 Blooming buttonbush (Cephalanthus occidentalis) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 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, July 19, 2020
 Young leaves of buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Spherical inflorescence of buttonbush (Cephalanthus occidentalis) 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 Lake Somerville State Park, Texas, July 22, 2018
 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) on black background 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, August 24, 2019
 Buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, June 14, 2020
 Red shoot of buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 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
 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)(?) with a caterpillar at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 5, 2020
 Globular inflorescense of buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 24, 2019
 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
 Green shoot of buttonbush (Cephalanthus occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 9, 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) 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
 Dwarf dandelion (Krigia occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 14, 2020
 Dwarf dandelion (Krigia occidentalis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 19, 2019
 Flowers of summer spiderlily (woodland spider-lily, Hymenocallis occidentalis) in Birch Creek Unit of Lake Somerville State Park, Texas, July 22, 2018
 Umbel of flowers of summer spiderlily (woodland spider-lily, Hymenocallis occidentalis) in Birch Creek Unit of Lake Somerville State Park, Texas, July 22, 2018
 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
 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
 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
 Florets of buttonbush (Cephalanthus occidentalis) near Nature Center in Lick Creek Park. College Station, Texas, July 11, 2020
 Spherical flowers of buttonbush (Cephalanthus occidentalis) near Nature Center in Lick Creek Park. College Station, Texas, July 11, 2020
 Immature flower heads of buttonbush (Cephalanthus occidentalis) near Nature Center in Lick Creek Park. College Station, Texas, July 11, 2020
 Honey bees on flowers of buttonbush (Cephalanthus occidentalis) near Nature Center in Lick Creek Park. College Station, Texas, July 11, 2020
 Globular flower head of buttonbush (Cephalanthus occidentalis) near Nature Center in Lick Creek Park. College Station, Texas, July 11, 2020
 Buttonbush (Cephalanthus occidentalis) in Antique Rose Emporium. Independence, Texas, July 27, 2019
 Galls on an oak leaf near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Sagittaria like flowers near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Indigofera(?) flowers near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Close up of galls on an oak leaf near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Flowers of a species of Indigofera near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Passion flower (Passiflora) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Slender vervain (verbena) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Turk s cap (Malvaviscus drummondii) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Red firewheel flower (Gaillardia amblyodon) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Hooker s eryngo (Eryngium hookeri) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Spurge (Euphorbia heterophylla) on roadside near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Tiny Diodia like flower on roadside near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Fruits of peppervine (Ampelopsis arborea) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Copper lily (Habranthus texanus) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Small dark aphids on a leaf near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Jew s ear mushroom (Auricularia auricula-judae complex) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Ball rolling dung beetles (Scarabeus) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Flower of Copper lily (Habranthus texanus) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Fruits of spurge (Euphorbia heterophylla) on roadside near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Green berries of beautyberry (Callicarpa americana) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Flower of prickly poppy (Argemone albiflora) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Dry seeds of mallow(?) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Dayflower (Commelina) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 14, 2019
 Vervain (Verbena) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 14, 2019
 Katydid nymph on prickly poppy (Argemone albiflora) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Green and white spurge (Euphorbia heterophylla) on roadside near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Close up of a flower of prickly poppy (Argemone albiflora) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Horseweed (Conyza canadensis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Shoot of sumpweed (Iva annua) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Turnsole (Heliotropium indicum) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 14, 2019
 Dodder (Cuscuta) on eryngo at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Tickseed sunflower (Bidens) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 14, 2019
 Leaves of partridge pea (Cassia fasciculata) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Halberdleaf rosemallow (Hibiscus laevis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Violet ruella (Ruellia caroliniensis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 14, 2019
 Hooker s eryngo (Eryngium hookeri) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 14, 2019
 Shoot of cocklebur (Xanthium strumarium) 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
 Coreopsis flower with a katydid nymph at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 14, 2019
 Katydid nymph on a petal of prickly poppy (Argemone albiflora) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 "Porcupine eggs" 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
 Large colony of partridge pea (Cassia fasciculata) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Flower of violet ruella (Ruellia caroliniensis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 14, 2019
 Late-flowering boneset (Eupatorium serotinum) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Blooming violet ruella (Ruellia caroliniensis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 14, 2019
 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
 Seeds of wild carrot (Daucus pusillus) 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
 Shells on dry bottom of Somerville Lake in Birch Creek Unit of Somerville Lake State Park, July 14, 2013
 Rattlebush growing on dry bottom of Somerville Lake in Birch Creek Unit of Somerville Lake State Park, July 14, 2013
 Petrified wood on dry bottom of Somerville Lake in Birch Creek Unit of Somerville Lake State Park, July 14, 2013
 Tree root on dry bottom of Somerville Lake in Birch Creek Unit of Somerville Lake State Park, July 14, 2013
 Skeleton of alligator gar on dry bottom of Somerville Lake in Birch Creek Unit of Somerville Lake State Park, July 14, 2013
 Common duckweed (Lemna minor) on a flooded trail at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 14, 2019
 Leaves of false indigo bush (Amorpha fruticosa) 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
 Backlit flower of violet ruella (Ruellia caroliniensis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 14, 2019
 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
 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 salt-marsh fleabane (Pluchea odorata) 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
 Texture of common duckweed (Lemna minor) on a flooded trail at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 14, 2019
 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
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