 Shoot of buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 5, 2020
 Red shoot of buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 14, 2020
 Green shoot of buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 9, 2020
 Shoot of buttonbush (Cephalanthus occidentalis)(?) with a caterpillar at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 5, 2020
 Buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Shoot of buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 20, 2022
 Young leaves of buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, June 14, 2020
 Seeds of buttonbush (Cephalanthus occidentalis) taken from Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 4, 2020
 Buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 30, 2021
 Bougainvillea-like young leaves of buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 14, 2020
 Reddish shoot of buttonbush (Cephalanthus occidentalis) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
 Buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2021
 Buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 24, 2019
 Blooming buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 17, 2021
 Close-up of buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 17, 2021
 Reddish fruits of buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 17, 2021
 Seed heads of buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 17, 2021
 Globular flower of buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 17, 2021
 Globular inflorescense of buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 24, 2019
 Reddish globular seed head of buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 17, 2021
 Buttonbush (Cephalanthus occidentalis) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Globular flower of buttonbush (Cephalanthus occidentalis) on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2012
 Flower of buttonbush (Cephalanthus occidentalis) on a shore of the lake in Birch Creek Unit of Lake Somerville State Park, Texas, July 22, 2018
 Blooming buttonbush (Cephalanthus occidentalis) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Globular flower of buttonbush (Cephalanthus occidentalis) on a shore of the lake in Birch Creek Unit of Lake Somerville State Park, Texas, July 22, 2018
 Spherical inflorescence of buttonbush (Cephalanthus occidentalis) in Birch Creek Unit of Lake Somerville State Park, Texas, July 22, 2018
 Buttonbush (Cephalanthus occidentalis) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 28, 2024
 Flower buds of buttonbush (Cephalanthus occidentalis) on a shore of the lakein Birch Creek Unit of Lake Somerville State Park, Texas, July 22, 2018
 Spherical inflorescence of buttonbush (Cephalanthus occidentalis) on black background in Birch Creek Unit of Lake Somerville State Park, Texas, July 22, 2018
 Buttonbush (Cephalanthus occidentalis) on a shore of the lake in Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2012
 Flower of buttonbush (Cephalanthus occidentalis) on a shore of the lake in Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2012
 Spherical inflorescence of buttonbush (Cephalanthus occidentalis) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 28, 2024
 Spherical flowers of buttonbush (Cephalanthus occidentalis) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 28, 2024
 Flower buds of buttonbush (Cephalanthus occidentalis) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 28, 2024
 Shoot of buttonbush at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, May 31, 2022
 Orange shoot of buttonbush at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 3, 2021
 Shoot of sumpweed (Iva annua) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Shoot of cocklebur (Xanthium strumarium) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Shoot of common greenbrier (Smilax rotundifolia) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Dwarf dandelion (Krigia occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 14, 2020
 Fruits of summer spiderlily (Hymenocallis occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 30, 2021
 Green frog on summer spiderlily (Hymenocallis occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 30, 2021
 Seed head of summer spiderlily (Hymenocallis occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 30, 2021
 Leaves of summer spiderlily (woodland spider-lily, Hymenocallis occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 14, 2020
 Close-up of a green frog on summer spiderlily (Hymenocallis occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 30, 2021
 Summer spiderlily (woodland spider-lily, Hymenocallis occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 17, 2021
 Flowers of summer spiderlily (woodland spider-lily, Hymenocallis occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 17, 2021
 Shoot of eastern swamp privet (Forestiera acuminata var. vestita) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 14, 2020
 Blooming buttonbush at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, June 19, 2022
 Flower of buttonbush at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, June 19, 2022
 Buttonbush flower at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 3, 2021
 Half dry buttonbush at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, June 19, 2022
 Blooming buttonbush at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 3, 2021
 Blooming buttonbush at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 3, 2021
 Opening flowers of buttonbush at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, June 19, 2022
 Orange seeds of buttonbush at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 3, 2021
 Buttonbush seed head at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 3, 2021
 Leaves of summer spiderlily (Hymenocallis occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, May 7, 2023
 Dwarf dandelion (Krigia occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 19, 2019
 Flower of dwarf dandelion (Krigia occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 3, 2022
 Dwarf dandelion (Krigia occidentalis) with giant ragweed at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 3, 2022
 Shoot of bigpod Sesbania (Sesbania herbacea) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 9, 2020
 Dwarf dandelion (Krigia occidentalis) witha katydid nymph at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 3, 2022
 Summer spiderlily (woodland spider-lily, Hymenocallis occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
 Egg like green seeds of summer spiderlily (Hymenocallis occidentalis) found on the ground at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 22, 2018
 Flowers of summer spiderlily (woodland spider-lily, Hymenocallis occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
 Summer spiderlily (woodland spider-lily, Hymenocallis occidentalis) with fruits at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 6, 2019
 Fruits of summer spiderlily (woodland spider-lily, Hymenocallis occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 6, 2019
 White flower of summer spiderlily (woodland spider-lily, Hymenocallis occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
 Some green shoot at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, May 7, 2023
 Shoot of an oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 3, 2022
 Shoot of cypress elm at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 3, 2022
 Shoot of coralberry at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2021
 Some fern-like shoot at roadside at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 20, 2022
 Dry seeds of mallow(?) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Dodder (Cuscuta) on eryngo at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Horseweed (Conyza canadensis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Shoot of chamberbitter plant (Phyllanthus) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 3, 2021
 Shoot of frostweed (Verbesina virginica) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 3, 2022
 Halberdleaf rosemallow (Hibiscus laevis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Dodder (Cuscuta) on sumpweed (Iva annua) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Leaves of partridge pea (Cassia fasciculata) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Shoot of mustang grape with a katydid nymph at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 3, 2022
 Back lit leaves of partridge pea (Cassia fasciculata) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Late-flowering boneset (Eupatorium serotinum) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Seeds of wild carrot (Daucus pusillus) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 "Porcupine eggs" of cocklebur (Xanthium strumarium) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Fruit of bull nettle (Cnidoscolus texanus) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Large colony of partridge pea (Cassia fasciculata) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Young leaves of honey locust (Gleditsia triacanthos) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Dodder (Cuscuta) on Hooker s eryngo (Eryngium hookeri) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Close-up of dodder (Cuscuta) on salt-marsh fleabane at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Leaves of false indigo bush (Amorpha fruticosa) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Formerly flooded area overgrown by Hooker s eryngo (Eryngium hookeri) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Orange strands of dodder (Cuscuta) on salt-marsh fleabane at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Dodder (Cuscuta) on salt-marsh fleabane (Pluchea odorata) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Longspike tridens (Tridens strictus) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Woolly croton (hogwort, Croton capitatus) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
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