 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
 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
 Flowers of rough cocklebur (Xanthium strumarium) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 Blooming rough cocklebur (Xanthium strumarium) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 Flowers of rough cocklebur (Xanthium strumarium) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2021
 Grasshopper on rough cocklebur (Xanthium strumarium) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
 Flowers of cocklebur (Xanthium strumarium) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Birch Creek Unit of Somerville Lake State Park. Texas, September 14, 2024
 Cocklebur (Xanthium strumarium) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 16, 2020
 Cocklebur (Xanthium strumarium) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 6, 2020
 Rough Cocklebur (Xanthium strumarium) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 3, 2021
 Rough cocklebur (Xanthium strumarium) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 31, 2021
 Dry burs of cocklebur (Xanthium strumarium) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 20, 2021
 Shoot of cocklebur (Xanthium strumarium) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Rough cocklebur (Xanthium strumarium) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 6, 2019
 "Porcupine eggs" of cocklebur (Xanthium strumarium) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Dry seeds of rough cocklebur (Xanthium strumarium) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 31, 2021
 Seed capsules of cocklebur (Xanthium strumarium) taken from Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 4, 2020
 Back lit leaves of rough cocklebur (Xanthium strumarium) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 6, 2019
 Close-up of seed capsules of cocklebur (Xanthium strumarium) taken from Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 4, 2020
 Rough Cocklebur (Xanthium strumarium) on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, September 12, 2021
 Burs of cocklebur (Xanthium strumarium) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Birch Creek Unit of Somerville Lake State Park. Texas, September 14, 2024
 Dry last year cocklebur (Xanthium strumarium) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Bur of cocklebur (Xanthium strumarium) on north shore of Lake Somerville. Texas, September 27, 2008
 Small green grasshopper on leaves of rough cocklebur at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
 Climbing hempvine (Mikania scandens) on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2012
 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
 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
 Dodder (Cuscuta) on rough cocklebur at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
 Strands of dodder (Cuscuta) on rough cocklebur at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
 Little green frog on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 Orange strands of dodder (Cuscuta) on rough cocklebur at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
 Close-up of a little green frog on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 Front view of a little green frog on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 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
 Barnyard grass (cockspur, Echinochloa crus-galli) with a little green frog on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 Flowers of beebalm (Monarda punctata) near a road along north shore of Lake Somerville near Birch Creek Unit Somerville Lake State Park. Texas, May 27, 2018
 Flowers of whorled milkweed (Asclepias verticillata) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, May 6, 2018
 Blue skullcap flowers (Scutellaria) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
 Back lit little green frog on 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
 Green bur of Rough Cocklebur (Xanthium strumarium) in Lick Creek Park. College Station, Texas, September 24, 2012
 Flowers of salt-marsh fleabane (Pluchea odorata) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 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
 Flowers of Showy blue star (Amsonia illustris) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
 Flowers 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
 Buttonbush (Cephalanthus occidentalis) on a shore of the lake in Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2012
 Close-up of flowers 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
 Pink flowers of Drummond wild onion (Allium drummondii) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 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
 Staminate flowers of cocklebur (Xanthium strumarium) in Lick Creek Park. College Station, Texas, September 16, 2012
 Flowers of brownseed Paspalum grass (Paspalum plicatulum) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 Green flowers of angularfruit milkvine (anglepod, Matelea gonocarpos) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, June 14, 2020
 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
 Fresh green vegetation on a lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, August 26, 2023
 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
 Green flowers and a drop of milky juice of angularfruit milkvine (anglepod, Matelea gonocarpos) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, June 14, 2020
 Trees on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, December 29, 2023
 A road on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, May 6, 2018
 Elm(?) trees on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, December 29, 2023
 Skullcap (Scutellaria) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, May 6, 2018
 Dodder (Cuscuta) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 Grasses and trees on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, December 29, 2023
 Ripening blackberry on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
 Old oak stump at low water level on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, November 23, 2023
 Rescuegrass (Bromus cartharticus) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, May 6, 2018
 Blooming rush (Juncus) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, May 6, 2018
 Beaksedge, probably Rhynchospora corniculata, on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 Knotweed (Persicaria) joint on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 Weathered oak wood in sand on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, November 23, 2023
 Shoot of cedar elm on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
 Some small sedge in sand on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, November 23, 2023
 Small sedge in sand on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, November 23, 2023
 Standing dead oak (snag) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, December 29, 2023
 Fragrant flatsedge (Cyperus odoratus)(?) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 Whorled milkweed (Asclepias verticillata) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, May 6, 2018
 Carolina larkspur (Delphinium carolinianum) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, May 6, 2018
 Common creeping grass on sand on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, November 23, 2023
 Turnsole (Heliotropium procumbens) in sand on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, November 23, 2023
 Beebalm (Monarda punctata) near a road along north shore of Lake Somerville near Birch Creek Unit Somerville Lake State Park. Texas, May 27, 2018
 Amanita sect. Amidella mushroom on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, May 6, 2018
 Meadow pink (Sabatia campestris) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, May 6, 2018
 Balloon vine (Cardiospermum halicacabum) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 Habitat of Devil s Cigar Ascomycete mushrooms (Chorioactis geaster) 0.8 m from hackberry, 4 m from elm, 7 m from oak, 11 m from juniper, around 60 m from lake shore, at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 1, 2023
 Late-flowering boneset (Eupatorium serotinum) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 Seedling of turnsole (Heliotropium procumbens) in sand on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, November 23, 2023
 Creeping lovegrass (Eragrostis reptans) in sand on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, November 23, 2023
 Creeping lovegrass (Eragrostis reptans) with freeze on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, November 23, 2023
 Seedling of rustweed (Polypremum procumbens) in sand on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, November 23, 2023
 Gills of Amanita sect. Amidella mushroom on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, May 6, 2018
 Meadow pink (Sabatia campestris) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
 Some polypore (bracket) mushrooms on an oak log near a road along north shore of Lake Somerville near Birch Creek Unit Somerville Lake State Park. Texas, March 15, 2018
 Milkcap mushrooms (Lactarius) near a road along north shore of Lake Somerville near Birch Creek Unit Somerville Lake State Park. Texas, March 14, 2018
 Blooming cowpen daisy (Verbesina encelioides) on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, November 23, 2023
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