 Opening spherical seed head of a thistle in Lick Creek Park. College Station, Texas, July 30, 2009
 Opening thistle flower in Lick Creek park, on Iron Bridge Trail. College Station, June 15, 2008
 Thistle flower in Lick Creek Park. College Station, Texas, July 17, 2009
 Opening flower of summer-blooming thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, June 22, 2022
 Opening flower of bull thistle (Cirsium horridulum) on a pipeline clearing in Lick Creek Park. College Station, Texas, March 24, 2021
 Yellow thistle (Bull thistle, Cirsium horridulum) on a forest opening over a sewage line in Lick Creek Park. College Station, Texas, March 31, 2023
 Flower crab spider (Misumenops celer(?)) eating a skipper butterfly on a thistle in Lick Creek Park. College Station, Texas, July 30, 2009
 Opening flower of blue waterleaf (Hydrolea ovata) in Lick Creek Park, on Iron Bridge Trail. College Station, July 6, 2008
 "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
 Flower bud of summer thistle in Lick Creek Park. College Station, Texas, July 22, 2014
 Flower of summer thistle in Lick Creek Park. College Station, Texas, July 15, 2014
 Flower of summer thistle in Lick Creek Park. College Station, Texas, July 22, 2014
 Flower bud of yellow thistle (Bull thistle, Cirsium horridulum) in Lick Creek Park. College Station, Texas, April 11, 2018
 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
 Close up of "exploding" seeds of a thistle in Lick Creek Park. College Station, Texas, July 30, 2009
 Thistle with seeds and a green lynx spider in Lick Creek Park. College Station, Texas, July 30, 2009
 Thistle flower heads (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, July 7, 2012
 Flower of yellow thistle (Bull thistle, Cirsium horridulum) with a bronze beetle in Lick Creek Park. College Station, Texas, April 5, 2019
 Flower bud of yellow thistle (Bull thistle, Cirsium horridulum) on Post Oak Trail in Lick Creek Park. College Station, Texas, March 26, 2019
 Flower of summer-blooming thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, July 1, 2014
 Flower bud of summer-blooming thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, July 1, 2014
 Summer-blooming thistle flower (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, July 10, 2014
 Flower bud of summer-blooming thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, July 10, 2014
 Opening flower of hibiscus in TAMU Holistic Garden in Texas A and M University. College Station, Texas, July 22, 2009
 Summer-blooming thistle flower (Cirsium engelmannii) in Lick Creek Park, on Iron Bridge Trail. College Station, July 6, 2008
 Summer-blooming thistle flower (Cirsium engelmannii) from above in Lick Creek Park, on Iron Bridge Trail. College Station, July 6, 2008
 Opening flowers of sow thistle (Sonchus oleraceus) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 24, 2009
 Flower longhorned beetle Strange Virile Bycid (Strangalia virilis) mimicking as a wasp on a thistle in Lick Creek Park. College Station, Texas, July 13, 2008
 Flower of thistle (Cirsium) in Lick Creek Park. College Station, Texas, August 4, 2021
 Thistle (Cirsium engelmannii) flower bud in Lick Creek Park. College Station, Texas, June 10, 2012
 Flower bud of a thistle on Iron Bridge in Lick Creek Park. College Station, Texas, June 8, 2010
 Flower of thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, June 26, 2012
 Flower of thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, June 22, 2012
 Thistle (Cirsium engelmannii) flower in Lick Creek Park. College Station, Texas, June 30, 2012
 Spiny flower bud of a thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, June 20, 2012
 Close up of a flower of thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, June 22, 2012
 Close up of a thistle (Cirsium engelmannii) flower bud in Lick Creek Park. College Station, Texas, June 10, 2012
 Globular flower bud of a thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, June 10, 2012
 Flower buds of sow thistle (Sonchus oleraceus) in Lick Creek Park. College Station, Texas, February 27, 2023
 Flower buds of sow thistle (Sonchus oleraceus) in Lick Creek Park. College Station, Texas, March 2, 2023
 Thistle (Cirsium engelmannii) flower buds in Lick Creek Park. College Station, Texas, June 10, 2012
 Yellow flower of sow thistle (Sonchus oleraceus) in Lick Creek Park. College Station, Texas, March 31, 2024
 Emerging thistle flower in Lick Creek park, on Iron Bridge Trail. College Station, June 15, 2008
 Flower of summer-blooming thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, June 27, 2022
 Flower bud of summer-blooming thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, March 31, 2024
 Flower of summer-blooming thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, June 22, 2022
 Flower bud of summer-blooming thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, June 13, 2022
 Yellow flower of bull thistle (Cirsium horridulum) in Lick Creek Park. College Station, Texas, April 18, 2022
 Spiny globular flower bud of a thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, June 10, 2012
 Flower of summer-blooming thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, June 13, 2022
 Flower of a thistle (Cirsium engelmannii(?)) near Deer Run Trail in Lick Creek Park. College Station, Texas, June 8, 2008
 Bud of thistle in Lick Creek Park. College Station, Texas, July 15, 2014
 Unopened flower of summer-blooming thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, June 13, 2022
 Flower head of summer-blooming thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, June 22, 2022
 Opening flower of scabiosa in TAMU Holistic Garden in Texas A and M University. College Station, Texas, April 18, 2009
 Opening flower of Aristolochia (pipevine) in TAMU Holistic Garden in Texas A and M University. College Station, Texas, May 3, 2009
 Opening flower of Jimsonweed (datura) in TAMU Holistic Garden in Texas A and M University. College Station, Texas, May 14, 2009
 Opening flower of poppy in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, March 18, 2009
 Opening flower of red poppy in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, March 26, 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 18, 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, April 5, 2019
 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 12, 2024
 Bumblebee on thistle in Lick Creek Park. College Station, Texas, July 26, 2014
 Seeds of thistle in Lick Creek Park. College Station, Texas, July 15, 2014
 Blooming thistle in Lick Creek Park. College Station, Texas, July 15, 2014
 Large flower bud of bull thistle (Cirsium horridulum) on a pipeline clearing in Lick Creek Park. College Station, Texas, March 24, 2021
 Flower of summer-blooming thistle (Cirsium engelmannii) in Lick Creek Park, on Deer Run Trail. College Station, Texas, June 21, 2008
 Blooming yellow thistle (Bull thistle, Cirsium horridulum) in Lick Creek Park. College Station, Texas, April 5, 2019
 Thistle flower Park Hudson Trail. College Station, Texas, July 14, 2014
 Katydid on seeds of thistle in Lick Creek Park. College Station, Texas, July 15, 2014
 Crab spider on a thistle in Lick Creek Park. College Station, Texas, July 7, 2012
 Yellow thistle (Bull thistle, Cirsium horridulum) on a pipeline clearing in Lick Creek Park. College Station, Texas, March 24, 2021
 Rosette of leaves of yellow thistle (Bull thistle, Cirsium horridulum) in Lick Creek Park. College Station, Texas, January 10, 2024
 Seeds of yellow thistle (Bull thistle, Cirsium horridulum) on sewage line right-of-way in Lick Creek Park. College Station, Texas, May 2, 2023
 Yellow thistle (Bull thistle, Cirsium horridulum) on Post Oak Trail in Lick Creek Park. College Station, Texas, March 26, 2019
 Emerald flower scarab beetle (Metallic green flower scarab, Trichiotinus lunulatus(?)) on a flower of dewberry in Lick Creek Park. College Station, Texas, March 10, 2009
 Yellow thistle (Bull thistle, Cirsium horridulum) on a recently built pipeline in Lick Creek Park. College Station, Texas, April 12, 2021
 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
 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
 Frostweed and a thistle on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 17, 2013
 Florets of a thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, July 7, 2012
 Winter rosette of yellow thistle (Bull thistle, Cirsium horridulum) on a pipeline clearing in Lick Creek Park. College Station, Texas, February 25, 2021
 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
 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, March 11, 2021
 Side view of a large yellow flower of bull thistle (Cirsium horridulum) on a pipeline clearing in Lick Creek Park. College Station, Texas, March 24, 2021
 Summer-blooming thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, July 3, 2014
 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
 Large thorny rosette of yellow thistle (Bull thistle, Cirsium horridulum) on a pipeline clearing in Lick Creek Park. College Station, Texas, February 25, 2021
 Blooming thistle (Cirsium engelmannii?) on Iron Bridge Trail in Lick Creek Park. College Station, Texas, July 30, 2008
 Seeds of summer-blooming thistle (Cirsium engelmannii) near Raccoon Run Trail in Lick Creek Park. College Station, Texas, July 22, 2020
 Opening thistle flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2012
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