![](../../pictures/archives/compress/2014/1448/jpeg/07t.jpg) Button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, July 1, 2014
![](../../pictures/archives/compress/2014/1448/jpeg/15t.jpg) Close up of button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, July 1, 2014
![](../../pictures/archives/compress/2014/1453/jpeg/02t.jpg) Flowers of button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, July 10, 2014
![](../../pictures/archives/compress/2014/1448/jpeg/10t.jpg) Flower heads of button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, July 1, 2014
![](../../pictures/archives/compress/2013/1227/jpeg/01t.jpg) 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
![](../../pictures/archives/compress/2012/1061/jpeg/21t.jpg) Spiny button-like flowerheads of button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, May 22, 2012
![](../../pictures/archives/compress/2022/3176/jpeg/18t.jpg) Spiny button-like flowerheads of button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 13, 2022
![](../../pictures/archives/compress/2008/650/jpeg/22t.jpg) 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
![](../../pictures/archives/compress/2010/866/jpeg/16t.jpg) Button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 4, 2010
![](../../pictures/archives/compress/2019/2525/jpeg/11t.jpg) Button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 9, 2019
![](../../pictures/archives/compress/2008/652/jpeg/11t.jpg) 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
![](../../pictures/archives/compress/2010/865/jpeg/22t.jpg) Button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) with a butterfly in dew in Lick Creek Park. College Station, Texas, June 1, 2010
![](../../pictures/archives/compress/2008/652/jpeg/01t.jpg) Spiny flowerhead of Button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, June 15, 2008
![](../../pictures/archives/compress/2012/1110/jpeg/21t.jpg) Dry seed heads of Button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, October 11, 2012
![](../../pictures/archives/compress/2019/2525/jpeg/09t.jpg) Spiny flowerhead of Button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 9, 2019
![](../../pictures/archives/compress/2019/2525/jpeg/10t.jpg) Flower heads in umbels of button snakeroot (yuccaleaf snakeroot, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 9, 2019
![](../../pictures/archives/compress/2014/1452/jpeg/25t.jpg) Button snakeroot (Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, July 10, 2014
![](../../pictures/archives/compress/2013/1232/jpeg/05t.jpg) Button snakeroot (rattlesnake master, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, July 24, 2013
![](../../pictures/archives/compress/2012/1053/jpeg/03t.jpg) Button snakeroot (Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, May 10, 2012
![](../../pictures/archives/compress/2012/1068/jpeg/18t.jpg) Button snakeroot (rattlesnake master, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 10, 2012
![](../../pictures/archives/compress/2018/2280/jpeg/10t.jpg) Button snakeroot (rattlesnake master, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 3, 2018
![](../../pictures/archives/compress/2018/2280/jpeg/13t.jpg) Flowers of button snakeroot (rattlesnake master, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 3, 2018
![](../../pictures/archives/compress/2012/1068/jpeg/14t.jpg) Flowers of button snakeroot (rattlesnake master, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 10, 2012
![](../../pictures/archives/compress/2012/1071/jpeg/23t.jpg) Umbels of button snakeroot (rattlesnake master, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 20, 2012
![](../../pictures/archives/compress/2012/1068/jpeg/15t.jpg) Blooming button snakeroot (rattlesnake master, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 10, 2012
![](../../pictures/archives/compress/2012/1068/jpeg/21t.jpg) Umbels of flowers of button snakeroot (rattlesnake master, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 10, 2012
![](../../pictures/archives/compress/2018/2280/jpeg/14t.jpg) Flower head of button snakeroot (rattlesnake master, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 3, 2018
![](../../pictures/archives/compress/2012/1071/jpeg/22t.jpg) Spiny head of button snakeroot (rattlesnake master, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 20, 2012
![](../../pictures/archives/compress/2012/1068/jpeg/16t.jpg) Spiny flowers of button snakeroot (rattlesnake master, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 10, 2012
![](../../pictures/archives/compress/2012/1068/jpeg/13t.jpg) Dense apical umbel of flowers of button snakeroot (rattlesnake master, Eryngium yuccifolium) in Lick Creek Park. College Station, Texas, June 10, 2012
![](../../pictures/archives/compress/2014/1448/jpeg/14t.jpg) Delta flower scarab beetles (Trigonopeltastes delta) on button snakeroot in Lick Creek Park. College Station, Texas, July 1, 2014
![](../../pictures/archives/compress/2021/2916/jpeg/20t.jpg) Canadian black snakeroot (Sanicula canadensis) in Lick Creek Park. College Station, Texas, April 22, 2021
![](../../pictures/archives/compress/2024/3505/jpeg/02t.jpg) Leaves of Canadian black snakeroot (Sanicula canadensis) in Lick Creek Park. College Station, Texas, March 31, 2024
![](../../pictures/archives/compress/2008/679/jpeg/26t.jpg) White mistflower (Ageratina havanensis, Havana snakeroot) with a caterpillar in Lick Creek Park. College Station, Texas, October 19, 2008
![](../../pictures/archives/compress/2020/2800/jpeg/07t.jpg) Boneset flowers (white snakeroot, Ageratina altissima) on Raccoon Run Trail in Lick Creek Park. College Station, Texas, October 15, 2020
![](../../pictures/archives/compress/2008/676/jpeg/17t.jpg) White mistflower (Havana snakeroot, Ageratina havanensis, Eupatorium havanense) on Iron Bridge Trail in Lick Creek Park. College Station, Texas, October 3, 2008
![](../../pictures/archives/compress/2024/3632/jpeg/08t.jpg) 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
![](../../pictures/archives/compress/2014/1457/jpeg/18t.jpg) Hooker s eryngo (Eryngium hookeri) in Lick Creek Park. College Station, Texas, July 15, 2014
![](../../pictures/archives/compress/2014/1449/jpeg/03t.jpg) Flower of Hooker s eryngo (Eryngium hookeri) in Lick Creek Park. College Station, Texas, July 3, 2014
![](../../pictures/archives/compress/2014/1448/jpeg/25t.jpg) Hooker s eryngo (Eryngium hookeri) on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 3, 2014
![](../../pictures/archives/compress/2014/1449/jpeg/04t.jpg) Prickly flowers of Hooker s eryngo (Eryngium hookeri) in Lick Creek Park. College Station, Texas, July 3, 2014
![](../../pictures/archives/compress/2014/1447/jpeg/19t.jpg) Hooker s eryngo (Eryngium hookeri) in Lick Creek Park. College Station, Texas, June 30, 2014
![](../../pictures/archives/compress/2022/3186/jpeg/05t.jpg) Prickly seeds with hooks of Canadian black snakeroot (Sanicula canadensis) in Antique Rose Emporium. Independence, Texas, July 2, 2022
![](../../pictures/archives/compress/2020/2744/jpeg/11t.jpg) 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
![](../../pictures/archives/compress/2018/2315/jpeg/17t.jpg) Button stage (immature) mushrooms Amanita pubescens in Lick Creek Park. College Station, Texas, July 16, 2018
![](../../pictures/archives/compress/2012/1072/jpeg/22t.jpg) Hooker s eryngo (Eryngium hookeri) in Lick Creek Park. College Station, Texas, June 22, 2012
![](../../pictures/archives/compress/2019/2482/jpeg/27t.jpg) 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
![](../../pictures/archives/compress/2022/3131/jpeg/28t.jpg) 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
![](../../pictures/archives/compress/2022/3261/jpeg/01t.jpg) 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
![](../../pictures/archives/compress/2022/3131/jpeg/22t.jpg) 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
![](../../pictures/archives/compress/2022/3261/jpeg/02t.jpg) 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
![](../../pictures/archives/compress/2014/1462/jpeg/09t.jpg) Hooker s eryngo (Eryngium hookeri) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
![](../../pictures/archives/compress/2009/800/jpeg/09t.jpg) 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
![](../../pictures/archives/compress/2009/800/jpeg/08t.jpg) 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
![](../../pictures/archives/compress/2019/2533/jpeg/01t.jpg) Button mushrooms (Agaricus) in Lick Creek Park. College Station, Texas, June 21, 2019
![](../../pictures/archives/compress/2019/2432/jpeg/05t.jpg) Button lichen (Buellia) in Lick Creek Park. College Station, Texas, January 18, 2019
![](../../pictures/archives/compress/2024/3633/jpeg/10t.jpg) White mistflower (Havana snakeroot, Ageratina havanensis, Eupatorium havanense) on Richards Loop Trail in Sam Houston National Forest. Texas, October 20, 2024
![](../../pictures/archives/compress/2018/2372/jpeg/12t.jpg) Button of a mushroom Amanita pubescens in Lick Creek Park. College Station, Texas, October 3, 2018
![](../../pictures/archives/compress/2018/2295/jpeg/09t.jpg) Button of Amanita pubescens mushroom in Lick Creek Park. College Station, Texas, June 28, 2018
![](../../pictures/archives/compress/2019/2431/jpeg/14t.jpg) Common button lichen (Buellia stillingiana) on an oak in Lick Creek Park. College Station, Texas, January 18, 2019
![](../../pictures/archives/compress/2018/2375/jpeg/10t.jpg) Button mushrooms Agaricus sect. Xanthodermatei in Lick Creek Park. College Station, Texas, October 5, 2018
![](../../pictures/archives/compress/2019/2431/jpeg/06t.jpg) Common button lichen (Buellia stillingiana) (black) in Lick Creek Park. College Station, Texas, January 18, 2019
![](../../pictures/archives/compress/2019/2431/jpeg/03t.jpg) Common button lichen (Buellia stillingiana) on oak bark in Lick Creek Park. College Station, Texas, January 18, 2019
![](../../pictures/archives/compress/2022/3184/jpeg/12t.jpg) 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
![](../../pictures/archives/compress/2014/1457/jpeg/15t.jpg) Bud of thistle in Lick Creek Park. College Station, Texas, July 15, 2014
![](../../pictures/archives/compress/2014/1453/jpeg/04t.jpg) Leaf of peppervine in Lick Creek Park. College Station, Texas, July 10, 2014
![](../../pictures/archives/compress/2014/1448/jpeg/20t.jpg) Bark of water oak in Lick Creek Park. College Station, Texas, July 3, 2014
![](../../pictures/archives/compress/2014/1448/jpeg/06t.jpg) Large coneflower in Lick Creek Park. College Station, Texas, July 1, 2014
![](../../pictures/archives/compress/2014/1448/jpeg/23t.jpg) Racoon Run Trail in Lick Creek Park. College Station, Texas, July 3, 2014
![](../../pictures/archives/compress/2014/1467/jpeg/17t.jpg) Blister beetle taken from Lick Creek Park. College Station, Texas, July 26, 2014
![](../../pictures/archives/compress/2014/1467/jpeg/05t.jpg) Dry spikelet of grass in Lick Creek Park. College Station, Texas, July 26, 2014
![](../../pictures/archives/compress/2014/1457/jpeg/13t.jpg) Seeds of thistle in Lick Creek Park. College Station, Texas, July 15, 2014
![](../../pictures/archives/compress/2014/1457/jpeg/20t.jpg) Blooming thistle in Lick Creek Park. College Station, Texas, July 15, 2014
![](../../pictures/archives/compress/2014/1467/jpeg/18t.jpg) Ironclad beetle taken from Lick Creek Park. College Station, Texas, July 26, 2014
![](../../pictures/archives/compress/2014/1467/jpeg/06t.jpg) Bumblebee on thistle in Lick Creek Park. College Station, Texas, July 26, 2014
![](../../pictures/archives/compress/2014/1457/jpeg/10t.jpg) Berries of pepperbush in Lick Creek Park. College Station, Texas, July 15, 2014
![](../../pictures/archives/compress/2014/1467/jpeg/15t.jpg) Bark beetle taken from Lick Creek Park. College Station, Texas, July 26, 2014
![](../../pictures/archives/compress/2014/1457/jpeg/16t.jpg) Katydid on seeds of thistle in Lick Creek Park. College Station, Texas, July 15, 2014
![](../../pictures/archives/compress/2014/1448/jpeg/16t.jpg) Orange and black butterfly in Lick Creek Park. College Station, Texas, July 1, 2014
![](../../pictures/archives/compress/2014/1464/jpeg/12t.jpg) Purple shoot of peppervine in Lick Creek Park. College Station, Texas, July 22, 2014
![](../../pictures/archives/compress/2014/1457/jpeg/29t.jpg) Sneezeweed (Helenium amarum) in Lick Creek Park. College Station, Texas, July 15, 2014
![](../../pictures/archives/compress/2014/1457/jpeg/25t.jpg) Red aphids on a leaf of frostweed in Lick Creek Park. College Station, Texas, July 15, 2014
![](../../pictures/archives/compress/2014/1457/jpeg/24t.jpg) Turk s cap (Malvaviscus drummondii) in Lick Creek Park. College Station, Texas, July 15, 2014
![](../../pictures/archives/compress/2014/1448/jpeg/19t.jpg) Iron Bridge Trail in Lick Creek Park. College Station, Texas, July 3, 2014
![](../../pictures/archives/compress/2014/1453/jpeg/08t.jpg) Butterfly pea (Centrosema virginianum) in Lick Creek Park. College Station, Texas, July 10, 2014
![](../../pictures/archives/compress/2014/1452/jpeg/22t.jpg) Skin of a molted cicada in Lick Creek Park. College Station, Texas, July 10, 2014
![](../../pictures/archives/compress/2014/1457/jpeg/09t.jpg) Water primrose (Ludwigia) in Lick Creek Park. College Station, Texas, July 15, 2014
![](../../pictures/archives/compress/2014/1452/jpeg/21t.jpg) Partridge pea (Cassia fasciculata) in Lick Creek Park. College Station, Texas, July 10, 2014
![](../../pictures/archives/compress/2014/1449/jpeg/02t.jpg) Oaks on sewage line right of way in Lick Creek Park. College Station, Texas, July 3, 2014
![](../../pictures/archives/compress/2014/1452/jpeg/20t.jpg) Passion flower (Passiflora) in Lick Creek Park. College Station, Texas, July 10, 2014
![](../../pictures/archives/compress/2014/1448/jpeg/24t.jpg) Rotten log on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 3, 2014
![](../../pictures/archives/compress/2014/1452/jpeg/15t.jpg) Water-primrose (Ludwigia) in Lick Creek Park. College Station, Texas, July 10, 2014
![](../../pictures/archives/compress/2014/1457/jpeg/17t.jpg) Flower of summer thistle in Lick Creek Park. College Station, Texas, July 15, 2014
![](../../pictures/archives/compress/2014/1464/jpeg/17t.jpg) Solanum (nightshade) flowers in Lick Creek Park. College Station, Texas, July 22, 2014
![](../../pictures/archives/compress/2014/1464/jpeg/19t.jpg) Flower bud of summer thistle in Lick Creek Park. College Station, Texas, July 22, 2014
![](../../pictures/archives/compress/2014/1447/jpeg/23t.jpg) Partridge pea (Cassia fasciculata) with a bee in Lick Creek Park. College Station, Texas, July 1, 2014
![](../../pictures/archives/compress/2014/1465/jpeg/04t.jpg) Roadside Amanita(?) mushrooms in Lick Creek Park. College Station, Texas, July 22, 2014
![](../../pictures/archives/compress/2014/1448/jpeg/02t.jpg) Water-primrose (Ludwigia) in Lick Creek Park. College Station, Texas, July 1, 2014
![](../../pictures/archives/compress/2014/1465/jpeg/02t.jpg) Prostrate spurge (Euphorbia) in Lick Creek Park. College Station, Texas, July 22, 2014
|