 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
 Flower of buttonbush (Cephalanthus occidentalis) on a shore of the lake in Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2012
 Globular flower of buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 17, 2021
 Buttonbush (Cephalanthus occidentalis) on a shore of the lake in Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2012
 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
 Flower of buttonbush (Cephalanthus occidentalis) on a shore of the lake in Birch Creek Unit of Lake Somerville State Park, Texas, July 22, 2018
 Flower buds of buttonbush (Cephalanthus occidentalis) on a shore of the lakein Birch Creek Unit of Lake Somerville State Park, Texas, July 22, 2018
 Buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 30, 2021
 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, June 14, 2020
 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, August 24, 2019
 Shoot of buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Seeds of buttonbush (Cephalanthus occidentalis) taken from Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 4, 2020
 Close-up of buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 17, 2021
 Blooming buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 17, 2021
 Red shoot of buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 14, 2020
 Shoot of buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 5, 2020
 Shoot of buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 20, 2022
 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
 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
 Green shoot of buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 9, 2020
 Young leaves of buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 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
 Buttonbush (Cephalanthus occidentalis) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Blooming buttonbush (Cephalanthus occidentalis) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 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
 Spherical inflorescence of buttonbush (Cephalanthus occidentalis) in Birch Creek Unit of Lake Somerville State Park, Texas, July 22, 2018
 Reddish shoot of buttonbush (Cephalanthus occidentalis) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
 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) 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 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
 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
 Climbing hempvine (Mikania scandens) on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2012
 Green flowers of cocklebur (Xanthium strumarium) on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2012
 Staminate flowers of cocklebur (Xanthium strumarium) on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2012
 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
 Close up of staminate flowers of cocklebur (Xanthium strumarium) on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2012
 Five-fingered morning glory (Ipomoea cairica) in area of marshes on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2012
 Flower of dwarf dandelion (Krigia occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 3, 2022
 Dry buttonbush on a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, July 4, 2022
 Dry buttonbush on a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, July 21, 2022
 Buttonbush roots on a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, July 21, 2022
 Roots of buttonbush on a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, July 4, 2022
 Dead buttonbush on a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, July 4, 2022
 Fish attractor from buttonbush roots on a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, July 4, 2022
 Texture of weathered buttonbush root on a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, July 4, 2022
 Shoots of buttonbush in receding water on a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, July 4, 2022
 Roots of buttonbush in receding water on a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, July 4, 2022
 Salt-marsh fleabane (Pluchea odorata, Pluchea purpurescens) on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2012
 Salt-marsh fleabane (Pluchea odorata, Pluchea purpurescens) on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2012
 Marsh mallow (Halbert-leaved hibiscus, Hibiscus militaris) on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2012
 Close up of salt-marsh fleabane (Pluchea odorata, Pluchea purpurescens) on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2012
 Fish attractors from piles of dead buttonbush on a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, July 4, 2022
 Fish attractors from buttonbush brush piles on a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, July 4, 2022
 Texture of buttonbush root at low water level on a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, July 4, 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
 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
 Dissected malformed yellow flower of aster family on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
 Malformed yellow flower of aster family because of parasites on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
 Dry tree on the lake shore near a road along north shore of Lake Somerville near Birch Creek Unit Somerville Lake State Park. Texas, March 14, 2018
 Dead forest after a flooding on a shore of the lake near a road along north shore of Lake Somerville near Birch Creek Unit Somerville Lake State Park. Texas, March 14, 2018
 The lake shore near a road along north shore of Lake Somerville near Birch Creek Unit Somerville Lake State Park. Texas, March 14, 2018
 Flower spike of barnyard grass (cockspur, Echinochloa crus-galli) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 Globular flower of buttonbush (Cephalanthus occidentalis) near Nature Center in Lick Creek Park. College Station, Texas, August 1, 2021
 Shoot of buttonbush at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, May 31, 2022
 Blooming buttonbush at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, June 19, 2022
 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 shoot 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
 Orange seeds of buttonbush at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 3, 2021
 Globular flower head of buttonbush (Cephalanthus occidentalis) near Nature Center in Lick Creek Park. College Station, Texas, July 11, 2020
 Small flower of Japanese mazus (Mazus pumilus) in wet area on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
 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
 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
 Dwarf dandelion (Krigia occidentalis) with giant ragweed at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 3, 2022
 Seed head 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
 Shore of the lake at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 2019
 Lake shore at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 6, 2019
 Dry oak trees on a lake shore at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 20, 2022
 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, July 17, 2021
 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
 Some small sedge on a dry lake bottom on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 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
 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
 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
 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
 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
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