 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, 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
 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, 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 9, 2019
 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, June 4, 2010
 Button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) with a butterfly in dew in Lick Creek Park. College Station, Texas, June 1, 2010
 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
 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
 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 (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
 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
 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
 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
 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
 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
 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
 Button mushrooms (Agaricus) in Lick Creek Park. College Station, Texas, June 21, 2019
 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
 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 flower bud of a thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, June 20, 2012
 Button lichen (Buellia) in Lick Creek Park. College Station, Texas, January 18, 2019
 Spiny globular flower bud of a thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, June 10, 2012
 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
 Button of Amanita pubescens mushroom in Lick Creek Park. College Station, Texas, June 28, 2018
 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
 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
 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
 Big spiny spider eating a crane fly in Lick Creek Park. College Station, Texas, April 11, 2010
 Spiny puffball mushrooms (Lycoperdon americanum) in Lick Creek Park. College Station, Texas, May 24, 2018
 Flower of Hooker s eryngo (Eryngium hookeri) in Lick Creek Park. College Station, Texas, July 3, 2014
 Button mushrooms (Agaricus) in Wolf Pen Creek Park. College Station, Texas, April 24, 2019
 Spiny spider eating black swallowtail butterflies in Lick Creek Park. College Station, Texas, May 13, 2010
 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
 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
 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
 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
 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
 Button stage (immature) mushrooms Amanita pubescens in Lick Creek Park. College Station, Texas, July 16, 2018
 Mycena mushrooms under a log in Lick Creek Park. College Station, Texas, June 25, 2019
 Various lichens on oak bark in Lick Creek Park. College Station, Texas, June 17, 2019
 Butterfly pea (Centrosema virginianum) in Lick Creek Park. College Station, Texas, June 9, 2019
 Small Coreopsis flower in Lick Creek Park. College Station, Texas, June 9, 2019
 Brittlegill (Russula) mushrooms in Lick Creek Park. College Station, Texas, June 28, 2019
 Mycena mushrooms in a wet area in Lick Creek Park. College Station, Texas, June 25, 2019
 Mushrooms Hohenbuehelia petaloides in Lick Creek Park. College Station, Texas, June 28, 2019
 Milkcap (Lactarius) mushrooms in Lick Creek Park. College Station, Texas, June 18, 2019
 Lecanora lichen on a small oak in Lick Creek Park. College Station, Texas, June 17, 2019
 Mushrooms Amanita pubescens in Lick Creek Park. College Station, Texas, June 21, 2019
 Pink flowers of tephrosia in dew in Lick Creek Park. College Station, Texas, June 9, 2019
 Lecanora lichen in wet condition in Lick Creek Park. College Station, Texas, June 17, 2019
 Red brittlegill mushrooms (Russula) in Lick Creek Park. College Station, Texas, June 30, 2019
 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
 Foliose lichens on a fallen oak twig in Lick Creek Park. College Station, Texas, June 18, 2019
 Polypore mushrooms Nigroporus vinosus in Lick Creek Park. College Station, Texas, June 18, 2019
 Pinkgill mushrooms Entoloma strictius in Lick Creek Park. College Station, Texas, June 25, 2019
 Various foliose lichens on a fallen oak twig in Lick Creek Park. College Station, Texas, June 18, 2019
 Yellow corticioid fungus (Hypoxylaceae) in Lick Creek Park. College Station, Texas, June 9, 2019
 Underside of milkcap (Lactarius) mushrooms in Lick Creek Park. College Station, Texas, June 18, 2019
 Purple Pleatleaf (Alophia drummondii) in Lick Creek Park. College Station, Texas, June 9, 2019
 Ramalina(?) lichen on a fallen twig of oak in Lick Creek Park. College Station, Texas, June 17, 2019
 Lecanora and Buellia lichens on a small oak in Lick Creek Park. College Station, Texas, June 17, 2019
 Various lichens on bark of a fallen oak branch in Lick Creek Park. College Station, Texas, June 17, 2019
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