 Close-up of staminate flowers 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 County, Texas, January 30, 2022
 Tiny purple female flowers of Houston meadow-rue (Thalictrum texanum) in Washington Cemetery. Washington County, Texas, January 30, 2022
 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 County, Texas, January 30, 2022
 Houston meadow-rue (Thalictrum texanum) with frost 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
 Pollen of Houston meadow-rue (Thalictrum texanum) under a microscope, collected 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
 Male flowers of Houston Meadow-rue (Thalictrum texanum) in Washington Cemetery. Washington, Texas, January 18, 2020
 Close-up of male flowers of Houston Meadow-rue (Thalictrum texanum) in Washington Cemetery. Washington, Texas, January 18, 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 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 7, 2024
 Leaves Houston Meadow-rue (Thalictrum texanum) in dew in Washington Cemetery. Washington, Texas, January 7, 2024
 Houston Meadow-rue (Thalictrum texanum) on a tomb in Washington Cemetery. Washington, Texas, January 7, 2024
 Close-up 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
 Leaves 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
 Fresh leaves of Houston Meadow-rue (Thalictrum texanum) in Washington Cemetery. Washington, Texas, January 7, 2024
 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
 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
 Houston Meadow-rue (Thalictrum texanum) that looks as maiden hair fern near the bordering bushes in Washington Cemetery. Washington, Texas, January 5, 2020
 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 yellow star-grass 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
 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
 Shoot of bedstraw (Galium) 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
 Staminate flowers of creeping lovegrass (Eragrostis reptans, Neeragrostis reptans) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2019
 Flowers sand phlox in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 30, 2022
 Spores of mushrooms Chlorophyllum hortense from edge of grassy meadow, collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 Winter rosette of sow thistle in dew in Washington Cemetery. Washington, Texas, January 26, 2013
 Rosette of leaves of some plant in Washington Cemetery. Washington, Texas, January 7, 2024
 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
 Winter rosette of sow thistle in Washington Cemetery. Washington, Texas, January 26, 2013
 Remains of tombs in Washington Cemetery. Washington, Texas, January 26, 2013
 Marble tombstone in Washington Cemetery. Washington, Texas, January 26, 2013
 Winter rosette of sow thistle (Sonchus oleraceus) in Washington Cemetery. Washington, Texas, January 7, 2024
 Old tombs in Washington Cemetery. Washington, Texas, January 26, 2013
 A tree in Washington Cemetery. Washington, Texas, January 26, 2013
 Washington Cemetery Road. Washington, Texas, January 26, 2013
 Good Hope Cemetery on William Penn Road in Washington County, east from Independence. Texas, December 12, 2009
 Carpet of leaves of Carolina ponysfoot (Dichondra carolinensis) in Washington Cemetery. Washington, Texas, January 7, 2024
 Some pale green crustose lichen on a marble tomb in Washington Cemetery. Washington, Texas, January 12, 2019
 Meadow-rue (Thalictrum) in dew near Boswell Creek crossing on Four Notch Loop Trail of Sam Houston National Forest near Huntsville. Texas, January 23, 2021
 Flower bud of Texas thistle (Cirsium texanum) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Dry flowers of phlox in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 20, 2022
 Various spring flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2022
 Flower buds of Texas thistle (Cirsium texanum) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 3, 2021
 Bluebonnet (Lupinus) flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 4, 2022
 Pink phlox flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 4, 2022
 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
 Mexican hat flowers (Ratibida columnifera) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 5, 2022
 Pink phlox flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2022
 Blue flowers of spiderwort (Tradescantia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2022
 Firewheel and bull nettle flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2022
 Flowers of zizotes milkweed (Asclepias oenotheroides) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 22, 2022
 Emerging flowers of bluebonnet (Lupinus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2022
 Flowers of spotted beebalm (Monarda punctata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 22, 2022
 Flowers of Japanese honeysuckle (Lonicera japonica) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 5, 2022
 Yellow flowers of aster family in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 4, 2022
 Pinkish flowers of spiderwort (Tradescantia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2022
 Blue flowers of spiderwort (Tradescantia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 20, 2022
 Dry flowers of lemon beebalm (Monarda citriodora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 20, 2022
 Flowers of green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
 Leaves of Mexican hat flowers (Ratibida columnifera) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 20, 2022
 Red flowers of Indian paintbrush (Castilleja indivisa) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
 Yellow and blue flowers of Krigia and Tradescantia in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2022
 Flowers of white prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2022
 Hairy leaves and blue flowers of spiderwort (Tradescantia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2022
 Flowers of Baby blue eyes (Nemophila phacelioides) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2022
 Winter rosette spiderwort (Tradescantia) with emerging flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 20, 2022
 Flowers of stiff-stem flax (Linum berlandieri) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
 Dry flowers of black eyed susan (Rudbeckia hirta) in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 20, 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
 Flowers of Meadow Rue (Thalictrum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2014
 Meadow pink (Sabatia campestris) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2009
 Spiderwort (tradescantia) on a meadow in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2019
 Small yellow flowers of a plant of tansy mustard (Descurainia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2022
 Flat winter rosettes of Texas dandelion (Pyrrhopappus pauciflorus) in Washington Cemetery. Washington, Texas, January 7, 2024
 Brown winter rosette of Texas dandelion (Pyrrhopappus pauciflorus) in Washington Cemetery. Washington, Texas, January 7, 2024
 Small Nolanea mushroom on a meadow in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2019
 Horse on a meadow in Barrington farm in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 27, 2008
 White flowers of Meadow Rue (Thalictrum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 13, 2014
 Pink flowers of Meadow Rue (Thalictrum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 13, 2014
 Pink flowers of Meadow Rue (Thalictrum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 4, 2017
 Purple flowers of Meadow Rue (Thalictrum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 27, 2009
 White flowers of meadow rue (Thalictrum, Russian name Vasilistnik) near Novinka, 50 miles south from Saint Petersburg. Russia, June 14, 2014
 Purple flowers of Meadow Rue (Thalictrum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Gills of a small Nolanea mushroom on a meadow in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2019
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