green grasshopper on Amaranthus albus(?) near a gate at Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 4, 2020
 Red wisker clammyweed (Polanisia dodecandra) near a gate at Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 4, 2020
 Seed head of a plant of sunflower family near a gate at Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 4, 2020
 Globular seed pod of a plant of sunflower family near a gate at Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 4, 2020
 Globular seed head of a plant of sunflower family near a gate at Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 4, 2020
 Spores of mushrooms Chlorophyllum hortense from edge of grassy meadow, collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 Milkweed seeds in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 10, 2011
 Milkweed seeds in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 6, 2009
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