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
Hooker s eryngo (Eryngium hookeri) on Racoon Run Trail 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
Prickly flowers of Hooker s eryngo (Eryngium hookeri) in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 16, 2019
Dried Hooker s eryngo (Eryngium hookeri) near the trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 21, 2022
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
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
Flowers of button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, July 10, 2014
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
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
Button snakeroot (Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, July 10, 2014
Button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, July 10, 2014
Button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, July 1, 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
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
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
Hooker s evening primrose (Oenothera hookeri) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, September 11, 2008
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
Flowers of button snakeroot (rattlesnake master, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 10, 2012
Flowers of button snakeroot (rattlesnake master, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 3, 2018
Blue eryngo (Eryngium planum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 28, 2017
Blue eryngo (Eryngium planum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 18, 2016
Spiny flowers of button snakeroot (rattlesnake master, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 10, 2012
Umbels of flowers of button snakeroot (rattlesnake master, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 10, 2012
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
Flower heads of blue eryngo (Eryngium planum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 29, 2016
Dense apical umbel of flowers of button snakeroot (rattlesnake master, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 10, 2012
Button snakeroot (rattlesnake master, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, July 24, 2013
Blue eryngo (Eryngium planum) in Peter the Great Botanical Garden of Komarov Botanical Institute. Saint Petersburg, Russia, July 24, 2024
Solanum (nightshade) flowers in Lick Creek Park. College Station, Texas, July 22, 2014
Prickly seeds of Hedge Parsley (Torilis arvensis) in Lick Creek Park. College Station, Texas, May 19, 2014
Partridge pea (Cassia fasciculata) with flowers in Lick Creek Park. College Station, Texas, July 1, 2014
Flowers of sneezeweed (Helenium amarum) in Lick Creek Park. College Station, Texas, July 22, 2014
Flowers of green milkweed (Asclepias obovata(?)) taken from Lick Creek Park. College Station, Texas, July 29, 2014
Green milkweed (Asclepias obovata(?)) with flowers taken from Lick Creek Park. College Station, Texas, July 29, 2014
Emerging flowers of green milkweed (Asclepias obovata(?)) taken from Lick Creek Park. College Station, Texas, July 29, 2014
Close up of flowers of green milkweed (Asclepias obovata(?)) taken from Lick Creek Park. College Station, Texas, July 29, 2014
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
Blue eryngo (Eryngium planum in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, August 22, 2013
Flowers of pigeon-berry (Rivina humilis, rouge-plant, baby peppers) in Lick Creek Park. College Station, Texas, July 15, 2014
Button snakeroot (Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, May 10, 2012
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
Button snakeroot (rattlesnake master, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 10, 2012
Button snakeroot (rattlesnake master, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 3, 2018
Umbels of button snakeroot (rattlesnake master, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 20, 2012
Blooming button snakeroot (rattlesnake master, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 10, 2012
Flower head of button snakeroot (rattlesnake master, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 3, 2018
Spiny head of button snakeroot (rattlesnake master, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 20, 2012
Button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 4, 2010
Button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 9, 2019
Button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) with a butterfly in dew in Lick Creek Park. College Station, Texas, June 1, 2010
Spiny flowerhead of Button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, June 15, 2008
Dry seed heads of Button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, October 11, 2012
Spiny flowerhead of Button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 9, 2019
Meadow pink flowers in Lick Creek Park. College Station, Texas, May 20, 2014
Pink Ruellia like flowers near a creek in Lemontree Park. College Station, Texas, July 27, 2014
Flower heads in umbels of button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 9, 2019
Pink Ruellia like flowers found near a creek in Lemontree Park. College Station, Texas, July 27, 2014
Shoot of greenbrier (prickly-ivy, smilax) in Lick Creek Park. College Station, Texas, May 10, 2012
Blooming prickly pears (Opuntia) in Lick Creek Park. College Station, Texas, May 4, 2023
Yellow flowers of evening primrose (Oenothera hookeri) in the Gardens at Texas A and M University. College Station, Texas, August 10, 2021
Young leaves of greenbrier (prickly-ivy, smilax) in Lick Creek Park. College Station, Texas, May 10, 2012
Prickly shoot of dewberry (Rubus) in Lick Creek Park. College Station, Texas, March 29, 2009
Prickly peas (Opuntia) cactus in Lick Creek Park. College Station, Texas, December 18, 2018
Back lit shoot of greenbrier (prickly-ivy, smilax) in Lick Creek Park. College Station, Texas, May 10, 2012
Flowers of Mock Bishop s Weed (Ptilimnium nuttali) in Lick Creek Park. College Station, Texas, May 20, 2014
Spiny button-like flowerheads of button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, May 22, 2012
Yellow flower of prickly pear cactus (Opuntia) in Lick Creek Park. College Station, Texas, May 7, 2020
Flower of prickly pear cactus (Opuntia engelmanii(?)) in Lick Creek Park. College Station, Texas, May 4, 2020
Blooming prickly pear cactus (Opuntia engelmanii(?)) in Lick Creek Park. College Station, Texas, May 4, 2020
Yellow flowers of Evening primrose (Oenothera hookeri) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, September 3, 2009
Spiny button-like flowerheads of button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 13, 2022
White flowers of honeysuckle in Lick Creek Park. College Station, Texas, July 24, 2013
Bud of thistle in Lick Creek Park. College Station, Texas, July 15, 2014
Yellow flower of prickly pear cactus (Opuntia engelmanii(?)) with a bee in Lick Creek Park. College Station, Texas, May 4, 2020
Spiny button-like flowerheads of button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) near Deer Run Trail in Lick Creek Park. College Station, Texas, June 8, 2008
Leaf of peppervine in Lick Creek Park. College Station, Texas, July 10, 2014
Bark beetle taken from Lick Creek Park. College Station, Texas, July 26, 2014
Blister beetle taken from Lick Creek Park. College Station, Texas, July 26, 2014
Blooming thistle in Lick Creek Park. College Station, Texas, July 15, 2014
Ironclad beetle taken from Lick Creek Park. College Station, Texas, July 26, 2014
Racoon Run Trail in Lick Creek Park. College Station, Texas, July 3, 2014
Berries of pepperbush in Lick Creek Park. College Station, Texas, July 15, 2014
Seeds of thistle in Lick Creek Park. College Station, Texas, July 15, 2014
Large coneflower in Lick Creek Park. College Station, Texas, July 1, 2014
Bark of water oak in Lick Creek Park. College Station, Texas, July 3, 2014
Dry spikelet of grass in Lick Creek Park. College Station, Texas, July 26, 2014
Bumblebee on thistle in Lick Creek Park. College Station, Texas, July 26, 2014
Close up of berries of greenbrier vine (prickly-ivy, smilax, sarsaparilla) in Lick Creek Park. College Station, Texas, November 6, 2012
Dark berries of greenbrier vine (prickly-ivy, smilax, sarsaparilla) taken from Lick Creek Park. College Station, Texas, November 1, 2012
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