 Ragweed (Ambrosia) on Deer Run Trail in Lick Creek Park. College Station, Texas, September 30, 2008
 Ragweed (Ambrosia artemisiifolia) in Lick Creek Park. College Station, Texas, October 23, 2013
 Ragweed (Ambrosia artemisiifolia) in Lick Creek Park. College Station, Texas, September 29, 2022
 Butterfly sleeping on ragweed (Ambrosia) in Lick Creek Park. College Station, Texas, September 29, 2010
 Blooming giant ragweed (Ambrosia trifida) in Lick Creek Park. College Station, Texas, September 22, 2021
 Blooming giant ragweed (Ambrosia trifida) in Bee Creek Park. College Station, Texas, September 28, 2021
 Dry stem of giant ragweed (Ambrosia trifida) with fungus-like dots with white hair taken from Bee Creek Park. College Station, Texas, December 9, 2020
 Giant ragweed (Ambrosia trifida) on Kiwanis Nature Trail. College Station, Texas, April 20, 2023
 Common ragweed (Ambrosia artemisiifolia) in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, April 1, 2024
 Dry leaves of giant ragweed (Ambrosia trifida) in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, September 5, 2023
 Dry plant of giant ragweed (Ambrosia trifida) in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, September 5, 2023
 Pollinating greenish-yellow staminate blossoms of common ragweed (Ambrosia artemisiifolia) near Meyersville Road, with a silken strand from a spider mite. North from Chappell Hill, Texas, September 21, 2008
 Giant ragweed (Ambrosia trifida) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 26, 2023
 Distorted leaves of common ragweed (Ambrosia artemisiifolia) with galls caused by eriophyid mites in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, August 25, 2021
 Common ragweed (Ambrosia artemisiifolia) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Butterfly on ragweed in Lick Creek Park. College Station, Texas, September 29, 2010
 Common ragweed (Ambrosia artemisiifolia) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, July 20, 2019
 Growth of ragweed (Ambrosia) under power lines in Lake Bryan Park. Bryan, Texas, July 26, 2013
 Shoot of giant ragweed in Lick Creek Park. College Station, Texas, March 31, 2023
 Leaves of common ragweed (Ambrosia artemisiifolia) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, August 4, 2018
 Giant ragweed (Ambrosia trifida) with half-white leaves at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 14, 2024
 Galls (hollow blisters) on leaves of common ragweed (Ambrosia artemisiifolia) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 30, 2021
 Leaves of common ragweed (Ambrosia artemisiifolia) with galls caused by eriophyid mites at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 3, 2021
 Leaves of common ragweed (Ambrosia artemisiifolia) damaged by eriophyid gall mites at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 3, 2021
 Galls caused by eriophyid mites on leaves of common ragweed (Ambrosia artemisiifolia) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 3, 2021
 Distorted leaves of common ragweed (Ambrosia artemisiifolia) with galls caused by eriophyid mites at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 3, 2021
 Galls (numerous pale green warts) on leaves of common ragweed (Ambrosia artemisiifolia) caused by eriophyid gall mites at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 30, 2021
 Sewage line right of way in Lick Creek Park. College Station, Texas, October 14, 2008
 Puffball mushroom in dew in Lick Creek Park. College Station, Texas, October 19, 2008
 Deer Run Trail in Lick Creek Park. College Station, Texas, October 8, 2008
 Deer Run Trail in Lick Creek Park. College Station, Texas, October 14, 2008
 Purple bindweed and ragweed (Ambrosia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 28, 2022
 Common ragweed (Ambrosia artemisiifolia) on Forest Service Road 203 in Sam Houston National Forest. Texas, August 21, 2020
 Giant ragweed (Ambrosia trifida) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
 Common ragweed (Ambrosia artemisiifolia) on Forest Service Road 203 in Sam Houston National Forest. Texas, July 12, 2020
 Giant ragweed (Ambrosia trifida) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 15, 2019
 Seedling of giant ragweed (Ambrosia trifida) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 20, 2022
 Shoot of giant ragweed (Ambrosia trifida) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 27, 2021
 Blooming giant ragweed (Ambrosia trifida) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2012
 Dry plant of giant ragweed (Ambrosia trifida) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 9, 2023
 Shoot of giant ragweed (Ambrosia trifida) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Goldenrod (Solidago canadensis) in Lick Creek Park. College Station, Texas, October 3, 2008
 Oaks on Deer Run Trail in Lick Creek Park. College Station, Texas, October 14, 2008
 Seeds of cattails (typha) in Lick Creek Park. College Station, Texas, October 3, 2008
 Deer Run Trail in Lick Creek Park at mist. College Station, Texas, October 14, 2008
 Flower buds of giant ragweed (Ambrosia trifida) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2020
 Common ragweed (Ambrosia artemisiifolia) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Wilted giant ragweed (Ambrosia trifida) under 2,4-D Ester(?) herbicide in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 20, 2022
 Green flowers with pollen of giant ragweed (Ambrosia trifida) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2012
 Wilted giant ragweed (Ambrosia trifida) after application of a herbicide in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 21, 2020
 Common ragweed (Ambrosia artemisiifolia) at Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, June 9, 2022
 Mistflower (wild ageratum, Eupatorium) in Lick Creek Park. College Station, Texas, October 19, 2008
 Distorted growth of giant ragweed (Ambrosia trifida) under 2,4-D Ester(?) herbicide in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 29, 2023
 Curled leaves of giant ragweed (Ambrosia trifida) under 2,4-D Ester(?) herbicide in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 29, 2023
 Common ragweed (Ambrosia artemisiifolia) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest near Montgomery. Texas, July 19, 2022
 Pearl crescent butterfly (Phyciodes tharos(?)) in Lick Creek Park. College Station, Texas, October 19, 2008
 Sewage line right of way near Iron Bridge Trail in Lick Creek Park. College Station, Texas, October 8, 2008
 Yellow fly agaric mushroom (Amanita muscaria) in Lick Creek Park. College Station, Texas, October 3, 2008
 White asters on Iron Bridge Trail in Lick Creek Park. College Station, Texas, October 29, 2008
 Green grasshopper on Iron Bridge Trail in Lick Creek Park. College Station, Texas, October 29, 2008
 Giant ragweed (Ambrosia trifida) after application of herbicide that is causing it to wilt and shrivel in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 21, 2020
 Inflorescence of white aster on Iron Bridge Trail in Lick Creek Park. College Station, Texas, October 29, 2008
 Black and purple berries of peppervine (Ampelopsis arborea) in Lick Creek Park. College Station, Texas, October 3, 2008
 Yellow flower of aster family on Iron Bridge Trail in Lick Creek Park. College Station, Texas, October 3, 2008
 White mistflower (Ageratina havanensis, Havana snakeroot) with a caterpillar in Lick Creek Park. College Station, Texas, October 19, 2008
 Crested moth Soybean looper (Pseudoplusia includens(?)) on sneezeweed in Lick Creek Park. College Station, Texas, October 3, 2008
 Seeds of elephant foot (Elephantopus carolinianus) on Iron Bridge Trail in Lick Creek Park. College Station, Texas, October 29, 2008
 Stink bug nymph (Euschistus) on a seed head of frostweed in Lick Creek Park, on Iron Bridge Trail. College Station, Texas, October 19, 2008
 Spotted cucumber beetle (Diabrotica undecimpunctata) on a yellow flower of aster family in Lick Creek Park. College Station, Texas, October 19, 2008
 Long curly strands of grayish linear leaves of Spanish moss (Tillandsia usneoides) in Lick Creek Park. College Station, Texas, October 19, 2008
 White mistflower (Havana snakeroot, Ageratina havanensis, Eupatorium havanense) on Iron Bridge Trail in Lick Creek Park. College Station, Texas, October 3, 2008
 Tough puffball mushrooms with blackish interior (earthballs, Scleroderma texense) on Iron Bridge Trail in Lick Creek Park. College Station, Texas, October 8, 2008
 Silky flower heads of fragrant cudweed (sweet everlasting, Pseudognaphalium obtusifolium) on Racoon Run Trail in Lick Creek Park. College Station, Texas, October 19, 2008
 Leaf of giant ragweed(?) with frost near the creek in Bee Creek Park. College Station, Texas, January 4, 2022
 Lick Creek from a bridge on Deer Run Trail in Lick Creek Park. College Station, Texas, November 20, 2008
 Bridge across Lick Creek on Deer Run Trail in Lick Creek Park. College Station, Texas, July 25, 2008
 Lick Creek in mist near Iron Bridge Trail in Lick Creek Park. College Station, Texas, November 27, 2008
 Iron bridge across Lick Creek in Lick Creek Park. College Station, Texas, January 27, 2008
 Red foliage of poison ivy near Lick Creek near Iron Bridge Trail in Lick Creek Park. College Station, Texas, November 27, 2008
 Floodplain forest around Lick Creek near Iron Bridge Trail in Lick Creek Park. College Station, Texas, November 27, 2008
 Grasshopper in Lick Creek Park. College Station, Texas, May 5, 2008
 Oak in Lick Creek Park. College Station, Texas, November 20, 2008
 Seedpod in Lick Creek Park. College Station, Texas, April 18, 2008
 Coreopsis flower in Lick Creek Park. College Station, Texas, May 3, 2008
 Katydid nymph in Lick Creek Park. College Station, Texas, May 31, 2008
 Sneezeweed in Lick Creek Park. College Station, Texas, July 13, 2008
 Sycamore and Lick Creek from a bridge on Iron Bridge Trail in Lick Creek Park. College Station, Texas, November 20, 2008
 Lick Creek bridge on Iron Bridge Trail in Lick Creek Park. College Station, Texas, November 20, 2008
 Sewage line right of way in Lick Creek Park. College Station, Texas, January 27, 2008
 Spiderwort (tradescantia) in Lick Creek Park. College Station, Texas, April 2, 2008
 Leaves of sycamore in Lick Creek Park. College Station, Texas, November 27, 2008
 Post Oak Trail in Lick Creek Park. College Station, Texas, November 27, 2008
 Fog on sewage line right of way in Lick Creek Park. College Station, Texas, August 16, 2008
 Sewage line right of way in Lick Creek Park. College Station, Texas, August 16, 2008
 Sewage line right of way in fog in Lick Creek Park. College Station, Texas, August 16, 2008
 Post Oak Trail in fog in Lick Creek Park. College Station, Texas, August 16, 2008
 Post Oak Trail in Lick Creek Park. College Station, Texas, July 25, 2008
 Drying beautyberry in Lick Creek Park. College Station, Texas, July 13, 2008
 Sewage line right of way in Lick Creek Park. College Station, Texas, July 25, 2008
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