 Close up of a cluster of flowers of rose vervain (Verbena canadensis) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richardson, Texas, February 22, 2009
 Flower of rose vervain (Glandularia canadensis) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, February 16, 2019
 Rose vervain (Glandularia canadensis) in dew on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 8, 2020
 Rose vervain (Glandularia canadensis) at Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 8, 2019
 Rose vervain (Glandularia canadensis) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 8, 2020
 Rose vervain (Glandularia canadensis) on Richards Loop Trail in Sam Houston National Forest. Texas, February 28, 2023
 Flowers of rose vervain (Glandularia canadensis) at Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 8, 2019
 Flowers of rose vervain (Glandularia canadensis) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 8, 2020
 Rose vervain (Glandularia canadensis) on Richards Loop Trail in Sam Houston National Forest. Texas, April 9, 2022
 Rose vervain (Glandularia canadensis) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Rose vervain (Glandularia canadensis) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Rose vervain (Glandularia canadensis) on Richards Loop Trail in Sam Houston National Forest. Texas, March 3, 2024
 Rose vervain (Glandularia canadensis) on Road FS 203 near on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Blooming rose vervain (Glandularia canadensis) on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Blue violet on Little Lake Creek Loop Trail in Sam Houston National Forest. Richardson, Texas, February 22, 2009
 Rose vervain (Glandularia canadensis) on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, March 28, 2021
 Close up of blue violet on Little Lake Creek Loop Trail in Sam Houston National Forest. Richardson, Texas, February 22, 2009
 Veined flower of blue violet on Little Lake Creek Loop Trail in Sam Houston National Forest. Richardson, Texas, February 22, 2009
 Carolina jessamine (Gelsemium sempervirens) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richardson, Texas, February 22, 2009
 Flower buds of Carolina jessamine (Gelsemium sempervirens) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richardson, Texas, February 22, 2009
 Rose vervain (Glandularia canadensis) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Richards Loop Trail in Sam Houston National Forest. Texas, October 20, 2024
 Tiny flower of Small bluets (Star-violet, Hedyotis crassifolia) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richardson, Texas, February 22, 2009
 Rose vervain (Glandularia canadensis) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, March 1, 2019
 Rose vervain (Glandularia canadensis) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, March 1, 2019
 Blooming rose vervain (Glandularia canadensis) on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, March 5, 2024
 Rose vervain (Glandularia canadensis) on Forest Service Road 231 near North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, March 5, 2022
 Tiny violet flower of Small bluets (Hedyotis crassifolia) growing among pine needles on Little Lake Creek Loop Trail in Sam Houston National Forest. Richardson, Texas, February 22, 2009
 Flowers of rose vervain (Glandularia canadensis) on Forest Service Road 231 near North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, March 5, 2022
 Rose vervain (Glandularia canadensis) near Pole Creek on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, March 11, 2023
 Butterfly pea in Little Lake Creek Loop Trail in Sam Houston National Forest. Richardson, August 9, 2009
 Rose vervain (Glandularia canadensis) on North Wilderness Trail in Sam Houston National Forest near Montgomery. Texas, April 14, 2022
 Pink flowers of rose vervain (Glandularia canadensis) near Pole Creek on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, March 11, 2023
 Gayfeather (Liatris) in Little Lake Creek Loop Trail in Sam Houston National Forest. Richardson, August 9, 2009
 Flower buds in Little Lake Creek Loop Trail in Sam Houston National Forest. Richardson, August 9, 2009
 Flowers of rose vervain (Glandularia canadensis) on North Wilderness Trail in Sam Houston National Forest near Montgomery. Texas, April 14, 2022
 Skipper butterfgly on gayfeather (Liatris) in Little Lake Creek Loop Trail in Sam Houston National Forest. Richardson, August 9, 2009
 Late-flowering boneset with green lynx spider in Little Lake Creek Loop Trail in Sam Houston National Forest. Richardson, August 9, 2009
 Red flowers of vervain (verbena) in Antique Rose Emporium. Independence, Texas, November 8, 2009
 Slender vervain (Verbena rigida) on road FS203 near Richards Loop Trail in Sam Houston National Forest. Texas, April 13, 2024
 Verbena (vervain) in Antique Rose Emporium. Independence, Texas, May 13, 2012
 Vervain (Verbena) in Antique Rose Emporium. Independence, Texas, March 31, 2020
 Vervain (Verbena) in Antique Rose Emporium. Independence, Texas, April 14, 2021
 Rosette of leaves of Brazilian vervain (Verbena) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 15, 2023
 Flowers of vervain (verbena) in Antique Rose Emporium. Independence, Texas, March 20, 2019
 Pink vervain (verbena) in Antique Rose Emporium. Independence, Texas, March 20, 2019
 Blue Princess verbena (Vervain) in Antique Rose Emporium. Independence, Texas, May 28, 2012
 Flowers of vervain (Verbena) in Antique Rose Emporium. Independence, Texas, April 14, 2021
 Blue Princess Verbena (vervain) in Antique Rose Emporium. Independence, Texas, May 13, 2012
 White and red vervain (verbena) in Antique Rose Emporium. Independence, Texas, March 20, 2019
 Pink vervain (Verbena) in Antique Rose Emporium. Independence, Texas, November 17, 2012
 Vervain (Verbena bonariensis) in Antique Rose Emporium. Independence, Texas, April 20, 2024
 Texas vervain (verbena) in dew in Lake Bryan Park, on an unmarked trail on north-west side of the island. Bryan, Texas, April 14, 2009
 Slender vervain (verbena) in Lick Creek Park. College Station, Texas, April 24, 2009
 Purpletop vervain (Verbena bonariensis) in Antique Rose Emporium. Independence, Texas, April 13, 2023
 Slender vervain (verbena) flowers in Lick Creek Park. College Station, Texas, March 25, 2009
 Canada wildrye (Elymus canadensis)(?) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Leaves of Canadian black snakeroot (Sanicula canadensis) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, April 16, 2019
 Leaves of Canadian black snakeroot (Sanicula canadensis) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, April 16, 2022
 Shoots of Canadian black snakeroot (Sanicula canadensis) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, April 16, 2022
 Verbena (vervain) with Omnivorous platynota moth (Platynota rostrana) in Antique Rose Emporium. Independence, Texas, May 28, 2012
 Omnivorous platynota moth (Platynota rostrana) on verbena (vervain) in Antique Rose Emporium. Independence, Texas, May 28, 2012
 Slender vervain (verbena) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
 Slender vervain (verbena) in Birch Creek Unit of Lake Somerville State Park, Texas, July 22, 2018
 Vervain (Verbena) on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 9, 2008
 Leaves of vervain (verbena) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, May 7, 2023
 Vervain (Verbena) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 14, 2019
 Slender vervain (verbena) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, May 7, 2023
 Slender vervain (verbena) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 30, 2021
 Slender vervain (verbena) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, June 19, 2022
 Slender vervain (verbena) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, June 14, 2020
 Slender vervain (verbena) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 17, 2021
 Blooming slender vervain (verbena) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 30, 2021
 Slender vervain (verbena) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 24, 2009
 Verbena (vervain) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 13, 2009
 Violet flowers of Wright s vervain (Verbena wrightii)(?) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 9, 2009
 Plant of white vervain (Verbena urticifolia) on Raccoon Run Trail in Lick Creek Park. College Station, Texas, August 28, 2020
 Macartney rose (Rosa bracteata) in a pine forest on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Macartney rose (Rosa bracteata) in Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, May 26, 2012
 Texas(?) vervain (verbena) on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 21, 2008
 Texas vervain (Verbena halei) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 14, 2024
 Vervain (verbena) flower near Horseshoe Lake in Brazos Bend State Park. Needville, Texas, December 14, 2008
 Flowers of slender vervain (verbena) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 28, 2024
 Verbena (vervain) in Huntsville State Park on Chinquapin Trail. Texas, April 3, 2010.
 Slender vervain (verbena) with a crab spider when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 28, 2024
 Verbena (Vervain) in Mercer Arboretum and Botanical Gardens. Humble (Houston area), Texas, October 14, 2012
 Canada wild rye (Elymus canadensis)(?) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Spikes of Canada wild rye (Elymus canadensis)(?) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Slender vervain (verbena) in Lick Creek Park. College Station, Texas, May 4, 2020
 Blooming Rock-rose (frostweed, sunrose, Helianthemum carolinianum) in Sam Houston National Forest on Little Lake Creek Loop Trail. Richards, Texas, April 4, 2010.
 Rose-tinted Amanita mushroom (Amanita roseotincta, A. roseitincta) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, May 5, 2023
 Underside of rose-tinted Amanita mushroom (Amanita roseotincta, A. roseitincta) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, May 5, 2023
 Gills of rose-tinted Amanita mushroom (Amanita roseotincta, A. roseitincta) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, May 5, 2023
 Yellow flower of Rock-rose (frostweed, sunrose, Helianthemum carolinianum) in Sam Houston National Forest on Little Lake Creek Loop Trail. Richards, Texas, April 4, 2010.
 Phlox flowers on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 29, 2009
 Brazilian vervain (Verbena brasiliensis) in Lick Creek Park. College Station, Texas, August 1, 2021
 Brazilian vervain (Verbena brasiliensis) in Lick Creek Park. College Station, Texas, August 12, 2021
 White vervain (Verbena urticifolia) in Lick Creek Park. College Station, Texas, September 13, 2023
 Artichoke-shaped gall on on the top of a shoot of goldenrod Solidago canadensis on Richards Loop Trail in Sam Houston National Forest. Texas, July 10, 2022
 Red shoot of mustang grape on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 29, 2009
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