 Umbels of button snakeroot (rattlesnake master, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 20, 2012
 Flowers of button snakeroot (rattlesnake master, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 10, 2012
 Spiny flowers of button snakeroot (rattlesnake master, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 10, 2012
 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, June 10, 2012
 Blooming 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
 Spiny head of button snakeroot (rattlesnake master, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 20, 2012
 Button snakeroot (rattlesnake master, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 3, 2018
 Flower head of button snakeroot (rattlesnake master, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 3, 2018
 Button snakeroot (rattlesnake master, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, July 24, 2013
 Spiny button-like flower heads in umbels of button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek park, on Deer Run Trail. College Station, June 15, 2008
 Flower heads in umbels of button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 9, 2019
 Spiny button-like flowerheads of button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, May 22, 2012
 Spiny button-like flowerheads of button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 13, 2022
 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
 Flowers of button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, July 10, 2014
 Dry seed heads of Button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, October 11, 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
 Spiny flowerhead of Button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 9, 2019
 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
 Button snakeroot (Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, May 10, 2012
 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
 Button snakeroot (Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, July 10, 2014
 Hooker s eryngo (Eryngium hookeri) in Lick Creek Park. College Station, Texas, June 22, 2012
 Delta flower scarab beetles (Trigonopeltastes delta) on button snakeroot in Lick Creek Park. College Station, Texas, July 1, 2014
 Prickly flowers of Hooker s eryngo (Eryngium hookeri) in Lick Creek Park. College Station, Texas, July 3, 2014
 Boneset flowers (white snakeroot, Ageratina altissima) on Raccoon Run Trail in Lick Creek Park. College Station, Texas, October 15, 2020
 Hooker s eryngo (Eryngium hookeri) in Lick Creek Park. College Station, Texas, June 30, 2014
 Ruellia flowers in Lick Creek Park. College Station, Texas, June 30, 2012
 Button mushrooms (Agaricus) in Lick Creek Park. College Station, Texas, June 21, 2019
 Button of Amanita pubescens mushroom in Lick Creek Park. College Station, Texas, June 28, 2018
 Umbels of flowers of Angelica sylvestris (Russian name Dudnik) in fields west from Deviatkino. Saint Petersburg, Russia, July 20, 2012
 Coiled timber rattlesnake near a road in Lick Creek Park. College Station, Texas, September 21, 2018
 Hooker s eryngo (Eryngium hookeri) in Lick Creek Park. College Station, Texas, July 15, 2014
 Canadian black snakeroot (Sanicula canadensis) in Lick Creek Park. College Station, Texas, April 22, 2021
 Flower of Hooker s eryngo (Eryngium hookeri) in Lick Creek Park. College Station, Texas, July 3, 2014
 Leaves of Canadian black snakeroot (Sanicula canadensis) in Lick Creek Park. College Station, Texas, March 31, 2024
 Hooker s eryngo (Eryngium hookeri) on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 3, 2014
 White mistflower (Ageratina havanensis, Havana snakeroot) with a caterpillar in Lick Creek Park. College Station, Texas, October 19, 2008
 Meadow of flowers in Lick Creek Park. College Station, Texas, May 3, 2012
 Tradescantia flowers in Lick Creek Park. College Station, Texas, May 22, 2012
 Flowers of greenbrier (Smilax) in Bee Creek Park in College Station, Texas, June 21, 2012
 Various flowers near equestrian entrance in Lick Creek Park. College Station, Texas, May 18, 2012
 Various flowers near equestrian entrance in Lick Creek Park. College Station, Texas, May 7, 2012
 Various flowers at equestrian entrance in Lick Creek Park. College Station, Texas, May 7, 2012
 Flowers near equestrian entrance in Lick Creek Park. College Station, Texas, May 7, 2012
 Button lichen (Buellia) in Lick Creek Park. College Station, Texas, January 18, 2019
 Meadow pink flowers in Lick Creek Park. College Station, Texas, April 30, 2012
 Field of various flowers near equestrian entrance in Lick Creek Park. College Station, Texas, May 7, 2012
 Field of flowers near equestrian entrance in Lick Creek Park. College Station, Texas, May 7, 2012
 Yellow flowers near equestrian entrance in Lick Creek Park. College Station, Texas, May 7, 2012
 Coreopsis flowers at Post Oak Trail in Lick Creek Park. College Station, Texas, May 10, 2012
 Button of a mushroom Amanita pubescens in Lick Creek Park. College Station, Texas, October 3, 2018
 Multicolored flowers near the park entrance in Lick Creek Park. College Station, Texas, May 7, 2012
 White mistflower (Havana snakeroot, Ageratina havanensis, Eupatorium havanense) on Iron Bridge Trail in Lick Creek Park. College Station, Texas, October 3, 2008
 Mature black eyed susan flowers in Lick Creek Park. College Station, Texas, May 10, 2012
 Flowers along opening near Rock Prairie Road in Lick Creek Park. College Station, Texas, May 18, 2012
 Butterfly among yellow flowers near equestrian entrance in Lick Creek Park. College Station, Texas, May 7, 2012
 White and yellow flowers near equestrian entrance in Lick Creek Park. College Station, Texas, May 7, 2012
 Common button lichen (Buellia stillingiana) on an oak in Lick Creek Park. College Station, Texas, January 18, 2019
 Button mushrooms Agaricus sect. Xanthodermatei in Lick Creek Park. College Station, Texas, October 5, 2018
 Field of flowers of Rudbeckia hirta near equestrian entrance in Lick Creek Park. College Station, Texas, May 7, 2012
 Black eyed susan flowers at equestrian entrance in Lick Creek Park. College Station, Texas, May 7, 2012
 Field of Black eyed susan flowers in Lick Creek Park. College Station, Texas, April 30, 2012
 Dense field of yellow flowers near equestrian entrance in Lick Creek Park. College Station, Texas, May 7, 2012
 Flowers of Black eyed susan (Rudbeckia hirta) in Lick Creek Park. College Station, Texas, May 7, 2012
 Black-eyed susan flowers at equestrian entrance in Lick Creek Park. College Station, Texas, May 18, 2012
 Black-eyed susan flowers at Post Oak Trail in Lick Creek Park. College Station, Texas, May 18, 2012
 Black Eyed Susan (Rudbeckia hirta) flowers in Lick Creek Park. College Station, Texas, May 3, 2012
 Staminate flowers of cocklebur (Xanthium strumarium) in Lick Creek Park. College Station, Texas, September 16, 2012
 Flowers of bastard pennyroyal (Trichostema dichotomum) in Lick Creek Park. College Station, Texas, September 24, 2012
 Flowers of bastard pennyroyal (Trichostema dichotomum) in Lick Creek Park. College Station, Texas, October 11, 2012
 Common button lichen (Buellia stillingiana) on oak bark in Lick Creek Park. College Station, Texas, January 18, 2019
 Button stage (immature) mushrooms Amanita pubescens in Lick Creek Park. College Station, Texas, July 16, 2018
 Common button lichen (Buellia stillingiana) (black) in Lick Creek Park. College Station, Texas, January 18, 2019
 Close up of flowers of bastard pennyroyal (Trichostema dichotomum) in Lick Creek Park. College Station, Texas, October 11, 2012
 Back lit flowers of bastard pennyroyal (Trichostema dichotomum) in Lick Creek Park. College Station, Texas, October 11, 2012
 Flowers of Maryland meadow-beauty (Rhexia mariana) in Lick Creek Park. College Station, Texas, July 7, 2012
 Yellow flowers of Black eyed susan at equestrian entrance in Lick Creek Park. College Station, Texas, May 7, 2012
 Field of black eyed susan flowers near equestrian entrance in Lick Creek Park. College Station, Texas, May 18, 2012
 Flowers of upland swamp-privet (Forestiera ligustrina) in Lick Creek Park. College Station, Texas, August 31, 2012
 Yellow flowers of Black eyed susan near equestrian entrance in Lick Creek Park. College Station, Texas, May 7, 2012
 Yellow field of flowers of Rudbeckia hirta near equestrian entrance in Lick Creek Park. College Station, Texas, May 7, 2012
 Flowers of trailing fuzzy-bean (Strophostyles helvola) in Lick Creek Park. College Station, Texas, September 16, 2012
 Black-eyed susan and Mock Bishop s Weed flowers in Lick Creek Park. College Station, Texas, May 7, 2012
 Pepperwine in Lick Creek Park. College Station, Texas, June 20, 2012
 Ironweed in Lick Creek Park. College Station, Texas, June 30, 2012
 White mistflower (Havana snakeroot, Ageratina havanensis, Eupatorium havanense) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, October 16, 2024
 Small white flowers of water hyssop (Bacopa monnieri) on a lawn in Wolf Pen Creek Park in College Station, Texas, June 27, 2012
 Staminate flowers of upland swamp-privet (Forestiera ligustrina) in Lick Creek Park. College Station, Texas, October 11, 2012
 Back lit flowers of trailing fuzzy-bean (Strophostyles helvola) in Lick Creek Park. College Station, Texas, September 16, 2012
 Coreopsis flowers grown near bushes of yaupon holly near Post Oak Trail in Lick Creek Park. College Station, Texas, May 10, 2012
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