 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 woodsorrel (Oxalis violacea) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, March 1, 2019
 Violet wood sorrel (Oxalis violacea) on Richards Loop Trail in Sam Houston National Forest. Texas, March 3, 2024
 Leaves of violet woodsorrel (Oxalis violacea) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, March 1, 2019
 Violet wood sorrel (shamrock, Oxalis violacea) on Richards Loop Trail in Sam Houston National Forest. Texas, March 26, 2020
 Violet wood sorrel (shamrock, Oxalis violacea) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Pattern of leaves of violet woodsorrel (Oxalis violacea) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, March 1, 2019
 Carpet of leaves of violet woodsorrel (Oxalis violacea) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, March 1, 2019
 Underside of a leaf of violet woodsorrel (Oxalis violacea) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, March 1, 2019
 Flowers of Violet Wood Sorrel (Oxalis violacea) in Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, October 22, 2011
 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
 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
 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
 Pink flowers of wood sorrel (Oxalis) on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, April 2, 2022
 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 Sundew Trail in Big Thicket National Preserve. Kountze, Texas, August 2, 2014
 Pink flower of Violet wood sorrel (Oxalis violacea, shamrock) on Prairie Trail in Brazos Bend State Park. Needville, Texas, April 22, 2008
 Violet wood sorrel (shamrock, Oxalis violacea?) in Big Thicket park on Sundew Trail. Texas, October 11, 2008
 Violet wood sorrel (Oxalis violacea, shamrock) on Hoots Hollow Trail in Brazos Bend State Park. Needville, Texas, February 15, 2020
 Bloomin violet wood sorrel (Oxalis violacea, shamrock) in Little Thicket Nature Sanctuary. Cleveland, Texas, March 25, 2023
 Flowers of violet wood sorrel (Oxalis violacea, shamrock) in Little Thicket Nature Sanctuary. Cleveland, Texas, March 25, 2023
 Pink flowers of Violet wood sorrel (Oxalis violacea, shamrock) on Hoots Hollow Trail in Brazos Bend State Park. Needville, Texas, February 15, 2020
 Back lit flowers of violet wood sorrel (Oxalis violacea, shamrock) in Little Thicket Nature Sanctuary. Cleveland, Texas, March 25, 2023
 Pink flowers of violet wood sorrel (Oxalis violacea, shamrock) in Little Thicket Nature Sanctuary. Cleveland, Texas, March 25, 2023
 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) in dew blooming at fall without leaves in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 20, 2013
 Star-grass Hypoxis wrightii(?) on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, April 9, 2019
 Yellow wood sorrel (Oxalis stricta) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Yellow wood sorrel (Oxalis stricta) on Richards Loop Trail in Sam Houston National Forest. Texas, March 26, 2020
 Yellow star-grass (Hypoxis hirsuta) on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, April 9, 2019
 Blooming star-grass Hypoxis wrightii(?) on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, April 9, 2019
 Flower of star-grass Hypoxis wrightii(?) on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, April 9, 2019
 Yellow wood sorrel (shamrock, Oxalis dillenii?) on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Flowers of yellow wood sorrel (Oxalis stricta) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Yellow wood sorrel (shamrock, Oxalis dillenii?) in Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, May 26, 2012
 Morning mist on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, April 9, 2019
 Pink phlox on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, April 9, 2019
 Prescribed burn on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, April 9, 2019
 Forest in mist on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, April 9, 2019
 Pine forest on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, April 9, 2019
 Common blue violet (Viola sororia) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, February 9, 2019
 Pink wood sorrel (shamrock, Oxalis violacea?) in Mercer Arboretum and Botanical Gardens. Humble (Houston area), Texas, February 8, 2009
 Blooming yellow wood sorrel (shamrock, Oxalis dillenii?) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, October 13, 2012
 Blooming yellow wood sorrel (shamrock, Oxalis dillenii?) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 29, 2009
 Yellow flower of wood sorrel (shamrock, Oxalis dillenii?) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, October 13, 2012
 Nodding beardtongue (Penstemon laxiflorus) on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, April 9, 2019
 Some brown corticioid mushrooms on a fallen oak on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, April 9, 2019
 Lichens damaged by fire on a fallen oak branch on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, April 9, 2019
 Fiddleheads of bracken fern (Pteridium aquilinum) on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, April 9, 2019
 Flowers of nodding beardtongue (Penstemon laxiflorus) on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, April 9, 2019
 Shoot of bracken fern (Pteridium aquilinum) on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, April 9, 2019
 Lichens on bark killed by prescribed burn on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, April 9, 2019
 Unfolding leaves of bracken fern (Pteridium aquilinum) on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, April 9, 2019
 Texture of dog vomit slime mold (Fuligo septica) on a log on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, April 9, 2019
 Young leaves of bracken fern (Pteridium aquilinum) on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, April 9, 2019
 Dog vomit slime mold (Fuligo septica) on a pine log on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, April 9, 2019
 Funnel mushrooms Clitocybe sinopica (Bonomyces sinopicus) on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, April 9, 2019
 Brown corticioid mushrooms growing over moss on a fallen oak on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, April 9, 2019
 Tree dwelling moss Leucodon julaceous on a fallen oak on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, April 9, 2019
 Brick red funnel mushrooms Bonomyces sinopicus (Clitocybe sinopica) on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, April 9, 2019
 Texture of brown corticioid mushrooms growing over moss on a fallen oak on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, April 9, 2019
 Cap of downy conecap mushrooms (Conocybe subpubescens(?)) on a decomposed fallen oak on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, April 9, 2019
 Corticioid mushrooms Trichaptum fuscoviolaceum on a fallen pine branch on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, April 9, 2019
 Group of funnel mushrooms Bonomyces sinopicus (Clitocybe sinopica) on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, April 9, 2019
 Wolf s Milk slime mold (Lycogala epidendrum) on a fallen pine on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, April 9, 2019
 Gills of downy conecap mushrooms (Conocybe subpubescens(?)) on a decomposed fallen oak on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, April 9, 2019
 Downy conecap mushrooms (Conocybe subpubescens(?)) on a decomposed fallen oak or pine on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, April 9, 2019
 Close up of corticioid fungus Trichaptum fuscoviolaceum on a fallen pine branch on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, April 9, 2019
 Xylaria apiculata(?) mushrooms on rotting wood on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, September 7, 2019
 Side view of downy conecap mushrooms (Conocybe subpubescens(?)) on a decomposed fallen oak on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, April 9, 2019
 Slime mold Tubifera dimorphotheca(?) on rotting wood on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, June 11, 2019
 Some slime mold on rtting wood on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, April 9, 2020
 Spherical fruiting bodies (aethalia) of Wolf s Milk slime mold Lycogala epidendrum on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, April 9, 2019
 Brick-red Clitocybe mushrooms (Clitocybe sinopica, Bonomyces sinopicus) on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, April 9, 2019
 Young wood hedgehog mushrooms (Hydnum repandum) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, April 9, 2020
 Muscadine grape (Vitus rotundifolia) on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, March 19, 2019
 Tiny brown spherical heads of some slime mold on rotting wood on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, April 9, 2020
 Violet mushrooms Gymnopus iocephalus on rotting wood on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, August 21, 2022
 Close up of Polyporus arcularius (Lentinus arcularius) mushrooms on rotting wood on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, March 1, 2019
 Tiny purple flower of Violet wood sorrel (shamrock, Oxalis) on Deer Run Trail in Lick Creek Park. College Station, Texas, September 30, 2008
 Blooming partridge berry (Mitchella repens) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, April 12, 2019
 Violet toothed polypore mushrooms (Trichaptum biforme) on an oak log on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, December 12, 2020
 Partridge berry (Mitchella repens) with flowers and fruits on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, April 12, 2019
 Wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Tarkhovka near Sestroretsk. West from Saint Petersburg, Russia, May 13, 2019
 Underside of violet toothed polypore mushrooms (Trichaptum biforme) on an oak log on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, December 12, 2020
 Wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Sobstvennaya Dacha Park. Old Peterhof, west from Saint Petersburg, Russia, May 17, 2019
 Blooming wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Sobstvennaya Dacha Park. Old Peterhof, west from Saint Petersburg, Russia, May 17, 2019
 Flowers of wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Sobstvennaya Dacha Park. Old Peterhof, west from Saint Petersburg, Russia, May 17, 2019
 Back-lit purple flower of wood sorrel in Sam Houston National Forest on Little Lake Creek Loop Trail. Richards, Texas, April 4, 2010.
 Shoot of oak on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, July 20, 2019
 Shoot of elm on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, March 1, 2019
 Corticioid fungus on rotting wood on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, September 14, 2019
 Purple flowers of Violet wood sorrel (shamrock, Oxalis) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 9, 2009
 Young leaves of elm on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, March 1, 2019
 Stereum mushrooms on a log on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, March 1, 2019
 Dayflower (Commelina) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, June 11, 2019
 Leucoagaricus mushrooms on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, June 11, 2019
 Catkin of elm tree on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, February 9, 2019
|