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
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
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
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
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, November 6, 2020
Cocklebur (Xanthium strumarium) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 16, 2020
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, August 3, 2021
Rough cocklebur (Xanthium strumarium) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 6, 2019
Rough cocklebur (Xanthium strumarium) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 31, 2021
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
"Porcupine eggs" of cocklebur (Xanthium strumarium) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 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
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
Staminate flowers of cocklebur (Xanthium strumarium) in Lick Creek Park. College Station, Texas, September 16, 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
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
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
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
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
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
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 petticoat mottlegill mushrooms (Panaeolus papilionaceus) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, May 6, 2018
Close-up of western umbrella-sedge (Fuirena simplex) 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
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
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
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
Close up of young Brunneoporus juniperinus (Antrodia juniperina, Subantrodia juniperina) mushrooms on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, May 6, 2018
Close up of young Brunneoporus juniperinus (Antrodia juniperina, Subantrodia juniperina) mushrooms on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
Close-up of flowers of wild buckwheat (Eriogonum annuum) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 16, 2020
Lake shore at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 6, 2019
Shore of the lake at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 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
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
Close up of male flowers 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
Elm(?) trees on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, December 29, 2023
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
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
Little green frog 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
Close up of pores of Brunneoporus juniperinus (Antrodia juniperina, Subantrodia juniperina) mushrooms on a dry fallen trunk of Eastern Red Cedar (Juniperus virginiana) 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
Shoot of cedar elm 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
Standing dead oak (snag) 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
Weathered oak wood in sand on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, November 23, 2023
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
Blooming rush (Juncus) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, May 6, 2018
Turnsole (Heliotropium procumbens) in sand on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, November 23, 2023
Carolina larkspur (Delphinium carolinianum) 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
Beebalm (Monarda punctata) near a road along north shore of Lake Somerville near Birch Creek Unit Somerville Lake State Park. Texas, May 27, 2018
Whorled milkweed (Asclepias verticillata) 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
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
Amanita sect. Amidella mushroom on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, May 6, 2018
Fragrant flatsedge (Cyperus odoratus)(?) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
Meadow pink (Sabatia campestris) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, May 6, 2018
Close-up of a leaf of Ipomoea lacunosa with rust fungus Coleosporium ipomoeae at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
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
White prickly poppy (Argemone albiflora) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, May 6, 2018
Mat of western umbrella-sedge (Fuirena simplex) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
Dissected mushroom Amanita sect. Amidella on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, May 6, 2018
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
Milkcap mushrooms (Lactarius) near a road along north shore of Lake Somerville near Birch Creek Unit Somerville Lake State Park. Texas, March 14, 2018
Meadow pink (Sabatia campestris) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
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
Salt-marsh fleabane (Pluchea odorata) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
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