 Shrubby water-primrose (Ludwigia octovalvis) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Blooming shrubby water-primrose (Ludwigia octovalvis) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Flower of shrubby water-primrose (Ludwigia octovalvis) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Shrubby (narrow-leaf) water-primrose (Ludwigia octovalvis) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 22, 2008
 Close up of a flower of shrubby water-primrose (Ludwigia octovalvis) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Yellow flower of shrubby water-primrose (Ludwigia octovalvis) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Shrubby water-primrose (Ludwigia octovalvis) on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
 Shrubby water-primrose (Ludwigia octovalvis) on Richards Loop Trail in Sam Houston National Forest. Texas, August 7, 2021
 Flower of shrubby water-primrose (Ludwigia octovalvis) on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
 Close-up of a flower of shrubby water-primrose (Ludwigia octovalvis) on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
 Shrubby water-primrose (Ludwigia octovalvis) on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, June 22, 2021
 Shrubby water-primrose (Ludwigia octovalvis) in Lick Creek Park. College Station, Texas, June 30, 2012
 Sepals of shrubby water-primrose (Ludwigia octovalvis) in Lick Creek Park. College Station, June 15, 2008
 Flower of shrubby water-primrose (Ludwigia octovalvis) in Lick Creek Park. College Station, June 15, 2008
 Sepals of shrubby water-primrose (Ludwigia octovalvis) in Lick Creek Park. College Station, Texas, June 30, 2012
 Flower of shrubby water-primrose (Ludwigia octovalvis) in Lick Creek Park. College Station, Texas, June 30, 2012
 Shrubby (narrow-leaf) water-primrose (Ludwigia octovalvis) flower in Lick Creek Park. College Station, Texas, June 8, 2008
 Shrubby water-primrose (Ludwigia octovalvis) in dew in Lick Creek Park. College Station, Texas, July 21, 2019
 Shrubby water-primrose (Ludwigia octovalvis) in Lick Creek Park. College Station, Texas, July 21, 2019
 Shrubby water-primrose (Ludwigia octovalvis) in Watson Rare Native Plant Preserve. Warren, Texas, August 2, 2014
 Shrubby water-primrose (Ludwigia octovalvis) near a pond in Watson Rare Native Plant Preserve. Warren, Texas, August 2, 2014
 Flower bracts of shrubby water-primrose (Ludwigia octovalvis) near a pond in Watson Rare Native Plant Preserve. Warren, Texas, August 2, 2014
 Water-primrose (Ludwigia) on Richards Loop Trail in Sam Houston National Forest. Texas, September 8, 2021
 Water-primrose (Ludwigia) in Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, May 26, 2012
 Flower of water-primrose (Ludwigia) in Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, May 26, 2012
 Shrubby water-primrose (Ludwigia) on Sundew Trail in Big Thicket National Preserve. Kountze, Texas, August 2, 2014
 Narrow-leaf water-primrose (Ludwigia octovalvis) with dew in Lick Creek Park. College Station, June 15, 2008
 Narrow-leaf water-primrose (Ludwigia octovalvis) in Lick Creek Park. College Station, Texas, August 4, 2021
 Blooming narrow-leaf water-primrose (Ludwigia octovalvis) in Lick Creek Park. College Station, Texas, August 4, 2021
 Shoots of water-primrose (Ludwigia octovalvis)(?) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2021
 Water primrose (Ludwigia) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight collected on Stubblefield section of Lone Star hiking trail in Sam Houston National Forest. Texas, September 15, 2024
 Rattle-box water primrose (bushy seedbox, Ludwigia alternifolia) in Lick Creek Park. College Station, Texas, June 3, 2018
 Flowers of rattle-box water primrose (bushy seedbox, Ludwigia alternifolia) in Lick Creek Park. College Station, Texas, June 3, 2018
 Yellow flower of rattle-box water primrose (bushy seedbox, Ludwigia alternifolia) in Lick Creek Park. College Station, Texas, June 3, 2018
 Water-primrose (Ludwigia) in a ditch in Mercer Arboretum and Botanical Gardens. Humble (Houston area), Texas, September 25, 2010
 Shoot of water-primrose (Ludwigia) on shores of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, October 4, 2022
 Glossy leaves of water-primrose (Ludwigia) on shores of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, October 4, 2022
 Some reddish shoot on Richards Loop Trail in Sam Houston National Forest. Texas, June 9, 2022
 Dayflower (Commelina) on Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Bushes of beautyberry on Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Shoot of elm or may be plum on Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, June 9, 2022
 Water primrose (Ludwigia) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Greenway Trail. College Station, Texas, October 18, 2024
 Curled leaves of beautyberry on Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Leaves of blackjack oak and greenbrier on Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Young leaves of a small oak on Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Foxtail-like grass (Setaria) on Richards Loop Trail in Sam Houston National Forest. Texas, June 9, 2022
 Ripening berries of blackberry on Richards Loop Trail in Sam Houston National Forest. Texas, June 9, 2022
 Blue dayflower (Commelina) on Richards Loop Trail in Sam Houston National Forest. Texas, June 9, 2022
 Green berries of grape on Richards Loop Trail in Sam Houston National Forest. Texas, June 9, 2022
 Old cattle pond overgrown by a pine forest on Richards Loop Trail in Sam Houston National Forest. Texas, June 9, 2022
 Climbing fern (Lygodium japonicum) on Richards Loop Trail in Sam Houston National Forest. Texas, June 9, 2022
 Flowers of beautyberry (Callicarpa americana) on Richards Loop Trail in Sam Houston National Forest. Texas, June 9, 2022
 Winter grape (Vitis cinerea(?)) on Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Flameleaf sumac (Rhus lanceolata) on Richards Loop Trail in Sam Houston National Forest. Texas, June 9, 2022
 Water primrose (Ludwigia) in Lick Creek Park. College Station, Texas, August 9, 2021
 Water primrose (Ludwigia) in Lick Creek Park. College Station, Texas, July 7, 2012
 Water-primrose (Ludwigia) in Lick Creek Park. College Station, Texas, July 1, 2014
 Water primrose (Ludwigia) in Lick Creek Park. College Station, Texas, September 12, 2008
 Water-primrose (Ludwigia) in Ladybird Johnson Wildflower Center. Austin, Texas, July 26, 2008
 Water-primrose (Ludwigia) in Lick Creek Park. College Station, Texas, July 10, 2014
 Water primrose (Ludwigia) in Lick Creek Park. College Station, Texas, August 1, 2021
 Water primrose (Ludwigia) in Lick Creek Park. College Station, Texas, July 15, 2014
 Common ragweed (Ambrosia artemisiifolia) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Canada wild rye (Elymus canadensis)(?) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Macartney rose (Rosa bracteata) at Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, June 9, 2022
 Top view of a shoot of gayfeather (Liatris) at Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, June 9, 2022
 Purple bindweed (Ipomoea cordatotriloba) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Common ragweed (Ambrosia artemisiifolia) at Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, June 9, 2022
 Globe beak-rush Rhynchospora recognita(?) on Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Shoot of Chinese tallow (Sapium sebiferum) on Richards Loop Trail in Sam Houston National Forest. Texas, June 9, 2022
 Shoot of Chinese tallow (Sapium sebiferum) on Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Climbing fern and Canadian moonseed vine on Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Yellow leaves of bracken fern under pines on Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Leaves of paper mulberry (Broussonetia papyrifera)(?) on Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Sanguine purple coneflowers (Echinacea sanguinea) on Richards Loop Trail in Sam Houston National Forest. Texas, June 9, 2022
 Hairy wild petunia (Ruellia humilis) on Richards Loop Trail in Sam Houston National Forest. Texas, June 9, 2022
 Black eyed susan (Rudbeckia hirta) at Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, June 9, 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
 Flower of water primrose (Ludwigia) in Lick Creek Park. College Station, Texas, July 15, 2014
 Flower of water primrose (Ludwigia) in Lick Creek Park. College Station, Texas, August 1, 2021
 Water-primrose (Ludwigia, Onagraceae) in Lick Creek Park. College Station, Texas, August 12, 2021
 Shoot of water-primrose (Ludwigia) from Lick Creek Park. College Station, Texas, August 8, 2023
 Flower of water primrose (Ludwigia) in Lick Creek Park. College Station, Texas, August 1, 2021
 Leaves of water primrose (Ludwigia) in Lick Creek Park. College Station, Texas, August 1, 2021
 Shoot of water-primrose (Ludwigia) in Lick Creek Park. College Station, Texas, March 2, 2023
 Cut-leaved evening primrose (Oenothera laciniata) on Road FS 203 near on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Dry flowers of black eyed susan (Rudbeckia hirta) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Three dry flowers of black eyed susan (Rudbeckia hirta) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Fruit of Nuttall s wild indigo (Baptisia nuttalliana) at Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, June 9, 2022
 Fresh leaf of flameleaf sumac (Rhus lanceolata) on Richards Loop Trail in Sam Houston National Forest. Texas, June 9, 2022
 Felty shoot of common boneset (Eupatorium perfoliatum) on Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Nymph of katidid on water primrose (Ludwigia) in Lick Creek Park. College Station, Texas, August 1, 2021
 Back lit leaves of water-primrose (Ludwigia) in Lick Creek Park. College Station, Texas, March 2, 2023
 Young leaves of water-primrose (Ludwigia) in Lick Creek Park. College Station, Texas, March 2, 2023
 Glossy leaves of water-primrose (Ludwigia) from Lick Creek Park. College Station, Texas, August 8, 2023
 Shoot of water-primrose (Ludwigia) and red water fern (Azolla filiculoides) on shores of Flag Pond at Lake Somerville Trailway, near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023
 Shoot of water-primrose (Ludwigia) and red water fern (Azolla filiculoides) on shores of Flag Pond at Lake Somerville Trailway, near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023
 Skunk in tail-high threat posture among bracken fern on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
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