 Close-up of male flowers of Houston Meadow-rue (Thalictrum texanum) in Washington Cemetery. Washington, Texas, January 18, 2020
 Close-up of staminate flowers of Houston meadow-rue (Thalictrum texanum) in Washington Cemetery. Washington County, Texas, January 30, 2022
 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
 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
 Carpet of Houston Meadow-rue (Thalictrum texanum) in Washington Cemetery. Washington, Texas, January 18, 2020
 Male flowers of Houston Meadow-rue (Thalictrum texanum) in Washington Cemetery. Washington, Texas, January 18, 2020
 Houston Meadow-rue (Thalictrum texanum) that looks as maiden hair fern near the bordering bushes 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) in dew in Washington Cemetery. Washington County, Texas, January 30, 2022
 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
 Fresh leaves of Houston Meadow-rue (Thalictrum texanum) in Washington Cemetery. Washington, Texas, January 7, 2024
 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
 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
 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
 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 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
 Houston Meadow-rue (Thalictrum texanum) that looks as maiden hair fern near the bordering bushes 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
 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
 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 a moved area of Cemetery of St. Holland Baptist Church near Navasota. Texas, March 27, 2019
 Close-up of beech woodwart fungus (Hypoxylon fragiforme) on a fallen tree branch in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 5, 2020
 Close-up of a puffball mushroom Vascellum pratense (Lycoperdon pratense) on a lawn near Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 18, 2020
 Close-up of scaly stippled lichen (Endocarpon pusillum) on a thin layer of soil over exposed limestone rocks overgrown by prickly pears near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 18, 2020
 Sear shells on a tomb in Washington Cemetery. Washington, Texas, January 26, 2013
 Rosette of leaves of a buttercup(?) in Washington Cemetery. Washington, Texas, January 7, 2024
 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
 Marble tombstone in Washington Cemetery. Washington, Texas, January 26, 2013
 Remains of tombs in Washington Cemetery. Washington, Texas, January 26, 2013
 Shoot of bedstraw (Galium) in Washington Cemetery. Washington County, Texas, January 30, 2022
 Winter rosette of sow thistle (Sonchus oleraceus) in Washington Cemetery. Washington, Texas, January 7, 2024
 A tree in Washington Cemetery. Washington, Texas, January 26, 2013
 Old tombs in Washington Cemetery. Washington, Texas, January 26, 2013
 Washington Cemetery Road. Washington, Texas, January 26, 2013
 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
 Close-up of firewheel (Gaillardia pulchella) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
 Flower bud of Texas thistle (Cirsium texanum) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Flower buds of Texas thistle (Cirsium texanum) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 3, 2021
 Close-up of stinkhorn mushroom Blumenavia rhacodes in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
 Close up of Meadow Rue (Thalictrum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2014
 Close up of Meadow Rue (Thalictrum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Close-up of Alissum like flowers on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
 Close up of medallion lichen (Dirinaria confusa) on an oak in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 12, 2019
 Close-up of a seedling and some moss on sandy soil in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Close-up of brown Tomentella fungus on a hardwood log in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Close-up of blue flowes of spiderwort (Tradescantia) in prairie in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 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
 Close-up of resupinate polypore mushroom Physisporinus vitreus(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2020
 Close up of a flower of Meadow Rue (Thalictrum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Close up of medallion lichen (Dirinaria confusa) on hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Close up of ruffle lichen Parmotrema submarginale on an oak branch in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 12, 2019
 Close-up of texture of lichens on bark of hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 Close-up of cockleshell mushrooms Lentinellus castoreus on an oak log in red cedar forest in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2020
 Meadow with bluebonnet in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 5, 2008
 Meadow with coreopsis in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 28, 2014
 Close up of white flowers of Meadow Rue (Thalictrum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 13, 2014
 Close-up of some black and greenish scaly lichen on sandstone rocks in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Close up of fringe lichen (Heterodermia) on small cedar elm tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Close-up of relatively soft Hypoxylon fungus on wood of broadleaf tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Close up of fringe lichen (Heterodermia) on acacia (huisache) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Close-up of pore surface of frothy porecrust fungus (Oxyporus latemarginatus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 27, 2020
 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
 Brown winter rosette of Texas dandelion (Pyrrhopappus pauciflorus) in Washington Cemetery. Washington, Texas, January 7, 2024
 Flat winter rosettes 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
 Close-up of purple spots on pads of a prickly pear cactus (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Close-up of white web-like corticioid fungus on underside of a fallen broadleaf tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 30, 2022
 Close-up of white resupinate polypore mushroom on a fallen branch of hackberry(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Close-up of small patch of orangish resupinate polypore mushroom on a hackberry log in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Close-up of fungus Hypomyces rosellus(?) on remains of some jelly fungi on a pecan log in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Close-up of light brown tooth corticioid fungus on a fallen juniper in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Close-up of frothy porecrust fungus (Oxyporus latemarginatus) roots of a removed oak(?) stump in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 27, 2020
 Close-up of a flower of common red corn poppy (Papaver rhoeas) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
 Close-up of female flowers of creeping lovegrass (Eragrostis reptans) in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 2020
 Gills of a small Nolanea mushroom on a meadow in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2019
 Close-up of frothy porecrust fungus (Oxyporus latemarginatus) on remains of a removed oak stump in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 24, 2021
 Meadow garlic (Allium canadense) with green bulblets in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Close-up of a winter rosette of basal leaves of stemless evening primrose (Oenothera triloba) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 7, 2024
 Close-up of light brown corticioid mushroom with fine teeth on a fallen juniper(?) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2023
 Bluebonnet seedlings in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 5, 2020
 Close-up of Texas signalgrass (Urochloa texana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2020
|