 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 of button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, July 1, 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 9, 2019
 Spiny flowerhead of Button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 9, 2019
 Button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 4, 2010
 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
 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 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) near Deer Run Trail in Lick Creek Park. College Station, Texas, July 4, 2013
 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
 Flowers of button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, July 10, 2014
 Umbels of button snakeroot (rattlesnake master, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 20, 2012
 Umbels of flowers of 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
 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, June 10, 2012
 Flowers of button snakeroot (rattlesnake master, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 3, 2018
 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 10, 2012
 Button snakeroot (Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, May 10, 2012
 Spiny flowers of button snakeroot (rattlesnake master, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 10, 2012
 Spiny head of button snakeroot (rattlesnake master, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 20, 2012
 Button snakeroot (Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, July 10, 2014
 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
 Delta flower scarab beetles (Trigonopeltastes delta) on button snakeroot in Lick Creek Park. College Station, Texas, July 1, 2014
 White mistflower (Ageratina havanensis, Havana snakeroot) with a caterpillar in Lick Creek Park. College Station, Texas, October 19, 2008
 Boneset flowers (white snakeroot, Ageratina altissima) on Raccoon Run Trail in Lick Creek Park. College Station, Texas, October 15, 2020
 White mistflower (Havana snakeroot, Ageratina havanensis, Eupatorium havanense) on Iron Bridge Trail in Lick Creek Park. College Station, Texas, October 3, 2008
 Button mushrooms (Agaricus) in Lick Creek Park. College Station, Texas, June 21, 2019
 Flower of Hooker s eryngo (Eryngium hookeri) 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
 Hooker s eryngo (Eryngium hookeri) in Lick Creek Park. College Station, Texas, June 22, 2012
 Hooker s eryngo (Eryngium hookeri) in Lick Creek Park. College Station, Texas, June 30, 2014
 Immature flower heads of buttonbush (Cephalanthus occidentalis) near Nature Center in Lick Creek Park. College Station, Texas, July 11, 2020
 Thistle (Cirsium engelmannii) heads in Lick Creek Park. College Station, Texas, June 22, 2012
 Button lichen (Buellia) in Lick Creek Park. College Station, Texas, January 18, 2019
 Silky flower heads of fragrant cudweed (sweet everlasting, Pseudognaphalium obtusifolium) on Racoon Run Trail in Lick Creek Park. College Station, Texas, October 19, 2008
 Hemispherical reproductive heads of a liverwort Reboulia hemisphaerica on Post Oak Trail in Lick Creek Park. College Station, Texas, February 24, 2019
 Reproductive heads of hemispheric liverwort (Reboulia hemisphaerica) on Post Oak Trail in Lick Creek Park. College Station, Texas, February 24, 2019
 Button of Amanita pubescens mushroom in Lick Creek Park. College Station, Texas, June 28, 2018
 Common button lichen (Buellia stillingiana) on an oak in Lick Creek Park. College Station, Texas, January 18, 2019
 Common button lichen (Buellia stillingiana) on oak bark in Lick Creek Park. College Station, Texas, January 18, 2019
 Common button lichen (Buellia stillingiana) (black) in Lick Creek Park. College Station, Texas, January 18, 2019
 Small Coreopsis flower in Lick Creek Park. College Station, Texas, June 9, 2019
 Dry seed heads in Lick Creek Park. College Station, Texas, May 4, 2011
 Flower heads of blue eryngo (Eryngium planum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 29, 2016
 Flower and fluffy seed heads of firewheel (Gaillardia pulchella) near the creek under power lines in Bee Creek Park. College Station, Texas, July 21, 2020
 Hooker s eryngo (Eryngium hookeri) in Lick Creek Park. College Station, Texas, July 15, 2014
 Prickly flowers 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
 Seed heads of Texas dandelions in Lick Creek Park. College Station, Texas, May 3, 2012
 Button of a mushroom Amanita pubescens in Lick Creek Park. College Station, Texas, October 3, 2018
 Button mushrooms (Agaricus) in Wolf Pen Creek Park. College Station, Texas, April 24, 2019
 Green seed heads of fragrant flatsedge (Cyperus odoratus) on a new cutting in Lick Creek Park. College Station, Texas, August 2, 2018
 Dry seed heads of spotted beebalm (Monarda punctata) on a sewage line right of way in Lick Creek Park. College Station, Texas, July 18, 2020
 Seed heads of bunchy, or many-spiked sedge (Cyperus polystachyos) on a new cutting in Lick Creek Park. College Station, Texas, August 2, 2018
 Button mushrooms Agaricus sect. Xanthodermatei in Lick Creek Park. College Station, Texas, October 5, 2018
 Dry seed heads of Black eyed susan (Rudbeckia hirta) in dew from Post Oak Trail in Lick Creek Park. College Station, Texas, October 30, 2012
 Button stage (immature) mushrooms Amanita pubescens in Lick Creek Park. College Station, Texas, July 16, 2018
 Red-banded Hairstreak (Calycopis cecrops) butterfly on white mistflower (Havana snakeroot, Ageratina havanensis, Eupatorium havanense) on Caney Creek Trail in Sam Houston National Forest, near Huntsville. Texas, October 18, 2009
 Close up of a blackberry flower in Lick Creek Park. College Station, Texas, March 11, 2019
 Sneezeweed flower in Lick Creek Park. College Station, Texas, June 8, 2008
 Coreopsis flower in Lick Creek Park. College Station, Texas, June 6, 2012
 Little wood satyr butterfly, Hermeuptychia (Euptychia) hermes, on white mistflower (Havana snakeroot, Ageratina havanensis, Eupatorium havanense) on Caney Creek Trail in Sam Houston National Forest, near Huntsville. Texas, October 18, 2009
 Flower of butterfly pea (Centrosema virginianum) in Lick Creek Park. College Station, Texas, July 21, 2019
 Close up of tradescantia flower in Lick Creek Park. College Station, Texas, June 6, 2012
 Asymmetric flower of partridge pea (Cassia fasciculata) in Lick Creek Park. College Station, Texas, July 21, 2019
 Dry black eyed susan flower in Lick Creek Park. College Station, Texas, June 14, 2012
 Flower of Butterfly pea (Centrosema virginianum) in Lick Creek Park. College Station, Texas, June 14, 2012
 Flower of thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, June 22, 2012
 Passion flower (Passiflora foetida) in dew in Lick Creek Park. College Station, Texas, June 22, 2012
 Thistle (Cirsium engelmannii) flower in Lick Creek Park. College Station, Texas, June 30, 2012
 Passion flower (Passiflora foetida) in Lick Creek Park. College Station, Texas, June 20, 2012
 Passion flower in Lick Creek park, on Deer Run Trail. College Station, Texas, June 10, 2007
 Flower of thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, June 26, 2012
 Flower bud of a thistle on Iron Bridge in Lick Creek Park. College Station, Texas, June 8, 2010
 Thistle (Cirsium engelmannii) flower bud in Lick Creek Park. College Station, Texas, June 10, 2012
 Winecup flower (Callirhoe) on Yaupon Loop Trail in Lick Creek Park. College Station, Texas, April 21, 2019
 Blue flower of spiderwort (Tradescantia) on Post Oak Trail in Lick Creek Park. College Station, Texas, April 5, 2019
 Close up of a flower of thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, June 22, 2012
 Spiny flower bud of a thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, June 20, 2012
 Close up of passion flower (Passiflora foetida) in Lick Creek Park. College Station, Texas, June 22, 2012
 Blooming Passion flower (Passiflora foetida) in Lick Creek Park. College Station, Texas, June 22, 2012
 Dry head of black eyed susan flower in Lick Creek Park. College Station, Texas, June 20, 2012
 Globular flower bud of a thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, June 10, 2012
 Thistle (Cirsium engelmannii) flower buds in Lick Creek Park. College Station, Texas, June 10, 2012
 Leaves and a flower of Butterfly pea (Centrosema virginianum) in Lick Creek Park. College Station, Texas, June 14, 2012
 Dried black eyed susan flower in Lick Creek Park. College Station, Texas, June 8, 2008
 Close up of a thistle (Cirsium engelmannii) flower bud in Lick Creek Park. College Station, Texas, June 10, 2012
 Violet ruella (Ruellia caroliniensis) flower in Lick Creek Park. College Station, Texas, June 8, 2008
 Close up of a flower of Butterfly pea (Centrosema virginianum) in Lick Creek Park. College Station, Texas, June 14, 2012
 Flower heads of ten-angle pipewort (Eriocaulon decangulare) on a swampy field on a property at 5369 Farm to Market Road 770 near Kountze. Texas, June 8, 2019
 Bur-like seed capsules with hooks of Canadian black snakeroot (Sanicula canadensis) on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
 Side view of Passion flower (Passiflora foetida) in Lick Creek Park. College Station, Texas, June 20, 2012
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