 Tiny purple flower of Violet wood sorrel (shamrock, Oxalis) on Deer Run Trail in Lick Creek Park. College Station, Texas, September 30, 2008
 Violet wood sorrel (shamrock, Oxalis violacea?) in Mercer Arboretum and Botanical Gardens. Humble (Houston area), Texas, April 5, 2009
 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
 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) 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
 Pink wood sorrel (shamrock, Oxalis violacea?) in Mercer Arboretum and Botanical Gardens. Humble (Houston area), Texas, February 8, 2009
 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
 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
 Violet flowers of Wright s vervain (Verbena wrightii)(?) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 9, 2009
 Violet wood sorrel (shamrock, Oxalis violacea?) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 21, 2008
 Violet-veined white flowers of Erodium pelargoniflorum Sweetheart in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 21, 2009
 Blooming yellow wood sorrel (shamrock, Oxalis dillenii?) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 29, 2009
 Sage like violet flowers in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, May 8, 2009
 Purple tubular flowers of clasping henbit (henbit deadnettle, Lamium amplexicaule) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 24, 2009
 Morning freeze on yellow violet flower in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 29, 2009
 Small purple flowers of Jatropha gossypiifolia (Bellyache bush) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, July 31, 2009
 Yellow wood sorrel (shamrock, Oxalis dillenii?) on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Yellow wood sorrel (shamrock, Oxalis dillenii?) in Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, May 26, 2012
 Flowers of Violet Wood Sorrel (Oxalis violacea) in Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, October 22, 2011
 White and purple flowers of velvet pod mimosa (Mimosa dysocarpa, gatuno) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, August 24, 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?) with soldier flies (Stratiomyidae) in Big Thicket park on Sandhill Loop Trail. Texas, March 23, 2008
 Yellow flower of wood sorrel (shamrock, Oxalis dillenii?) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, October 13, 2012
 Pink flowers of milfoil (millefolium) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 23, 2009
 Opening flowers of sow thistle (Sonchus oleraceus) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 24, 2009
 Morning freeze on yellow viola flowers in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 29, 2009
 Violet veiny petunia in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 26, 2009
 Spring beauty flowers (Claytonia virginica) on a lawn in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 3, 2009
 Close up of yellow violet flower in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, February 12, 2009
 Red and violet petunia on flower beds in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 26, 2009
 Flowers and a fruit of Ebbing s silverberry (oleaster, Elaeagnus ebbingei) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 3, 2009
 Tiny flowers of blue field madder (spurwort, Sherardia arvensis) on a lawn in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 9, 2009
 Purple rose in dew in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, November 3, 2009
 Tiny white flowers with cleft petals of common chickweed (Stellaria media) on a lawn in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 9, 2009
 Violet tubular flowers of Buddleia davidii (butterfly bush) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 24, 2008
 Purple iris flower in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 1, 2009
 Purple flowers of pea family in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, September 17, 2012
 Mysterious purple plant of lily(?) family on trial beds in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, March 31, 2009
 Blue trumpet flowers of Iochroma warscewiczii (Purple bells) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, October 7, 2008
 Violet wood sorrel (Oxalis violacea) on Richards Loop Trail in Sam Houston National Forest. Texas, March 3, 2024
 Violet wood sorrel (Oxalis violacea) on Sundew Trail in Big Thicket National Preserve. Kountze, Texas, August 2, 2014
 Nemesia flowers in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, May 8, 2009
 Lantana flowers in dew in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, May 19, 2009
 Red flowers on a bush in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, October 16, 2009
 Flowers of asparagus in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, September 15, 2009
 Lantana flowers in dew in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, October 23, 2009
 Lantana flowers in dew in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, November 2, 2009
 Orange flowers of lantana in dew in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, November 18, 2009
 Pink flowers of Heteropteris in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, September 25, 2009
 Yellow flowers of a cactus in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, July 31, 2009
 Dry orange flowers of leonotis in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, December 16, 2009
 Yellow flowers of forsythia in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, February 6, 2009
 Small white Cnidoscolus like flowers in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, May 25, 2009
 White-lined sphinx moth (Hummingbird moth, Hyles lineata) hovering over violet petunia flower in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, March 18, 2009
 Mexican hat flowers (Ratibida columnifera) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 28, 2009
 Showy spider-shaped flowers of cleome in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, May 19, 2009
 White flowers on acacia like tree in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 28, 2009
 Catchfly (Silene gallica) flowers in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 1, 2009
 Fire ants on flowers of holly tree in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, May 1, 2009
 Dry flowers of leonotis killed by frost in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, December 16, 2009
 Pink flowers of milfoil (millefolium) in dew in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, November 18, 2009
 Pink flowers of milfoil (millefolium) in dew in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 13, 2009
 Flowers of Laurestinus (Viburnum tinus) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, February 6, 2009
 Yellow flowers of stonecrop (Sedum) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 17, 2009
 Small purple flowers of Jatropha gossypiifolia (Bellyache bush, Cotton Leaf, Physic nut, Sibidigua, Tua-Tua) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, July 14, 2008
 Flowers of Moth mullein (Verbascum blattaria) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 1, 2009
 Yellow flowers of parralena (Dyssodia pentachaeta) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 13, 2009
 White flowers of Philadelphus X virginalis Natchez in dew in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, November 2, 2009
 Flowers of X Ruttyruspolia (Ruddy Rose Pink, Ruspolia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, May 25, 2009
 Dry flowers of leonotis damaged by recent frost in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, December 10, 2009
 Yellow flowers of rooiwortel (Bulbine latifolia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 21, 2009
 Violet wood sorrel (Oxalis violacea) on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, April 9, 2019
 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
 Green flowers of Hop Tree (Water Ash, Ptelea trifoliata) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 17, 2009
 Dry orange flowers of leonotis killed by recent frost in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, December 10, 2009
 White flowers of Confederate jasmine (Trachelospermum jasminoides) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 10, 2009
 Flowers of X Ruttyruspolia (Ruddy Rose Pink, Ruspolia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, September 21, 2009
 Yellow flowers of Evening primrose (Oenothera hookeri) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, September 3, 2009
 Yellow flowers of Agarita (Berberis trifoliolata, Mahonia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, February 27, 2009
 Agave parviflora in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 21, 2009
 Cabbage agave in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 29, 2009
 Ornamental cabbage in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 29, 2009
 Flower of violet wood sorrel (Oxalis violacea) on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, April 9, 2019
 Yellow flowers of butterfly vine (gallinita, Mascagnia macroptera) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, October 1, 2009
 Dead orange flowers of leonotis killed by recent frost in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, December 10, 2009
 Drooping of white pea-flowers of Black locust (Robinia pseudoacacia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, March 31, 2009
 Flowers and last year berries of yaupon holly (Ilex vomitoria) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 3, 2009
 Blue flowers on a vine of Brazilian nightshade (Solanum seaforthianum) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, October 14, 2009
 White flowers of Wild Olive (Anacahuita, Cordia boissieri) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, July 23, 2009
 Pansy (violets) with ice crystals in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 21, 2009
 Morning freeze on clover in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 29, 2009
 Frost on cabbage head in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 21, 2009
 Frozen rose leaves in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 30, 2009
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