 Pollen grains in iodine solution of Houston meadow-rue (Thalictrum texanum) under a microscope, collected 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
 Houston meadow-rue (Thalictrum texanum) in dew 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
 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 County, Texas, January 30, 2022
 Staminate flowers of Houston meadow-rue (Thalictrum texanum) 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
 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 Washington Cemetery. Washington, Texas, January 7, 2024
 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
 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
 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) that looks as maiden hair fern near the bordering bushes in Washington Cemetery. Washington, Texas, January 5, 2020
 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
 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
 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
 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
 Spores of mushrooms Chlorophyllum hortense from edge of grassy meadow, collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 Spores of common brown grass Gymnopus mushrooms under a microscope, collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 Asci and paraphyses of black Hysteroid pyrenomycetous fungus Hysterium angustatum(?) under a microscope in KOH, collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 22, 2022
 Asci with spores of black Hysteroid pyrenomycetous fungus Hysterium angustatum(?) under a microscope in KOH, collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 22, 2022
 Green flowers with pollen of giant ragweed (Ambrosia trifida) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2012
 Yellow pollen particle from a magnolia leaf under a microscope, collected in Little Thicket Nature Sanctuary. Cleveland, Texas, March 23, 2024
 Winter rosette of sow thistle in dew in Washington Cemetery. Washington, Texas, January 26, 2013
 Winter rosette of sow thistle 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
 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
 A tree in Washington Cemetery. Washington, Texas, January 26, 2013
 Washington Cemetery Road. Washington, Texas, January 26, 2013
 Old tombs in Washington Cemetery. 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
 Spores of Agaricus mushroom with a scaly cap collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2022
 Fruits bull nettle (Cnidoscolus texanus) collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 22, 2022
 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
 Spores of thin wide Trametes(?) mushrooms collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 Spores of Agaricus mushroom with a scaly cap at low magnification, collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2022
 Fibrecap mushroom Inocybe albodisca(?) collected on a lawn in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2022
 Spores of a fibrecap mushroom Inocybe albodisca(?) collected on a lawn in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2022
 Gills of a fibrecap mushroom Inocybe albodisca(?) collected on a lawn in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2022
 Spores of common brown grass Gymnopus mushrooms, collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 Spores of blackfoot parachute mushrooms (Tetrapyrgos nigripes) collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 Spores of polypore mushrooms Lentinus tricholoma from a lawn, collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 Spores (in KOH) of a soft Hypoxylon fungus collected a day before in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 4, 2023
 Spores (in KOH) of a brittlestem mushroom (Psathyrella)(?) collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Spores of Lactocollybia mushrooms from the base of an osage orange tree, collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 Spores of small grass mushrooms Marasmius graminum from a lawn, collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 Spores of tiny brown Clitocybe mushrooms from bare soil, collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 Spores of mushrooms Clitocella mundula collected 3 days before in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 10, 2024
 Spores of orange teeth corticioid fungus from an oak log collected a day before in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 4, 2023
 Spores (in KOH) of a rosegill mushroom (Volvopluteus gloiocephalus) collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Spores of brown Tomentella fungus from a hardwood log, collected a day before in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 4, 2023
 Spores of tiny orange mushrooms Marasmius curreyi growing in grass, collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 Spores of blackfoot parachute mushrooms (Tetrapyrgos nigripes) (stacked image), collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 Spores of common brown grass Gymnopus mushrooms (stacked image), collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 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
 Asci and paraphyses through a microscope of a small orange Ascomycete fungus Anthracobia tristis or may be A. maurilabra collected 1/26/2022 from a bonfire site on Richards Loop Trail in Sam Houston National Forest. Texas, January 26, 2022
 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
 Spores (in lugol) of a rosegill mushroom (Volvopluteus gloiocephalus) collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Spores of orangish resupinate polypore mushroom from a hackberry log, collected a day before in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 4, 2023
 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
 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
 Spores of thin white funnel mushrooms Leucocybe candicans(?) from a side of a sandy path, collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2022
 Asci and paraphyses of black Hysteroid pyrenomycetous fungus Hysterium angustatum(?) from a dry maclura tree at low magnification, collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 22, 2022
 Asci and spores of black Hysteroid pyrenomycetous fungus Hysterium angustatum(?) from a dry maclura tree at low magnification, collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 22, 2022
 Gills of a small Nolanea mushroom on a meadow in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2019
 View in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 30, 2022
 Blooming sand phlox in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 30, 2022
 Flowers sand phlox in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 30, 2022
 Spores of light brown tooth corticioid fungus from a fallen juniper, collected a day before in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 4, 2023
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