Flower buds of mountain mint (Pycnanthemum tenuifolium) on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
Mountain mint (Pycnanthemum tenuifolium) on Richards Loop Trail in Sam Houston National Forest. Texas, July 12, 2020
Blooming mountain mint (Pycnanthemum tenuifolium) on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
Mountain mint (Pycnanthemum tenuifolium) on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
Mountain mint (Pycnanthemum tenuifolium) on Richards Loop Trail in Sam Houston National Forest near Montgomery. Texas, July 19, 2022
Mountain mint (Pycnanthemum tenuifolium) on Richards Loop Trail in Sam Houston National Forest. Texas, August 15, 2021
Mountain mint (Pycnanthemum tenuifolium) on Richards Loop Trail in Sam Houston National Forest. Texas, October 1, 2022
Mountain mint (Pycnanthemum tenuifolium) on Richards Loop Trail in Sam Houston National Forest. Texas, August 7, 2021
Mountain mint (Pycnanthemum tenuifolium) on Richards Loop Trail in Sam Houston National Forest. Texas, August 24, 2024
Flowers of mountain mint (Pycnanthemum tenuifolium) on Richards Loop Trail in Sam Houston National Forest. Texas, August 7, 2021
Mountain mint (Pycnanthemum tenuifolium) 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, September 21, 2024
Blooming mountain mint (Pycnanthemum tenuifolium) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Richards Loop Trail in Sam Houston National Forest near Montgomery. Texas, September 6, 2024
Mountain mint (Pycnanthemum tenuifolium) 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 near Montgomery. Texas, September 6, 2024
Mountain mint (Pycnanthemum tenuifolium) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, August 11, 2019
Flowers of mountain mint (Pycnanthemum tenuifolium) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, August 11, 2019
Mountain mint (Pycnanthemum)(?) on Richards Loop Trail in Sam Houston National Forest. Texas, April 13, 2024
Mountain mint (Pycnanthemum) in Sam Houston National Forest, on Little Lake Creek Loop Trail. Richards, Texas, August 10, 2008
Narrowleaf mountain mint (Pycnanthemum tenuifolium) on Sundew Trail in Big Thicket National Preserve. Kountze, Texas, August 2, 2014
Mountain mint (Pycnanthemum tenuifolium) near Pole Creek on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, October 6, 2022
Mountain mint (Pycnanthemum) on Kirby Trail in Big Thicket National Preserve. Kountze, Texas, August 2, 2014
Tachinid(?) fly on Mountain mint (Pycnanthemum) on Kirby Trail in Big Thicket National Preserve. Kountze, Texas, August 2, 2014
Red leaves and flower buds of mustang grape on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
Flower buds of orange milkweed (Asclepias tuberosa) on Richards Loop Trail in Sam Houston National Forest. Texas, April 13, 2024
Gayfeather (Liatris) flower on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
Flower buds of white-flowered milkweed (Asclepias variegata) on Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2022
Flower buds of orange milkweed (Asclepias tuberosa) in Sam Houston National Forest, on Little Lake Creek Loop Trail. Richards, Texas, May 18, 2014
Flower buds of white-flowered milkweed (Asclepias variegata) on Richards Loop Trail in Sam Houston National Forest. Texas, April 13, 2024
Flower buds of White-flowered milkweed (Asclepias variegata) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, May 8, 2010
Flower buds of blazing star (Liatris, gayfeather) in Sam Houston National Forest, on Little Lake Creek Loop Trail. Richards, Texas, August 10, 2008
Flower of hairy wild petunia (Ruellia humilis) on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
St. Andrew cross flower (Hypericum, Ascyrum hypericoides) on Richards Loop Trail in Sam Houston National Forest. Texas, July 12, 2020
Blooming st. Andrew cross flower (Hypericum, Ascyrum hypericoides) on Richards Loop Trail in Sam Houston National Forest. Texas, July 12, 2020
Small bee on a flower of St. Peter s-wort (Hypericum crux-andreae) on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
Yellow flower of St. Peter s-wort (Hypericum crux-andreae) on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
Narrowleaf, or slender mountainmint (Pycnanthemum tenuifolium) on Sundew Trail in Big Thicket National Preserve. Kountze, Texas, June 12, 2022
White flowers of narrowleaf, or slender mountainmint (Pycnanthemum tenuifolium) on Sundew Trail in Big Thicket National Preserve. Kountze, Texas, June 12, 2022
Small yellow flower of pea family (Pencil flower, Stylosanthes biflora) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 20, 2008
Flower of blackberry on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
Pencil flower (Stylosanthes biflora) on Richards Loop Trail in Sam Houston National Forest. Texas, June 27, 2020
Flower of sensitive brier (Schrankia uncinata)(?) on Richards Loop Trail in Sam Houston National Forest. Texas, May 10, 2020
Flower buds in Little Lake Creek Loop Trail in Sam Houston National Forest. Richardson, August 9, 2009
Commelina flower on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 13, 2014
Ruellia flower on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 13, 2014
Macartney rose (Rosa bracteata) with flower beetles on Richards Loop Trail in Sam Houston National Forest. Texas, April 28, 2020
Winecup flower (Callirhoe) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 7, 2013
Flower of Ruellia nudiflora on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 13, 2014
Blue flower of Commelina on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 13, 2014
Close-up of a flower of butterfly pea (Centrosema virginianum) on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
Back lit flower of butterfly pea (Centrosema virginianum) on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
Blue flower of Commelina on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 13, 2014
Flower of elephant foot (Elephantopus carolinianus) on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
Flower of rock-rose (frostweed, sunrose, Helianthemum carolinianum) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
Dayflower (Commelina) on Richards Loop Trail in Sam Houston National Forest. Texas, July 12, 2020
Croton glandulosus on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
Little bluestem(?) grass on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
Some green shoot on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
Tiny flower of buttonweed (Poor-Joe, Diodia teres) on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
Flower of shrubby water-primrose (Ludwigia octovalvis) on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
Flower of Butterfly pea (Centrosema virginianum) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 13, 2014
Flower buds of woolly-white (Hymenopappus) on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, March 28, 2021
Flower buds of coralbean (Erythrina herbacea) on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, April 30, 2022
Flower buds of goldenrod (Solidago) on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, October 1, 2020
Yellow leaf of passion flower (Passiflora lutea) on Sand Branch Loop Trail in Sam Houston National Forest near Richards. Texas, November 20, 2020
Flower spike of nodding ladies-tresses orchid (Spiranthes cernua) on Richards Loop Trail in Sam Houston National Forest. Texas, November 5, 2020
Yellow flower of rock-rose (frostweed, sunrose, Helianthemum carolinianum) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
Flower spike of nodding ladies-tresses orchid (Spiranthes cernua) on Richards Loop Trail in Sam Houston National Forest. Texas, October 22, 2020
Beautyberry (Callicarpa americana) on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
Butterfly pea (Centrosema virginianum) on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
Butterfly pea (Centrosema virginianum) on Richards Loop Trail in Sam Houston National Forest. Texas, July 12, 2020
Close-up of dayflower (Commelina) on Richards Loop Trail in Sam Houston National Forest. Texas, July 12, 2020
Foxtail like grass (Setaria) on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
Dandelion like seed head on Richards Loop Trail in Sam Houston National Forest. Texas, July 12, 2020
Distorted growth of oak leaves on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
Tendrils of greenbrier (Smilax) on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
Pink powderpuff flower (Mimosa strigillosa) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 7, 2013
Back lit flower of Butterfly pea (Centrosema virginianum) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 7, 2013
Green passion flower (Passiflora lutea) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 20, 2008
Close-up of a flower of shrubby water-primrose (Ludwigia octovalvis) on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
Western ironweed (Vernonia baldwini) flower on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 20, 2008
Flower buds of Carolina jessamine (Gelsemium sempervirens) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richardson, Texas, February 22, 2009
Buds of elephant foot (Elephantopus carolinianus) in Sam Houston National Forest, on Little Lake Creek Loop Trail. Richards, Texas, August 10, 2008
Fieldcap mushrooms Agrocybe retigera taken from grass near the trail on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
Blooming butterfly pea (Centrosema virginianum) on Richards Loop Trail in Sam Houston National Forest. Texas, July 12, 2020
Close-up of flowers of gayfeather (Liatris) on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
Shoot of farkleberry (Vaccinium arboreum) on Richards Loop Trail in Sam Houston National Forest. Texas, July 12, 2020
Southern dawnflower (Stylisma humistrata) on Richards Loop Trail in Sam Houston National Forest. Texas, July 12, 2020
Bolete mushroom Boletus patrioticus on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
Purple pleatleaf (Alophia drummondii) on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
Tiny yellow flowers of Hypericum(?) on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
Back lit butterfly pea (Centrosema virginianum) on Richards Loop Trail in Sam Houston National Forest. Texas, July 12, 2020
Dry handeless coneflower (Echinacea sanguinea) on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
Slender woodoats (Chasmanthium laxum) on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
Purple bindweed (Ipomoea cordatotriloba) on Richards Loop Trail in Sam Houston National Forest. Texas, July 12, 2020
Tall goldenrod (Solidago altissima) on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
Southern wax myrtle (Myrica cerifera) on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
Close-up of butterfly pea (Centrosema virginianum) on Richards Loop Trail in Sam Houston National Forest. Texas, July 12, 2020
Dayflower (Commelina) with blue flowers on Richards Loop Trail in Sam Houston National Forest. Texas, July 12, 2020
Yellow and green passion flower (Passiflora lutea) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 20, 2008
St. Andrew cross (Ascyrum hypericoides, Hypericum) flower on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 20, 2008
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