 Rough cocklebur (Xanthium strumarium) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 31, 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, August 3, 2021
 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
 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
 Cocklebur (Xanthium strumarium) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 16, 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) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 Dry burs of cocklebur (Xanthium strumarium) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 20, 2021
 Cocklebur (Xanthium strumarium) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 6, 2020
 Shoot of cocklebur (Xanthium strumarium) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 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
 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
 Dry last year cocklebur (Xanthium strumarium) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 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
 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
 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
 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
 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
 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
 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
 Orange seeds of buttonbush at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 3, 2021
 Seeds of silver bluestem grass (Bothriochloa laguroides) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 16, 2020
 Emerging seeds of cowpen daisy (Verbesina encelioides) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 16, 2020
 Flowers and seeds of large buttonweed (Diodia virginiana) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 6, 2019
 Seeds of late-flowering boneset (Eupatorium serotinum) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 16, 2020
 Broken fruit of Buffalo gourd (calabazilla, Cucurbita foetidissima) with seeds at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 20, 2021
 Rough green snake (Opheodrys aestivus) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 6, 2020
 Rough speckled shield lichen (Punctelia rudecta) on a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
 Rough speckled shield lichen (Punctelia rudecta) on sandstone in an oak and red cedar forest at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
 Oak skeletons at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 31, 2021
 Dry seeds of mallow(?) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Old cattle pond at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 31, 2021
 Path in oak forest at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 31, 2021
 Grasshoppers on a dry plant at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 31, 2021
 Sparse oak forest at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 31, 2021
 Animal droppings with some seeds at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 3, 2022
 Red lovegrass (Eragrostis secundiflora) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 31, 2021
 Seeds of buttonbush (Cephalanthus occidentalis) taken from Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 4, 2020
 Seeds of salt-marsh fleabane at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 6, 2020
 Green lynx spider with an egg sack at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 31, 2021
 Bushy bluestem (Andropogon glomeratus) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 31, 2021
 Carolina ponysfoot (Dichondra carolinensis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 31, 2021
 Various seeds collected in a frequently flooded area near Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 4, 2020
 Seeds of a small plant of carrot family at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, June 14, 2020
 Inflated seeds of fox sedge (Carex vulpinoidea) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 5, 2020
 Seeds of wild carrot (Daucus pusillus) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
 Crab spider on frostweed (Verbesina virginica) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 31, 2021
 Bolete mushrooms Boletus luridellus under oaks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 10, 2021
 Bolete mushrooms Pulchroboletus rubricitrinus(?) under oaks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 10, 2021
 Pores of a bolete mushroom Boletus luridellus at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 10, 2021
 Fluffy seeds of ten-petal anemone (basket anemone, Anemone heterophylla) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2021
 Bur of cocklebur (Xanthium strumarium) on north shore of Lake Somerville. Texas, September 27, 2008
 Underside of bolete mushrooms Boletus luridellus under oaks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 10, 2021
 Side view of a bolete mushroom Boletus luridellus at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 10, 2021
 Underside of bolete mushrooms Pulchroboletus rubricitrinus(?) under oaks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 10, 2021
 Cross section of a bolete mushroom Boletus luridellus at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 10, 2021
 Bolete mushrooms Boletus luridellus under wild live oaks on the edge of open windy slope of the lake at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 10, 2021
 Patriotic bolete mushroom (Boletus patrioticus) under juniper and oak trees at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 10, 2021
 Cross section of bolete mushrooms Boletus luridellus under oaks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 10, 2021
 Spore print of a bolete mushroom Boletus luridellus collected at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 11, 2021
 Bur of rough Cocklebur (Xanthium strumarium) in Lick Creek Park. College Station, Texas, October 9, 2012
 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
 Masses of bolete mushrooms Boletus luridellus under wild live oaks on the edge of open windy slope of the lake at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 10, 2021
 Close-up of patriotic bolete mushroom (Boletus patrioticus) under juniper and oak trees at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 10, 2021
 Seeds of foxtail grass (Setaria) on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, October 31, 2020
 Bolete mushrooms Boletus luridellus with their side view under wild live oaks on the edge of open windy slope of the lake at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 10, 2021
 Bolete mushrooms Boletus luridellus with their cross section under wild live oaks on the edge of open windy slope of the lake at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 10, 2021
 Cross section of patriotic bolete mushroom (Boletus patrioticus) under juniper and oak trees at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 10, 2021
 Seeds of little bluestem grass (Schizachyrium scoparium) on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, October 31, 2020
 Mature bur of Rough Cocklebur (Xanthium strumarium) in Lick Creek Park. College Station, Texas, October 11, 2012
 Hairy seeds of little bluestem grass (Schizachyrium scoparium) on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, October 31, 2020
 Seeds of creeping lovegrass (Eragrostis reptans) on shores of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, October 4, 2022
 Fluffy seeds of silver bluestem grass (Bothriochloa laguroides) on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, October 31, 2020
 Ripening burs of Rough Cocklebur (Xanthium strumarium) in Lick Creek Park. College Station, Texas, October 11, 2012
 Seeds of bigpod Sesbania (Sesbania herbacea) taken from Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 4, 2020
 Lake shore at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 6, 2019
 Seeds of longspike tridens grass (Tridens strictus) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
 Large corn like seeds of Florida paspalum grass (Paspalum floridanum) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 9, 2020
 Rough green snake (Opheodrys aestivus) on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, September 22, 2024
 Partridge pea at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2021
 Greenbrier at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2021
 Dry oaks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 24, 2021
 Dry oak trees at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2021
 Greenbrier (Smilax) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 24, 2021
 Vines and oaks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2021
 Sandy path at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2021
 Some black moth at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2021
 Mowed path at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2021
 Blooming buttonbush at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 3, 2021
 Tilted oak trees at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2021
 Flock of pelicans at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2021
 Overgrown oak forest at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2021
 Dead oaks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2021
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