 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, June 8, 2008
 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
 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) 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, 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
 Flower heads in umbels 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, July 10, 2014
 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
 Close up 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
 Flower heads of button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, July 1, 2014
 Spiny head of button snakeroot (rattlesnake master, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 20, 2012
 Spiny 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 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 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
 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 (Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, May 10, 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
 White mistflower (Havana snakeroot, Ageratina havanensis, Eupatorium havanense) on Iron Bridge Trail in Lick Creek Park. College Station, Texas, October 3, 2008
 Canadian black snakeroot (Sanicula canadensis) in Lick Creek Park. College Station, Texas, April 22, 2021
 Leaves of Canadian black snakeroot (Sanicula canadensis) in Lick Creek Park. College Station, Texas, March 31, 2024
 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) 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
 Flowerhead of sneezeweed (bitterweed, Helenium amarum) with down-flexed petals in dew in Lick Creek Park, with yellow ray flowers that bend downward. College Station, Texas, September 30, 2008
 Disk-shaped abdomen of crab spider (crablike spiny orb weaver, Gasteracantha elipsoides) on its net in Lick Creek Park, on Iron Bridge Trail. College Station, Texas, June 21, 2008
 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
 Spiny flower bud of a thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, June 20, 2012
 Spiny globular flower bud of a thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, June 10, 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
 Green seeds with hooks of black snakeroot (Sanicula marilandica) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Big spiny spider in Lick Creek Park. College Station, Texas, April 11, 2010
 Big spiny spider with a crane fly in Lick Creek Park. College Station, Texas, April 11, 2010
 Hooker s eryngo (Eryngium hookeri) in Lick Creek Park. College Station, Texas, July 15, 2014
 Spiny puffball mushrooms (Lycoperdon americanum) in Lick Creek Park. College Station, Texas, May 24, 2018
 Big spiny spider eating a crane fly in Lick Creek Park. College Station, Texas, April 11, 2010
 Flower of Hooker s eryngo (Eryngium hookeri) in Lick Creek Park. College Station, Texas, July 3, 2014
 Leaves of Canadian black snakeroot (Sanicula canadensis) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, April 16, 2019
 Spiny spider eating black swallowtail butterflies in Lick Creek Park. College Station, Texas, May 13, 2010
 Hooker s eryngo (Eryngium hookeri) on Racoon Run Trail 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
 White mistflower (Ageratina havanensis, Havana snakeroot) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, October 15, 2022
 Leaves of Canadian black snakeroot (Sanicula canadensis) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, April 16, 2022
 Shoots of Canadian black snakeroot (Sanicula canadensis) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, April 16, 2022
 Spiny puffball mushrooms (Lycoperdon americanum) on sandy roadside in Lick Creek Park. College Station, Texas, May 24, 2018
 Blooming white mistflower (Ageratina havanensis, Havana snakeroot) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, October 15, 2022
 Prickly seeds with hooks of Canadian black snakeroot (Sanicula canadensis) in Antique Rose Emporium. Independence, Texas, July 2, 2022
 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
 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
 Button lichen (Buellia) in Lick Creek Park. College Station, Texas, January 18, 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
 White mistflower (Havana snakeroot, Ageratina havanensis, Eupatorium havanense) on Richards Loop Trail in Sam Houston National Forest. Texas, October 20, 2024
 Spiny branches of Coral fungus (Hericium coralloides mushroom) growing from a rotten log in Lick Creek Park. College Station, Texas, November 16, 2013
 Button of a mushroom Amanita pubescens in Lick Creek Park. College Station, Texas, October 3, 2018
 Button mushrooms Agaricus sect. Xanthodermatei in Lick Creek Park. College Station, Texas, October 5, 2018
 Common button lichen (Buellia stillingiana) on an oak in Lick Creek Park. College Station, Texas, January 18, 2019
 Sneezeweed flower in Lick Creek Park. College Station, Texas, June 8, 2008
 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
 Button stage (immature) mushrooms Amanita pubescens in Lick Creek Park. College Station, Texas, July 16, 2018
 Dry black eyed susan flower in Lick Creek Park. College Station, June 15, 2008
 Seed head of Texas dandelion in Lick Creek Park. College Station, June 15, 2008
 Prairie Gaillardia in Lick Creek park, on Deer Run Trail. College Station, June 15, 2008
 Blue spiderwort (tradescantia) flowers in Lick Creek Park. College Station, Texas, June 8, 2008
 Ivy leaf Morning glory (Ipomoea cordatotriloba) in Lick Creek Park. College Station, June 15, 2008
 Maryland meadow-beauty (Rhexia mariana) in Lick Creek Park. College Station, June 15, 2008
 Seeds of Wild Carrot (Daucus pusillus) in Lick Creek Park. College Station, June 14, 2008
 Emerging thistle flower in Lick Creek park, on Iron Bridge Trail. College Station, June 15, 2008
 Opening thistle flower in Lick Creek park, on Iron Bridge Trail. College Station, June 15, 2008
 Dried black eyed susan flower in Lick Creek Park. College Station, Texas, June 8, 2008
 Dandelion seed head near Deer Run Trail in Lick Creek Park. College Station, Texas, June 8, 2008
 Narrow-leaf water-primrose (Ludwigia octovalvis) with dew in Lick Creek Park. College Station, June 15, 2008
 Sepals of shrubby water-primrose (Ludwigia octovalvis) in Lick Creek Park. College Station, June 15, 2008
 Passion flower (passiflora, maypop) in Lick Creek park, on Deer Run Trail. College Station, June 15, 2008
 Violet ruella (Ruellia caroliniensis) flower in Lick Creek Park. College Station, Texas, June 8, 2008
 Butterfly pea (Centrosema virginianum) flower in Lick Creek park, on Deer Run Trail. College Station, June 15, 2008
 Flower of shrubby water-primrose (Ludwigia octovalvis) in Lick Creek Park. College Station, June 15, 2008
 Flower of a thistle (Cirsium engelmannii(?)) near Deer Run Trail in Lick Creek Park. College Station, Texas, June 8, 2008
 Longhorned beetle (Strangalia) on yellow daisy in Lick Creek park, on Deer Run Trail. College Station, June 15, 2008
 Western horse nettle (Potato-weed, Solanum dimidiatum) in Lick Creek Park. College Station, June 15, 2008
 Western ironweed (Vernonia texana) in Lick Creek Park, on Deer Run Trail. College Station, Texas, June 21, 2008
 Sleepy-daisy (Xanthisma texanum) at morning in Lick Creek Park, on Post Oak Trail. College Station, Texas, June 21, 2008
 Flower head of Western ironweed (Vernonia baldwini) in Lick Creek park, on Deer Run Trail. College Station, June 15, 2008
 Green lynx spider on sleepy-daisy in Lick Creek Park, on Post Oak Trail. College Station, Texas, June 21, 2008
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