 Violet wood sorrel (shamrock, Oxalis violacea?) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 21, 2008
 Violet Wood Sorrel (Oxalis violacea) blooming at fall without leaves in Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, October 22, 2011
 Spiderwort (Tradescantia) and yellow wood sorrel (oxalis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2022
 Violet wood sorrel (Oxalis violacea, shamrock) on Hoots Hollow Trail in Brazos Bend State Park. Needville, Texas, February 15, 2020
 Pink flower of Violet wood sorrel (Oxalis violacea, shamrock) on Prairie Trail in Brazos Bend State Park. Needville, Texas, April 22, 2008
 Pink flowers of Violet wood sorrel (Oxalis violacea, shamrock) on Hoots Hollow Trail in Brazos Bend State Park. Needville, Texas, February 15, 2020
 Violet wood sorrel (shamrock, Oxalis violacea?) in Big Thicket park on Sundew Trail. Texas, October 11, 2008
 Moss and wood sorrel in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 4, 2021
 Back lit Violet Wood Sorrel (Oxalis violacea) in Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, October 22, 2011
 Flower of Violet Wood Sorrel (Oxalis violacea) in Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, October 22, 2011
 Flowers of Violet Wood Sorrel (Oxalis violacea) in Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, October 22, 2011
 Blooming violet ruella (Ruellia nudiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 31, 2021
 Dry leaves of hackberry (Celtis laevigata) on roadside in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 6, 2013
 Violet basal leaves of sow thistle (Sonchus oleraceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 7, 2024
 Soil pellets among dry leaves of hackberry (Celtis laevigata) on roadside in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 6, 2013
 Violet wood sorrel (Oxalis violacea) on Sundew Trail in Big Thicket National Preserve. Kountze, Texas, August 2, 2014
 Violet wood sorrel (Oxalis violacea) on Richards Loop Trail in Sam Houston National Forest. Texas, March 3, 2024
 Flowers of violet wood sorrel (Oxalis violacea, shamrock) in Little Thicket Nature Sanctuary. Cleveland, Texas, March 25, 2023
 Bloomin violet wood sorrel (Oxalis violacea, shamrock) in Little Thicket Nature Sanctuary. Cleveland, Texas, March 25, 2023
 Violet wood sorrel (shamrock, Oxalis violacea) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Violet wood sorrel (shamrock, Oxalis violacea) on Richards Loop Trail in Sam Houston National Forest. Texas, March 26, 2020
 Pink flowers of violet wood sorrel (Oxalis violacea, shamrock) in Little Thicket Nature Sanctuary. Cleveland, Texas, March 25, 2023
 Back lit flowers of violet wood sorrel (Oxalis violacea, shamrock) in Little Thicket Nature Sanctuary. Cleveland, Texas, March 25, 2023
 Violet flower of Ruellia nudiflora near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 27, 2013
 Violet ruella (Ruellia nudiflora) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 27, 2013
 Back lit violet ruella (Ruellia nudiflora) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 27, 2013
 Violet wood sorrel (shamrock, Oxalis violacea?) in Mercer Arboretum and Botanical Gardens. Humble (Houston area), Texas, April 5, 2009
 Violet wood sorrel (Oxalis violacea) on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, April 9, 2019
 Flower of violet wood sorrel (Oxalis violacea) on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, April 9, 2019
 Violet wood sorrel (Oxalis violacea) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Richards Loop Trail in Sam Houston National Forest near Montgomery. Texas, September 6, 2024
 Yellow woodsorrel (Oxalis stricta) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Yellow woodsorrel (Oxalis stricta) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 9, 2019
 Blooming smartweed (Persicaria, Polygonum) in a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 18, 2020
 Flowers of yellow woodsorrel (Oxalis stricta) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Blooming Morning glory (tievine, Ipomoea cordatotriloba) in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 5, 2019
 Yellow woodsorrel (Oxalis stricta) on a sandy path in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Winter rosette with silverly leaves near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 27, 2013
 Slime mold Fuligo cinerea on rotting wood in area of Old Washington Town Site in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 6, 2021
 Violet wood sorrel blooming at fall without leaves in Mercer Arboretum and Botanical Gardens. Humble (Houston area), Texas, September 5, 2009
 Violet wood sorrel blooming at fall (without leaves) in Mercer Arboretum and Botanical Gardens. Humble (Houston area), Texas, September 25, 2010
 Some grass in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 20, 2013
 A pond in mist in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 25, 2013
 Mature chanterelle mushrooms Cantharellus quercophilus among dry oak leaves in area of Old Washington Town Site in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 7, 2021
 Chanterelle mushrooms Cantharellus quercophilus among dry leaves under small elm and oak trees in area of Old Washington Town Site in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 7, 2021
 Slender vervain (verbena) in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 20, 2013
 Puffball mushroom (Calvatia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 25, 2013
 Green milkweed (Asclepias viridis) in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 20, 2013
 Green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 25, 2013
 Side view of chanterelle mushrooms Cantharellus quercophilus among dry leaves under small elm and oak trees in area of Old Washington Town Site in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 7, 2021
 Violet ruella (Ruellia nudiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 28, 2014
 Violet ruella (Ruellia nudiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 31, 2021
 Violet ruella (Ruellia nudiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 24, 2021
 Violet ruella (Ruellia nudiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2008
 Violet ruella (Ruellia nudiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 18, 2010
 Violet ruella (Ruellia nudiflora) with dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 6, 2009
 Violet ruella (Ruellia nudiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 14, 2008
 Violet ruella (Ruellia nudiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 8, 2021
 Amanita rhopalopus(?) mushrooms near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 6, 2013
 Amanita rhopalopus(?) mushroom on near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 6, 2013
 Dead Man s Fingers (Xylaria polymorpha) mushroom in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 20, 2013
 White polypore mushroom Amylosporus campbellii(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 6, 2013
 Violet ruella (Ruellia nudiflora) flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2008
 Flower of violet ruella (Ruellia nudiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 24, 2021
 Flowers of violet ruella (Ruellia nudiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 31, 2021
 Stalked lattice stinkhorn mushroom (Lysurus periphragmoides) in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 25, 2013
 Ascomycete mushrooms Hyalorbilia inflatula (Orbilia inflatula)(?) on blackened wood in area of Old Washington Town Site in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 6, 2021
 Turtle skeleton and a half-rotten horse apple (osage orange) among leaves of hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 20, 2012
 Hackberry(?) fruits and remains of insects in animal dropping near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 25, 2013
 Hatching egg of stalked lattice stinkhorn mushroom (Lysurus periphragmoides) in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 25, 2013
 Fall colors of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 23, 2009
 Blooming poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 1, 2010
 Early fall color of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 30, 2008
 Blooming phlox in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2019
 Blooming magnolia tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 31, 2008
 Blooming poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2022
 Blooming plum(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 19, 2010.
 Blooming oak tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Blooming mulberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2021
 Blooming hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Spiderwort (tradescantia) blooming in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2008
 Blooming bluebonnet (Lupinus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 13, 2020
 Some blooming plant near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2012
 Blooming dayflower (Commelina) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 15, 2019
 Blooming Engelmann s daisy in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2023
 Blooming sand phlox 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, March 14, 2021
 Blooming Mexican hat (Ratibida columnifera) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
 Blooming thistle (Cirsium) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2023
 Blooming black cherry in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2022
 Blooming firewheel (Gaillardia pulchella) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
 Some blooming grass in prairie in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2021
 Blooming mulberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2021
 Blooming bluebonnet (Lupinus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 Basal leaves of white avens (Geum canadense) among dry oak leaves in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 8, 2021
 Green leaves of white avens (Geum canadense) among dry oak leaves in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 8, 2021
 Chanterelle mushrooms Cantharellus quercophilus in overgrown area with small cedar elm, juniper, live oak, among dry leaves in area of Old Washington Town Site in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 7, 2021
 Reddish latticed head (a receptaculum) of stalked lattice stinkhorn mushroom (Lysurus periphragmoides) in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 25, 2013
 Blooming hairy spiderwort (Tradescantia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 2021
 Blooming sunflower (Helianthus annuus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 31, 2021
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