 Hooker s eryngo (Eryngium hookeri) in Lick Creek Park. College Station, Texas, July 15, 2014
 Flower of Hooker s eryngo (Eryngium hookeri) in Lick Creek Park. College Station, Texas, July 3, 2014
 Prickly flowers of Hooker s eryngo (Eryngium hookeri) in Lick Creek Park. College Station, Texas, July 3, 2014
 Hooker s eryngo (Eryngium hookeri) in Lick Creek Park. College Station, Texas, June 30, 2014
 Hooker s eryngo (Eryngium hookeri) in Lick Creek Park. College Station, Texas, June 22, 2012
 Hooker s eryngo (Eryngium hookeri) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Dried Hooker s eryngo (Eryngium hookeri) near the trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 21, 2022
 Hooker s eryngo (Eryngium hookeri) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 14, 2019
 Dodder (Cuscuta) on Hooker s eryngo (Eryngium hookeri) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Formerly flooded area overgrown by Hooker s eryngo (Eryngium hookeri) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Hooker s eryngo (Eryngium hookeri) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, June 14, 2020
 Dry flowers of Hooker s eryngo (Eryngium hookeri) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 9, 2020
 Prickly flowers of Hooker s eryngo (Eryngium hookeri) in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 16, 2019
 Racoon Run Trail in Lick Creek Park. College Station, Texas, July 3, 2014
 Button snakeroot (Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, July 10, 2014
 Rotten log on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 3, 2014
 Spanish moss on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 3, 2014
 Shoot of greenbrier (Smilax) on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 3, 2014
 Button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, July 1, 2014
 Button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, July 10, 2014
 Flowers of button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, July 10, 2014
 Close up of button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, July 1, 2014
 Flower heads of button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, July 1, 2014
 Hooker s evening primrose (Oenothera hookeri) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, September 11, 2008
 Hooker s evening primrose (Oenothera hookeri) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, August 3, 2009
 Hooker s evening primrose (Oenothera hookeri) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, September 8, 2009
 Yellow flower of Hooker s evening primrose (Oenothera hookeri) at sunrise in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, August 29, 2008
 Close-up of yellow flowers of Hooker s evening primrose (Oenothera hookeri) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, September 5, 2008
 Large yellow flowers of Hooker s evening primrose (Oenothera hookeri) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, August 26, 2008
 Blue eryngo (Eryngium planum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 18, 2016
 Blue eryngo (Eryngium planum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 28, 2017
 Lick Creek near Iron Bridge Trail near Racoon Run Trail crossing in Lick Creek Park. College Station, Texas, July 15, 2013
 Bottom of Lick Creek near Iron Bridge Trail near Racoon Run Trail crossing in Lick Creek Park. College Station, Texas, July 15, 2013
 Canyon of Lick Creek near Iron Bridge Trail near Racoon Run Trail crossing in Lick Creek Park. College Station, Texas, July 15, 2013
 Large yellow flower on a stout erect stem of Hooker s evening primrose (Oenothera hookeri) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, August 26, 2008
 Large yellow flower of Hooker s evening primrose (Oenothera hookeri) and thick cylindrical ovaries behind it in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, October 21, 2008
 Oxbow near Racoon Run Trail in Lick Creek Park. College Station, Texas, July 15, 2013
 Flower heads of blue eryngo (Eryngium planum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 29, 2016
 Resurrection fern on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 17, 2013
 Bark of a tree on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 17, 2013
 Tree with a web tunnel on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 17, 2013
 Bark of dead oak on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 17, 2013
 Blooming cassia on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 15, 2013
 Frostweed and a thistle on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 17, 2013
 Flowers of creeping Eryngo (Eryngium prostratum) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville. Texas, June 19, 2019
 Button snakeroot (rattlesnake master, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, July 24, 2013
 Rotten tree bark on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 17, 2013
 Rough tree bark on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 17, 2013
 Chinaberry(?) tree bark on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 17, 2013
 Patterns of bark of dead oak on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 17, 2013
 Tree bark with lichens on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 17, 2013
 Mushrooms Boletus harrisonii near Racoon Run Trail in Lick Creek Park. College Station, Texas, July 2, 2021
 Bark of Mexican plum(?) on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 17, 2013
 Tree damaged by beetles on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 28, 2013
 Texture of bark of dry oak tree on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 17, 2013
 Brown tree bark on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 28, 2013
 Bark of a dead tree on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 17, 2013
 Bark of Mexican plum(?) on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 30, 2013
 Texture of a dead tree on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 30, 2013
 Bark of chinaberry tree on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 28, 2013
 Rattan vine (Berchemia scandens) on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 17, 2013
 Tree with sapsucker holes (sapwells) on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 30, 2013
 Tree with sapsucker holes (sapwells) on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 17, 2013
 Bark of Mexican plum with oozing gum on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 17, 2013
 Bark of black cherry(?) on Iron Bridge Trail near crossing with Racoon Run Trail in Lick Creek Park. College Station, Texas, July 17, 2013
 Blue eryngo (Eryngium planum) in Peter the Great Botanical Garden of Komarov Botanical Institute. Saint Petersburg, Russia, July 24, 2024
 Spiny button-like flowerheads of button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) near Deer Run Trail in Lick Creek Park. College Station, Texas, July 4, 2013
 Curly strands of spanish moss (Tillandsia usneoides) on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 17, 2013
 Sugarberry (hackberry, Celtis laevigata) tree bark on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 17, 2013
 Boardwalk overgrown by wood oats (Chasmanthium latifolium) on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 17, 2013
 Creeping Eryngo (Eryngium prostratum) near a pine forest on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville. Texas, June 19, 2019
 Climbing vine of Canadian moonseed (Yellow Parilla, Menispermum canadense) on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 17, 2013
 Line of holes bored by Yellow-Bellied Sapsucker birds (sapwells) in a tree bark on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 17, 2013
 Gold dust lichen Chrysothrix xanthina and some green lichen on tree bark on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 17, 2013
 Blue eryngo (Eryngium planum in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, August 22, 2013
 Button snakeroot (Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, May 10, 2012
 Pipeline right of way on Racoon Run Trail in Lick Creek Park. College Station, Texas, May 3, 2024
 Vegetation on Racoon Run Trail in Lick Creek Park. College Station, Texas, May 15, 2022
 Oxbow near Racoon Run Trail in Lick Creek Park. College Station, Texas, May 3, 2024
 Oxbow near Racoon Run Trail in Lick Creek Park. College Station, Texas, May 15, 2022
 Racoon Run Trail in Lick Creek Park. College Station, Texas, February 27, 2023
 Oxbow near Racoon Run Trail in Lick Creek Park. College Station, Texas, December 17, 2008
 Vines near Racoon Run Trail in Lick Creek Park. College Station, Texas, March 16, 2009
 Boardwalk of Racoon Run Trail in Lick Creek Park. College Station, Texas, December 17, 2008
 Vines near Racoon Run Trail in Lick Creek Park, in fog. College Station, Texas, March 16, 2009
 View from Racoon Run Trail in Lick Creek Park. College Station, Texas, December 17, 2008
 Elm seedlings on Racoon Run Trail in Lick Creek Park. College Station, Texas, April 27, 2023
 Swamp near Racoon Run Trail in Lick Creek Park. College Station, Texas, December 17, 2008
 Oxbow near Racoon Run Trail in Lick Creek Park. College Station, Texas, March 16, 2009
 Boardwalk of Racoon Run Trail after a rain in Lick Creek Park. College Station, Texas, May 3, 2024
 Copperhead snake on Racoon Run Trail in Lick Creek Park. College Station, Texas, May 3, 2024
 Oxbow near Racoon Run Trail in Lick Creek Park. College Station, Texas, November 27, 2008
 Racoon Run Trail in mist in Lick Creek Park. College Station, Texas, October 23, 2024
 Oxbow near Racoon Run Trail in Lick Creek Park. College Station, Texas, April 27, 2023
 View of pipeline right of way on Racoon Run Trail in Lick Creek Park. College Station, Texas, May 3, 2024
 Fallen oak on pipeline right of way on Racoon Run Trail in Lick Creek Park. College Station, Texas, May 3, 2024
 Oxbow on Racoon Run Trail in Lick Creek Park. College Station, Texas, November 4, 2009
 Boardwalk of Racoon Run Trail in Lick Creek Park, in fog. College Station, Texas, March 16, 2009
 Oxbow near Racoon Run Trail in Lick Creek Park. College Station, Texas, January 9, 2010
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