 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
 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
 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
 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
 White mistflower (Ageratina havanensis, Havana snakeroot) with a caterpillar in Lick Creek Park. College Station, Texas, October 19, 2008
 White mistflower (Ageratina havanensis) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, October 10, 2024
 Shrubby boneset (white mistflower, Ageratina havanensis) on Yaupon Loop Trail in Lick Creek Park. College Station, Texas, November 9, 2023
 Mistflower (Eupatorium coelestinum) on Richards Loop Trail in Sam Houston National Forest. Texas, October 1, 2022
 Mistflower (Eupatorium coelestinum) on Richards Loop Trail in Sam Houston National Forest. Texas, October 1, 2022
 Blooming mistflower (Eupatorium coelestinum) on Richards Loop Trail in Sam Houston National Forest. Texas, October 1, 2022
 Mistflower (Eupatorium coelestinum, Wild ageratum) in Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, October 2, 2010
 Mistflower (Eupatorium coelestinum, wild ageratum) on Richards Loop Trail in Sam Houston National Forest. Texas, September 8, 2021
 Mistflower (Eupatorium coelestinum) in Sam Houston National Forest, on Little Lake Creek Loop Trail. Richards, Texas, August 10, 2008
 Mistflower (Eupatorium coelestinum, Wild ageratum) on Richards Loop Trail in Sam Houston National Forest. Texas, September 23, 2021
 Mistflower (Eupatorium coelestinum, Wild ageratum) on Richards Loop Trail in Sam Houston National Forest. Texas, August 7, 2021
 Mistflower (Eupatorium coelestinum, Wild ageratum) on Richards Loop Trail in Sam Houston National Forest. Texas, September 8, 2021
 Blooming mistflower (Eupatorium coelestinum, wild ageratum) on Richards Loop Trail in Sam Houston National Forest. Texas, September 8, 2021
 Mistflower (Eupatorium coelestinum, Wild ageratum) in Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 26, 2009
 Mistflower (Eupatorium coelestinum, Wild ageratum) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 21, 2019
 Blue flowers of mistflower (Eupatorium coelestinum, Wild ageratum) in Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 26, 2009
 Seeds of late-flowering boneset (Eupatorium serotinum)(?) on Richards Loop Trail in Sam Houston National Forest. Texas, October 20, 2024
 Boneset flowers (white snakeroot, Ageratina altissima) on Raccoon Run Trail in Lick Creek Park. College Station, Texas, October 15, 2020
 Mistflower (Eupatorium coelestinum) on Lone Star Hiking Trail east from Trailhead 3 in Sam Houston National Forest near Montgomery. Texas, October 9, 2022
 Blooming mistflower (Eupatorium coelestinum) on Lone Star Hiking Trail east from Trailhead 3 in Sam Houston National Forest near Montgomery. Texas, October 9, 2022
 Dry seeds of boneset (Eupatorium) on Richards Loop Trail in Sam Houston National Forest. Texas, January 21, 2024
 Common boneset (Eupatorium perfoliatum) on Richards Loop Trail in Sam Houston National Forest. Texas, October 1, 2022
 Fluffy seeds of dog fennel (Eupatorium capillifolium) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, January 21, 2024
 Spores of white resupinate polypore mushroom on a cut surface of a pine log from Richards Loop Trail in Sam Houston National Forest, collected 11/5/2024. Texas, October 11, 2024
 Yankeeweed (coastal dog fennel, Eupatorium compositifolium) on Richards Loop Trail in Sam Houston National Forest. Texas, October 18, 2022
 White aster flowers on Richards Loop Trail in Sam Houston National Forest. Texas, October 20, 2024
 White resupinate polypore mushroom on a cut surface of a pine log on Richards Loop Trail in Sam Houston National Forest. Texas, October 5, 2024
 Texture of white resupinate polypore mushroom on a cut surface of a pine log on Richards Loop Trail in Sam Houston National Forest. Texas, October 5, 2024
 Close-up of white resupinate polypore mushroom on a cut surface of a pine log on Richards Loop Trail in Sam Houston National Forest. Texas, October 5, 2024
 Growth of white resupinate polypore mushroom on a cut surface of a pine log on Richards Loop Trail in Sam Houston National Forest. Texas, October 5, 2024
 Mistflower (Eupatorium coelestinum) near Pole Creek on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, October 6, 2022
 Blooming mistflower (Eupatorium coelestinum) near Pole Creek on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, October 6, 2022
 White aster flowers when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Richards Loop Trail in Sam Houston National Forest. Texas, October 20, 2024
 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
 Mistflower (Eupatorium) in Mercer Arboretum and Botanical Gardens. Humble (Houston area), Texas, October 14, 2012
 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
 Late-flowering boneset (Eupatorium serotinum) on Richards Loop Trail in Sam Houston National Forest. Texas, August 7, 2021
 Late-flowering boneset (Eupatorium serotinum) on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
 Late-flowering boneset (Eupatorium serotinum) on Richards Loop Trail in Sam Houston National Forest. Texas, August 15, 2021
 Late-flowering boneset (Eupatorium serotinum) in bloom on Richards Loop Trail in Sam Houston National Forest. Texas, August 15, 2021
 Felty shoot of common boneset (Eupatorium perfoliatum) on Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Woolly-white (Hymenopappus) on Road FS 203 near Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 White flowers of blackberry on Road FS 203 near on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 White fleshy Amanita mushrooms on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Some white Amanita mushrooms under pines on Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2024
 White fleshy Amanita mushrooms under pines on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Some small garlic with white flowers (Allium) on Richards Loop Trail in Sam Houston National Forest. Texas, April 13, 2024
 Flowers of woolly-white (Hymenopappus) on Road FS 203 near Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Cross section of white Amanita mushrooms on Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2024
 Flowers of woolly-white (Hymenopappus) on Road FS 203 near Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Blooming woolly-white (Hymenopappus) on Road FS 203 near on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Side view of white Amanita mushrooms on Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2024
 Woolly-white (Hymenopappus artemisiaefolius) on road FS203 near Richards Loop Trail in Sam Houston National Forest. Texas, April 13, 2024
 Spores of white Amanita mushrooms collected under pines on Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2024
 Spores of white fleshy Amanita mushrooms collected on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Cross section of white fleshy Amanita mushrooms on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Underside of white fleshy Amanita mushrooms under pines on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Dry seeds of white heath aster (Symphyotrichum ericoides) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, January 21, 2024
 Beautyberry from road FS 203 near Richards Loop Trail in Sam Houston National Forest. Texas, October 27, 2024
 Blooming aster on Richards Loop Trail in Sam Houston National Forest. Texas, October 20, 2024
 Amanita mushroom on Richards Loop Trail in Sam Houston National Forest. Texas, October 5, 2024
 Road FS 203 with oak and pine forest near Richards Loop Trail in Sam Houston National Forest. Texas, October 27, 2024
 Road FS 203 and pine forest near Richards Loop Trail in Sam Houston National Forest. Texas, October 27, 2024
 Giant white milkcap mushrooms Lactifluus subvellereus var. subdistance on Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2024
 Large white milkcap mushrooms Lactifluus subvellereus var. subdistance on Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2024
 Blooming woolly-white (Hymenopappus artemisiaefolius) on road FS203 near Richards Loop Trail in Sam Houston National Forest. Texas, April 13, 2024
 Rosette of leaves of woolly-white (Hymenopappus artemisiaefolius) on FS203 near Richards Loop Trail in Sam Houston National Forest. Texas, February 21, 2024
 Large white brittlegill mushroom Russula compacta on Road FS 203 near Richards Loop Trail in Sam Houston National Forest. Texas, September 21, 2024
 Flower buds of white-flowered milkweed (Asclepias variegata) on Richards Loop Trail in Sam Houston National Forest. Texas, April 13, 2024
 Some white Amanita sect. Lepidella mushroom on Richards Loop Trail in Sam Houston National Forest. Texas, October 13, 2021
 Some white Amanita mushroom on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, October 20, 2018
 Cap of white Amanita sect. Lepidella mushroom on Richards Loop Trail in Sam Houston National Forest. Texas, October 13, 2021
 Pine trees on road FS 203 near Richards Loop Trail in Sam Houston National Forest. Texas, October 27, 2024
 Beautyberry (callicarpa americana) on Richards Loop Trail in Sam Houston National Forest. Texas, October 20, 2024
 Fluffy seeds of frostweed(?) on Richards Loop Trail in Sam Houston National Forest. Texas, October 20, 2024
 Section of Amanita mushroom on Richards Loop Trail in Sam Houston National Forest. Texas, October 5, 2024
 Underside of a large white brittlegill mushroom Russula compacta on Road FS 203 near Richards Loop Trail in Sam Houston National Forest. Texas, September 21, 2024
 Silvery basal leaves of woolly-white (Hymenopappus artemisiaefolius) on FS203 near Richards Loop Trail in Sam Houston National Forest. Texas, February 21, 2024
 Pink flowers of woolly-white (Hymenopappus artemisiaefolius) on road FS203 near Richards Loop Trail in Sam Houston National Forest. Texas, April 13, 2024
 Mosquito on flowers of woolly-white (Hymenopappus artemisiaefolius) on road FS203 near Richards Loop Trail in Sam Houston National Forest. Texas, April 13, 2024
 Gills of a large white milkcap mushroom Lactifluus subvellereus var. subdistance on Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2024
 Underside of a large white milkcap mushroom Lactifluus subvellereus var. subdistance on Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2024
 Caps of large white milkcap mushrooms Lactifluus subvellereus var. subdistance on Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2024
 Dissected white Amanita mushroom on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, October 20, 2018
 Some white and red resupinate polypore mushroom on burnt oak wood on Richards Loop Trail in Sam Houston National Forest. Texas, October 2, 2021
 Grass leaves in ultraviolet light on Richards Loop Trail in Sam Houston National Forest. Texas, October 5, 2024
 Fluffy seeds of gayfeather (Liatris) on Richards Loop Trail in Sam Houston National Forest. Texas, October 20, 2024
 Climbing fern (Lygodium japonicum) on Richards Loop Trail in Sam Houston National Forest. Texas, October 20, 2024
 Pitcher sage (Salvia azurea) on Richards Loop Trail in Sam Houston National Forest. Texas, October 20, 2024
 Narrowleaf silkgrass (Pityopsis graminifolia) on Richards Loop Trail in Sam Houston National Forest. Texas, October 20, 2024
 Cross section of a large white milkcap mushroom Lactifluus subvellereus var. subdistance on Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2024
 Spores of large white milkcap mushrooms Lactifluus subvellereus var. subdistance collected on Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2024
 White beautyberry (Callicarpa americana Var. lactea) in Sam Houston National Forest, on Little Lake Creek Loop Trail. Richards, Texas, October 4, 2008
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