 Sunflower on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, September 20, 2008
 Sandburs spikelet (Cenchrus spinifex) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 3, 2008
 Close-up of Palafoxia hookeriana on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, September 20, 2008
 Flower of Palafoxia hookeriana on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, September 20, 2008
 Sandburs spikelet (Cenchrus spinifex) taken from a lawn near apartments at George Bush Drive. College Station, Texas, September 30, 2012
 Close-up of flower of Palafoxia hookeriana 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
 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 Palafoxia hookeriana (sand palafox) in dew on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, September 20, 2008
 Sandburs spikelet (Cenchrus spinifex) in Bastrop State Park. Bastrop, Texas, September 10, 2020
 Yellow flower of aster family Viguiera cordifolia(?) on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, September 20, 2008
 Sandburs spikelet (Cenchrus spinifex) in Lemontree Park. College Station, Texas, July 27, 2014
 Flowers with papery sheath of Parks jointweed (Polygonella parksii) 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
 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
 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
 Sugarloaf Mountain, view from Road 364. Gause, Texas, September 20, 2008
 Close up of sandburs spikelet (Cenchrus spinifex) in Lake Bryan Park. Bryan, Texas, October 19, 2009
 Sunflower on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, August 8, 2009
 Mint like plant on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, May 30, 2010
 Snake cotton (Froelichia) taken from roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, August 8, 2009
 Snake cotton (Froelichia) on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, October 1, 2011
 Flower of Palafoxia hookeriana on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, August 8, 2009
 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
 Mirabilis (Four-O clock family) on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, October 1, 2011
 Flowers of Mirabilis (Four-O clock family) on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, October 1, 2011
 Buffalo bur (Solanum rostratum) on roadside of Road 364, north from Sugarloaf Mountain. Gause, Texas, August 8, 2009
 Flower of white prickly poppy (Argemone albiflora) 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
 Stamens of white prickly poppy (Argemone albiflora) flower on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, May 30, 2010
 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
 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
 Sandburs (Cenchrus spinifex) in Bastrop State Park. Bastrop, Texas, September 10, 2020
 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
 Sandburs (Cenchrus spinifex) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 28, 2024
 Sandburs on a roadside of Meyersville Road. North from Chappell Hill, Texas, September 21, 2008
 Sugarloaf Mountain. Gause, Texas, March 21, 2010.
 Mating rice stink bugs (Oebalus pugnax) on a sandburs spikelet on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 21, 2008
 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
 Common sandbur grass (Cenchrus spinifex) in Old Baylor Park. Independence, Texas, September 3, 2020
 Common sandbur (Cenchrus spinifex) near Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 31, 2021
 Coastal sandbur (Cenchrus spinifex) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 15, 2019
 Common sandbur (Cenchrus spinifex) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 6, 2009
 Spikelet of buffelgrass (African foxtail grass, Cenchrus pennisetiformis) taken from Onaiza area near West Bay. Doha, Qatar, September 9, 2015
 Sandburs spikelet in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 1, 2012
 Common sandbur (Cenchrus spinifex) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 2, 2020
 Coastal sandbur (Cenchrus spinifex) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2014
 Sunflower on roadside of Road 364. Gause, Texas, October 1, 2011
 Fruits of common sandbur (Cenchrus spinifex) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2014
 Palafoxia hookeriana on roadside of Road 364. Gause, Texas, October 1, 2011
 Globular seed pod of Gaillardia on roadside of Road 364. Gause, Texas, October 1, 2011
 Spikelet of southern sandbur grass (Cenchrus echinatus) on Al Muhandiseen Street near West Bay. Doha, Qatar, May 6, 2014
 Spikelet of Buffelgrass (African foxtail grass, Cenchrus pennisetiformis) on Al Muhandiseen Street near West Bay. Doha, Qatar, May 6, 2014
 Close up of a spikelet of southern sandbur grass (Cenchrus echinatus) on Al Muhandiseen Street near West Bay. Doha, Qatar, May 6, 2014
 Papery sheath of Parks jointweed (Polygonella parksii) on roadside of Road 364. Gause, Texas, October 1, 2011
 White flowers of wild buckwheat (Yerba colorado, Eriogonum) on roadside of Road 364. Gause, Texas, October 1, 2011
 Silver-leaf nightshade (Solanum elaeagnifolium) on roadside of Road 364, north from Little River. Gause, Texas, August 8, 2009
 Field sandbur grass (Cenchrus spinifex) on shores of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, October 4, 2022
 Flower of Unicorn plant (devil s claw, Proboscidea loisianica) on roadside of Road 364, north from Little River. Gause, Texas, May 30, 2010
 Unicorn plant (devil s claw, Proboscidea loisianica) on roadside of Road 364, north from Little River. Gause, Texas, August 8, 2009
 Back lit spike of field sandbur grass (Cenchrus spinifex) on shores of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, October 4, 2022
 Branching sprays of white flowers of wild buckwheat (Yerba colorado, Eriogonum) on roadside of Road 364. Gause, Texas, October 1, 2011
 Spikelet of Hindi grass (Diaz bluestem, Dichanthium annulatum) in a silty depression on roadside of a road to Zubara, area of Al Magdah farms. Northern Qatar, October 24, 2015
 Dodder on a roadside of Meyersville Road. North from Chappell Hill, Texas, September 21, 2008
 Dayflower on a roadside of Meyersville Road. North from Chappell Hill, Texas, September 21, 2008
 Close up of a spikelet of Hindi grass (Diaz bluestem, Dichanthium annulatum) in a silty depression on roadside of a road to Zubara, area of Al Magdah farms. Northern Qatar, October 24, 2015
 Spikelet of grass Awnless barnyard grass (Echinochloa colona?) in silty depression on roadside of a road from Dukhan to Al Jumayliyah. Western Qatar, March 1, 2014
 Blooming snake cotton (Froelichia) on a roadside of Meyersville Road. North from Chappell Hill, Texas, September 21, 2008
 Flower of large buttonweed (Diodia virginiana) on a roadside of Meyersville Road. North from Chappell Hill, Texas, September 21, 2008
 Broom-wood (Melochia pyramidata(?)) flowers on a roadside of Meyersville Road. North from Chappell Hill, Texas, September 21, 2008
 Pink powderpuff flower (Mimosa strigillosa) on a roadside of Meyersville Road. North from Chappell Hill, Texas, September 21, 2008
 Tiny yellow flowerhead of lawnflower (Calyptocarpus vialis) on a roadside of Meyersville Road. North from Chappell Hill, Texas, September 21, 2008
 Purple gerardia (false foxglove, Agalinis purpurea) on roadside of Road 259, in Port Sullivan. West from Hearne, Texas, September 20, 2008
 Nakhsh mountain at sunrise from roadside of Salwa Road in area of Khashem Al Nekhsh. Qatar, November 27, 2015
 View of Nakhsh mountain at sunrise from roadside of Salwa Road in area of Khashem Al Nekhsh. Qatar, November 27, 2015
 Scarlet pea (Indigofera intricata, local name humeira) with a flower on roadside of Salwa Road, near Nakhsh Mountain. Qatar, October 31, 2015
 Fence with roadside wildflowers at Dannheim(?) Road, east from Christmas Road. West from Independence, Texas, April 7, 2008
 Indian blanket (Gaillardia pulchella, firewheel) on roadside of Road 217, near Road 2562. Richards, Texas, November 1, 2008
 Purple gerardia (prairie agalinis, Agalinis purpurea) on roadside of Road 259, in Port Sullivan. West from Hearne, Texas, September 20, 2008
 Sandburs in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 18, 2008
 Seedpod of Indian blanket (Gaillardia pulchella, firewheel) on roadside of Road 217, near Road 2562. Richards, Texas, November 1, 2008
 Bush of Leptadenia pyrotechnica with Nakhsh mountain at background from roadside of Salwa Road in area of Khashem Al Nekhsh. Qatar, November 27, 2015
 Scarlet pea (Indigofera intricata, local name humeira) emerging from sand on roadside of Salwa Road, near Nakhsh Mountain. Qatar, October 31, 2015
 Fence with roadside bluebonnet flowers at 1505 Dannheim Road, east from Christmas Road. West from Independence, Texas, April 7, 2008
 Variegated Fritillary (Euptoieta claudia) butterfly on Indian blanket (Gaillardia pulchella) on roadside of Road 217, near Road 2562. Richards, Texas, November 1, 2008
 El Capitan Mountain at sunset, view from lower Roadside Park south from the mountain. Guadalupe Mountains National Park, Texas, December 28, 2007
 Texas thistle at roadside of Road 1155, north-east from Brenham, west from Dillard Road. Texas, June 1, 2008
 Buffelgrass (African foxtail grass, Cenchrus pennisetiformis) on roadside of Dukhan Highway near Al Shakhaniya. Qatar, January 15, 2016
 Roadside flowers at CR 55, near Road 390 in mist. Independence, Texas, April 7, 2008
 Cylindrical spikelet of grass Pennisetum divisum taken from roadside near entrance of Irkhaya (Irkaya) Farms. Qatar, November 13, 2015
 Spikelet of blue panicgrass (Panicum antidotale) taken from area of water tank on roadside between Mesayeed and Harrarah. Qatar, October 30, 2015
 Extra head of Sam Houston statue in a roadside park of Road 45. Huntsville, Texas, December 18, 2008
 Indian paintbrush flower on roadside of Meyersville Road, between roads 105 and 1155, north-east from Brenham. Texas, May 10, 2008
 Prairie larkspur (delphinium) flower on roadside of Meyersville Road, between roads 105 and 1155, north-east from Brenham. Texas, May 10, 2008
 Cotton field from CR 264. Gause, Texas, September 22, 2012
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