 Opening thistle flower in Lick Creek Park. College Station, Texas, July 17, 2009
 Immature seed head of yellow thistle (Bull thistle, Cirsium horridulum) on sewage line right-of-way in Lick Creek Park. College Station, Texas, May 2, 2023
 Spherical seed head of Gaillardia pulchella (firewheel) in TAMU Holistic Garden in Texas A and M University. College Station, Texas, May 22, 2009
 Fluffy seed head of sow thistle (Sonchus oleraceus) in Lick Creek Park. College Station, Texas, March 28, 2024
 Fluffy seed head of sow thistle (Sonchus oleraceus) in Lick Creek Park. College Station, Texas, March 27, 2023
 Seed head of sow thistle (Sonchus) with fluffy pappus attached to seed-bearing achenes in TAMU Holistic Garden in Texas A and M University. College Station, Texas, January 31, 2009
 Seed head of sow thistle (Sonchus) with fluffy pappus attached to seed-bearing achenes in TAMU Holistic Garden in Texas A and M University. College Station, Texas, February 22, 2009
 Yellow thistle (Bull thistle, Cirsium horridulum) on a forest opening over a sewage line in Lick Creek Park. College Station, Texas, March 31, 2023
 Seed head of false dandelion (Pyrrhopappus carolinianus) in Lick Creek Park. College Station, Texas, July 21, 2019
 Seed head of Texas dandelion in Lick Creek Park. College Station, Texas, July 22, 2014
 Seed head of Texas dandelion in Lick Creek Park. College Station, Texas, July 26, 2014
 Opening thistle flower in Lick Creek park, on Iron Bridge Trail. College Station, June 15, 2008
 Opening flower of summer-blooming thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, June 22, 2022
 Thistle flower in Lick Creek Park. College Station, Texas, July 17, 2009
 Opening flower of bull thistle (Cirsium horridulum) on a pipeline clearing in Lick Creek Park. College Station, Texas, March 24, 2021
 "Exploding" seeds of a thistle in Lick Creek Park. College Station, Texas, July 30, 2009
 Crab like spider in a thistle in Lick Creek Park. College Station, Texas, July 17, 2009
 Close up of "exploding" seeds of a thistle in Lick Creek Park. College Station, Texas, July 30, 2009
 Seed head of Texas dandelion in Lick Creek Park. College Station, June 15, 2008
 Thistle with seeds and a green lynx spider in Lick Creek Park. College Station, Texas, July 30, 2009
 Seed head of firewheel (Gaillardia pulchella) in TAMU Holistic Garden in Texas A and M University. College Station, Texas, July 18, 2009
 Spherical fruit head of Prairie gaillardia (Gaillardia aestivalis) with achenes after fertilization of disk flowers on Yaupon Trail in Lick Creek Park. College Station, Texas, September 23, 2008
 Seed head of firewheel (Gaillardia pulchella) near the creek in Bee Creek Park. College Station, Texas, July 27, 2021
 Seed head of a plant of aster family in Lick Creek Park. College Station, Texas, September 29, 2022
 Seed head of tickseed sunflower (Bidens) in Lick Creek Park. College Station, Texas, August 12, 2021
 Dandelion seed head near Deer Run Trail in Lick Creek Park. College Station, Texas, June 8, 2008
 Seed head of cattails (typha) on a pipeline right of way in Lick Creek Park. College Station, Texas, June 22, 2022
 Seed head of wild carrot (Daucus pusillus) in Lick Creek Park. College Station, Texas, May 22, 2012
 Dry seed head of black eyed susan in Lick Creek Park. College Station, Texas, June 30, 2012
 Fluffy seed head of cattails (Typha) in Lick Creek Park. College Station, Texas, August 17, 2022
 Globular seed head of firewheel (Gaillardia pulchella) near the creek in Bee Creek Park. College Station, Texas, July 27, 2021
 Seed head of Antelope horns milkweed (Asclepias viridis) in Lick Creek Park. College Station, Texas, May 17, 2018
 Umbrella like seed head of wild carrot (Daucus pusillus) in Lick Creek Park. College Station, Texas, May 22, 2012
 Seed head of common dandelion (Taraxanum officinale) in Lick Creek Park. College Station, Texas, February 23, 2024
 Close up of a seed head of wild carrot (Daucus pusillus) in Lick Creek Park. College Station, Texas, May 22, 2012
 Seed head of firewheel (Gaillardia pulchella) near the creek under power lines in Bee Creek Park. College Station, Texas, July 21, 2020
 Stink bug nymph on a seed head of soft golden aster in Lick Creek Park. College Station, Texas, October 29, 2010
 Flower crab spider (Misumenops celer(?)) eating a skipper butterfly on a thistle in Lick Creek Park. College Station, Texas, July 30, 2009
 Dry seed head of basket flower (Centaurea americana) on a sewage line right of way in Lick Creek Park. College Station, Texas, June 27, 2022
 Flower head of summer-blooming thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, June 22, 2022
 Stink bug nymph (Euschistus) on a seed head of frostweed in Lick Creek Park, on Iron Bridge Trail. College Station, Texas, October 19, 2008
 Fluffy seed head of a dry plant of soft golden aster (Bradburia pilosa) in Lick Creek Park. College Station, Texas, September 8, 2023
 Opening flowers of sow thistle (Sonchus oleraceus) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 24, 2009
 Camouflaged stink(?) bug on a brown seed head of soft golden aster (Bradburia pilosa) in Lick Creek Park. College Station, Texas, September 2, 2020
 Spherical flowers of buttonbush (Cephalanthus occidentalis) near Nature Center in Lick Creek Park. College Station, Texas, July 11, 2020
 Closed flower and a seed head of soft golden aster (Bradburia pilosa, Heterotheca, Chrysopis) in Lick Creek Park. College Station, Texas, August 17, 2010
 Spherical flower head of buttonbush in Antique Rose Emporium. Independence, Texas, August 15, 2009
 Seed head of common dandelion in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, February 13, 2009
 Opening flower of blue waterleaf (Hydrolea ovata) in Lick Creek Park, on Iron Bridge Trail. College Station, July 6, 2008
 Seed head of Coltsfoot (Tussilago farfara, Russian name Mat I Machekha) with fluffy pappus attached to seed-bearing achenes west from Toksovo, 10 miles north from Saint Petersburg, Russia, June 24, 2009
 Bud of thistle in Lick Creek Park. College Station, Texas, July 15, 2014
 Fluffy seed head of a plant of aster family in Wolf Pen Creek Park. College Station, Texas, April 24, 2019
 Seed head of common dandelion (Taraxacum officinale) in Wolf Pen Creek Park. College Station, Texas, March 31, 2021
 Large flower head of Artichoke thistle (Cynara cardunculus), in TAMU Holistic Garden in Texas A and M University. College Station, Texas, May 14, 2009
 Flower head of woolly-white (Hymenopappus artemisiaefolius) in Lick Creek Park. College Station, Texas, April 29, 2009
 Yellow thistle (Bull thistle, Cirsium horridulum) in Lick Creek Park. College Station, Texas, April 6, 2022
 Yellow thistle (Bull thistle, Cirsium horridulum) in Lick Creek Park. College Station, Texas, April 5, 2018
 Yellow thistle (Bull thistle, Cirsium horridulum) in Lick Creek Park. College Station, Texas, March 31, 2024
 Yellow thistle (Bull thistle, Cirsium horridulum) in Lick Creek Park. College Station, Texas, April 18, 2022
 Yellow thistle (Bull thistle, Cirsium horridulum) in Lick Creek Park. College Station, Texas, April 12, 2024
 Yellow thistle (Bull thistle, Cirsium horridulum) in Lick Creek Park. College Station, Texas, April 5, 2019
 Bumblebee on thistle in Lick Creek Park. College Station, Texas, July 26, 2014
 Blooming thistle in Lick Creek Park. College Station, Texas, July 15, 2014
 Seeds of thistle in Lick Creek Park. College Station, Texas, July 15, 2014
 Seed heads of cattails (Typha) in Lick Creek Park. College Station, Texas, July 14, 2022
 Fluffy seed head of common dandelion (Taraxacum officinale) in Wolf Pen Creek Park. College Station, Texas, March 31, 2021
 Blooming yellow thistle (Bull thistle, Cirsium horridulum) in Lick Creek Park. College Station, Texas, April 5, 2019
 Flower bud of yellow thistle (Bull thistle, Cirsium horridulum) in Lick Creek Park. College Station, Texas, April 14, 2019
 Flower of yellow thistle (Bull thistle, Cirsium horridulum) in Lick Creek Park. College Station, Texas, April 5, 2019
 Flower bud of yellow thistle (Bull thistle, Cirsium horridulum) in Lick Creek Park. College Station, Texas, April 11, 2018
 Spherical flower head of globe onion in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 23, 2009
 Flower of summer thistle in Lick Creek Park. College Station, Texas, July 15, 2014
 Katydid on seeds of thistle in Lick Creek Park. College Station, Texas, July 15, 2014
 Flower bud of summer thistle in Lick Creek Park. College Station, Texas, July 22, 2014
 Crab spider on a thistle in Lick Creek Park. College Station, Texas, July 7, 2012
 Flower of summer thistle in Lick Creek Park. College Station, Texas, July 22, 2014
 Emerging flower from a large head of globe artichoke thistle (Cynara cardunculus) in TAMU Holistic Garden in Texas A and M University. College Station, Texas, May 11, 2009
 Yellow thistle (Bull thistle, Cirsium horridulum) on a pipeline clearing in Lick Creek Park. College Station, Texas, March 24, 2021
 Seeds of yellow thistle (Bull thistle, Cirsium horridulum) on sewage line right-of-way in Lick Creek Park. College Station, Texas, May 2, 2023
 Rosette of leaves of yellow thistle (Bull thistle, Cirsium horridulum) in Lick Creek Park. College Station, Texas, January 10, 2024
 Yellow thistle (Bull thistle, Cirsium horridulum) on Post Oak Trail in Lick Creek Park. College Station, Texas, March 26, 2019
 Disk florets in a flower head of woolly-white (Hymenopappus artemisiaefolius) in Lick Creek Park. College Station, Texas, April 8, 2009
 Dry seed heads of artichoke thistle (Cynara cardunculus) in Leach Teaching Gardens at Texas A and M University. College Station, Texas, July 7, 2022
 Flower bud of yellow thistle (Bull thistle, Cirsium horridulum) on Post Oak Trail in Lick Creek Park. College Station, Texas, March 26, 2019
 Yellow thistle (Bull thistle, Cirsium horridulum) on a recently built pipeline in Lick Creek Park. College Station, Texas, April 12, 2021
 Metallic beetles in yellow thistle (Bull thistle, Cirsium horridulum) on a pipeline right-of-way in Lick Creek Park. College Station, Texas, April 12, 2021
 Fluffy seeds of yellow thistle (Bull thistle, Cirsium horridulum) on sewage line right-of-way in Lick Creek Park. College Station, Texas, May 2, 2023
 Arrangement of seeds of yellow thistle (Bull thistle, Cirsium horridulum) on sewage line right-of-way in Lick Creek Park. College Station, Texas, May 2, 2023
 Flower of yellow thistle (Bull thistle, Cirsium horridulum) with a bronze beetle in Lick Creek Park. College Station, Texas, April 5, 2019
 Florets of a thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, July 7, 2012
 Frostweed and a thistle on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 17, 2013
 Seed head of smooth sow thistle (Sonchus oleraceus) in a roadside depression east from Al Jebail water treatment plant. Al Khor, Qatar, January 23, 2016
 Winter rosette of yellow thistle (Bull thistle, Cirsium horridulum) on a pipeline clearing in Lick Creek Park. College Station, Texas, March 11, 2021
 Basal leaves of yellow thistle (Bull thistle, Cirsium horridulum) on a pipeline clearing in Lick Creek Park. College Station, Texas, February 25, 2021
 Winter rosette of yellow thistle (Bull thistle, Cirsium horridulum) on a pipeline clearing in Lick Creek Park. College Station, Texas, February 25, 2021
 Summer-blooming thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, July 3, 2014
 Thistle flower heads (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, July 7, 2012
 Summer-blooming thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, July 10, 2014
 Thistle (Cirsium engelmannii) on sewage line right of way in Lick Creek Park. College Station, Texas, July 7, 2012
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