 Stamens of white prickly poppy (Argemone albiflora) flower on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, May 30, 2010
 White prickly poppy (Argemone albiflora) flowers on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, May 30, 2010
 Opening flower of white prickly poppy (pricklepoppy, Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2009
 White flower of prickly poppy (pricklepoppy, Argemone albiflora) with orange center and delicate crinkled petals in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2009
 Mint like plant on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, May 30, 2010
 White prickly poppy (Argemone albiflora) in Birch Creek Unit of Lake Somerville State Park, Texas, April 29, 2012
 Carolina larkspur (Delphinium carolinianum) on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, May 30, 2010
 Lazy daisy (Aphanostephus skirrhobasis) on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, May 30, 2010
 White prickly poppy (Argemone albiflora) on a road on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, May 6, 2018
 Flower of prickly poppy (Argemone albiflora) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Flower of Palafoxia hookeriana on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, August 8, 2009
 Flower of Palafoxia hookeriana on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, September 20, 2008
 Close up of a flower of prickly poppy (Argemone albiflora) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Close-up of flower of Palafoxia hookeriana on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, September 20, 2008
 White prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 12, 2018
 White prickly poppy (Argemone albiflora) with a katydid in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 27, 2012
 White prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 21, 2018
 White prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2012
 White prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2014
 White prickly poppy (Argemone albiflora) with katidid in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 10, 2019
 Ovary of white prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 1, 2012
 Blooming white prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 12, 2018
 Flower of Palafoxia hookeriana (sand palafox) in dew on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, September 20, 2008
 Morning Glory (Ipomoea cordatotriloba) flower on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, September 20, 2008
 Sand palafox (Palafoxia hookeriana) flower on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, September 20, 2008
 Flower of prickly poppy (Argemone albiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2020
 Yellow flower of aster family Viguiera cordifolia(?) on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, September 20, 2008
 Small yellow flower of aster family with downcurved rays on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, September 20, 2008
 Distinctive fruits of Common hoptree (Ptelea trifoliata), waferlike samara with broad wings, on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, May 30, 2010
 Branching sprays of white flowers of wild buckwheat (Yerba colorado, Eriogonum annuum(?)) on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, September 20, 2008
 White prickly poppy (Argemone albiflora) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 16, 2020
 White prickly poppy (Argemone albiflora) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, May 6, 2018
 Flower of prickly poppy (Argemone albiflora) on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, April 26, 2020
 Sunflower on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, September 20, 2008
 Sunflower on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, August 8, 2009
 Katydid nymph on prickly poppy (Argemone albiflora) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Snake cotton (Froelichia) on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, October 1, 2011
 Snake cotton (Froelichia) taken from roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, August 8, 2009
 Mirabilis (Four-O clock family) on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, October 1, 2011
 Close-up of Palafoxia hookeriana on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, September 20, 2008
 Katydid nymph on a petal of prickly poppy (Argemone albiflora) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Buffalo bur (Solanum rostratum) on roadside of Road 364, north from Sugarloaf Mountain. Gause, Texas, August 8, 2009
 Flowers of Mirabilis (Four-O clock family) on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, October 1, 2011
 Sandburs spikelet (Cenchrus spinifex) on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, September 20, 2008
 Slender bush clover (Lespedeza virginica) on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, September 20, 2008
 Flowers with papery sheath of Parks jointweed (Polygonella parksii) on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, September 20, 2008
 Snake cotton (Froelichia) on roadside of Road 364, near Sugarloaf Mountain, with cottony 5-lobed tubular flowers in a dense spike-like cluster. Gause, Texas, September 20, 2008
 Cottony 5-lobed tubular flowers in a dense spike-like cluster of Snake cotton (Froelichia) taken from roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, August 8, 2009
 Sugarloaf Mountain. Gause, Texas, March 21, 2010.
 Prickly poppy (Argemone albiflora) on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, April 26, 2020
 Late blooming prickly poppy (Argemone albiflora) on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, October 31, 2020
 Sugarloaf Mountain, view from Road 364. Gause, Texas, September 20, 2008
 Top of Sugarloaf Mountain, with view Road 364 to the north. Gause, Texas, May 17, 2009
 Bails of cotton near CR 264, with Sugarloaf Mountain on horizon. Gause, Texas, September 22, 2012
 View of Little River from old railroad bridge at CR 264 near Sugarloaf Mountain. Gause, Texas, September 22, 2012
 Flower of Unicorn plant (devil s claw, Proboscidea loisianica) on roadside of Road 364, north from Little River. Gause, Texas, May 30, 2010
 Stamens of a flower of white prickly poppy in Birch Creek Unit of Lake Somerville State Park, Texas, April 29, 2012
 Central part of a flower of white prickly poppy in Birch Creek Unit of Lake Somerville State Park, Texas, April 29, 2012
 White flower of prickly poppy in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2009
 Grasshopper on a white prickly poppy flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 24, 2009
 Close up of a green grasshopper sitting on a white prickly poppy flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 24, 2009
 White flowers of wild buckwheat (Yerba colorado, Eriogonum) on roadside of Road 364. Gause, Texas, October 1, 2011
 Branching sprays of white flowers of wild buckwheat (Yerba colorado, Eriogonum) on roadside of Road 364. Gause, Texas, October 1, 2011
 White prickly poppy flower on field near Old Washington Town Site Loop Trail of Washington-on-the-Brazos State Historic Site. Washington, Texas, June 2, 2007
 Katydid on white prickly poppy in Birch Creek Unit of Lake Somerville State Park, Texas, April 29, 2012
 Large flower of Unicorn plant (devil s claw, Proboscidea loisianica) on roadside of Road 364, north from Little River, with purplish dots and yellow stripes in the throat. Gause, Texas, September 20, 2008
 White prickly poppy in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 14, 2008
 White prickly poppy in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 9, 2008
 White prickly poppy in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2012
 White prickly poppy on a slope of a hill in Bastrop State Park. Bastrop, Texas, April 21, 2012
 White prickly poppy in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2008
 Young katydid on white prickly poppy in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 3, 2008
 White prickly poppy on shores of the lake in Birch Creek Unit of Lake Somerville State Park, Texas, April 29, 2012
 Prickly poppy flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 27, 2008
 Prickly poppy flower with immature katydid in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 27, 2008
 Sunflower on roadside of Road 364. Gause, Texas, October 1, 2011
 Palafoxia hookeriana on roadside of Road 364. Gause, Texas, October 1, 2011
 Scarlet pea (Indigofera intricata, local name humeira) with a flower on roadside of Salwa Road, near Nakhsh Mountain. Qatar, October 31, 2015
 Globular seed pod of Gaillardia on roadside of Road 364. Gause, Texas, October 1, 2011
 Papery sheath of Parks jointweed (Polygonella parksii) on roadside of Road 364. Gause, Texas, October 1, 2011
 El Capitan Mountain with prickly pears cactus in foreground, view from upper Roadside Park. Guadalupe Mountains National Park, Texas, December 28, 2007
 Silver-leaf nightshade (Solanum elaeagnifolium) on roadside of Road 364, north from Little River. Gause, Texas, August 8, 2009
 Unicorn plant (devil s claw, Proboscidea loisianica) on roadside of Road 364, north from Little River. Gause, Texas, August 8, 2009
 Back lit red flower of poppy in TAMU Holistic Garden in Texas A and M University. College Station, Texas, April 11, 2010
 Opening red poppy flower in TAMU Holistic Garden in Texas A and M University. College Station, Texas, April 3, 2010.
 Flower of Iceland poppy damaged by cucumber beetles in TAMU Holistic Garden in Texas A and M University. College Station, Texas, May 9, 2010
 White flower of bindweed (Convolvulus fatmensis) in windblown sand on roadside of Salwa Road in area of Khashem Al Nekhsh. Qatar, February 26, 2016
 Central part of red poppy flower in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 24, 2010
 Prostrate weed of khakiweed (washerwoman, mat chaff flower, Alternanthera caracasana) with prickly seeds taken from a lawn. College Station, Texas, November 23, 2010
 Prickly pears cactus in snow near a road between White s City and Carlsbad Caverns. New Mexico, December 26, 2007
 Seed head and a flower of a plant Koelpinia linearis on white background in windblown sand on roadside of Salwa Road in area of Khashem Al Nekhsh. Southern Qatar, March 18, 2016
 Prickly poppy in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 17, 2014
 Roadside of Road 2562 near crossing with Road 217, south from Roans Prairie. Texas, April 4, 2010.
 Wildflowers on roadside of Hoddeville School Road, a corner of Road 390 west from Gay Hill. Texas, April 15, 2010
 Wildflowers on a roadside of Road 2562 near crossing with Road 217, south from Roans Prairie. Texas, April 4, 2010.
 Prickly Dock (Emex spinosa, Rumex spinosus, local names drs al ajooz, hanzab) on roadside of Salwa Road in south-western Qatar, February 21, 2014
 Nakhsh mountain at sunrise from roadside of Salwa Road in area of Khashem Al Nekhsh. Qatar, November 27, 2015
 Sulphur Flower (Eriogonum umbellatum) in Beartrap Meadow County Park on Casper Mountain. Wyoming, July 21, 2010
 View of Nakhsh mountain at sunrise from roadside of Salwa Road in area of Khashem Al Nekhsh. Qatar, November 27, 2015
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