Flower of hairy Ruellia (Ruellia humilis) on Richards Loop Trail in Sam Houston National Forest. Texas, September 8, 2021
Hairy Ruellia (Ruellia humilis) on Richards Loop Trail in Sam Houston National Forest. Texas, August 7, 2021
Hairy Ruellia (Ruellia humilis) on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
Hairy Ruellia (Ruellia humilis) on Richards Loop Trail in Sam Houston National Forest. Texas, August 15, 2021
Hairy Ruellia (Ruellia humilis) on Richards Loop Trail in Sam Houston National Forest. Texas, August 7, 2021
Flowers of hairy Ruellia (Ruellia humilis) on Richards Loop Trail in Sam Houston National Forest. Texas, August 15, 2021
Flower of hairy Ruellia (Ruellia humilis) on Richards Loop Trail in Sam Houston National Forest. Texas, August 7, 2021
Flowers of hairy Ruellia (Ruellia humilis) on Richards Loop Trail in Sam Houston National Forest. Texas, August 7, 2021
Flowers of hairy Ruellia (Ruellia humilis) on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
Close-up of a flower of hairy Ruellia (Ruellia humilis) on Richards Loop Trail in Sam Houston National Forest. Texas, August 15, 2021
Hairy Ruellia (Ruellia humilis) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 29, 2019
Hairy Ruellia (Ruellia humilis) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
Blooming hairy Ruellia (Ruellia humilis) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
Close up of hairy Ruellia (Ruellia humilis) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
Flower of hairy Ruellia (Ruellia humilis) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
Close up of a flower of hairy Ruellia (Ruellia humilis) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
Hairy Ruellia (Ruellia humilis) in a pine forest on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
Hairy wild petunia (Ruellia humilis) on Richards Loop Trail in Sam Houston National Forest. Texas, July 12, 2020
Hairy wild petunia (Ruellia humilis) 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, July 28, 2020
Flower of hairy wild petunia (Ruellia humilis) on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
Flowers of hairy wild petunia (Ruellia humilis) on Richards Loop Trail in Sam Houston National Forest. Texas, July 12, 2020
Blooming hairy wild petunia (Ruellia humilis) on Richards Loop Trail in Sam Houston National Forest. Texas, July 12, 2020
Wild petunia (Ruellia caroliniensis(?)) 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
Ruellia nudiflora 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
Flower of Ruellia nudiflora on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 13, 2014
Violet ruella (Ruellia nudiflora) in Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, May 26, 2012
Violet ruella (Ruellia nudiflora) in Sam Houston National Forest, on Little Lake Creek Loop Trail. Richards, Texas, May 18, 2014
Flower of violet ruella (Ruellia nudiflora) in Sam Houston National Forest, on Little Lake Creek Loop Trail. Richards, Texas, May 18, 2014
Violet ruella (Ruellia caroliniensis) flower on a trail in Sam Houston National Forest, near Road 149, near Richards. Texas, May 15, 2010
Black hairy caterpillar on Richards Loop Trail in Sam Houston National Forest. Texas, September 8, 2021
Small flower ruellia (Ruellia caroliniensis) in Mercer Arboretum and Botanical Gardens. Humble (Houston area), Texas, July 20, 2013
Back lit violet ruella (Ruellia caroliniensis) flowers on a trail in Sam Houston National Forest, near Road 149, near Richards. Texas, May 15, 2010
Violet ruella (Ruellia caroliniensis) flower with water drops on a trail in Sam Houston National Forest, near Road 149, near Richards. Texas, May 15, 2010
Mexican petunia (Ruellia simplex, Ruellia brittoniana) in a park at Al Intisar Street near a corner with Onaiza. Doha, Qatar, May 3, 2015
Flower of Mexican petunia (Ruellia simplex, Ruellia brittoniana) in a park at Al Intisar Street near a corner with Onaiza. Doha, Qatar, May 3, 2015
Mexican petunia (Ruellia simplex, Ruellia brittoniana) in a park at Al Intisar Street near a corner with Onaiza. Doha, Qatar, December 1, 2015
Back lit flower of Mexican petunia (Ruellia simplex, Ruellia brittoniana) in a park at Al Intisar Street near a corner with Onaiza. Doha, Qatar, May 3, 2015
Wild petunia (Ruellia) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, May 12, 2022
Blooming Ruellia on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, April 23, 2020
Wild petunia (Ruellia) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, April 23, 2022
Flower of Ruellia and resurrection fern on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, April 23, 2020
Mexican petunia (Ruellia simplex, Ruellia brittoniana) near a creek in Bee Creek Park. College Station, Texas, August 22, 2019
Flowers of Mexican petunia (Ruellia simplex, Ruellia brittoniana) near a creek in Bee Creek Park. College Station, Texas, August 22, 2019
Mexican petunia (Ruellia simplex, Ruellia brittoniana) in the creek in Wolf Pen Creek Park. College Station, Texas, August 8, 2022
Mexican petunia (Ruellia simplex, Ruellia brittoniana) near the creek under power lines in Bee Creek Park. College Station, Texas, July 21, 2020
Hairy leaves of bluestem grass on Richards Loop Trail in Sam Houston National Forest. Texas, August 28, 2021
Hairy stem of bluestem grass on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
Hairy curtain crust fungus (Stereum hirsutum) on Richards Loop Trail in Sam Houston National Forest. Texas, September 25, 2020
Hairy curtain crust fungus (Stereum hirsutum) on a fallen oak on Richards Loop Trail in Sam Houston National Forest. Texas, September 25, 2020
Red hairy shoot of mustang grape on Richards Loop Trail in Sam Houston National Forest. Texas, April 9, 2022
Hairy leaves of spiderwort (Tradescantia) on Richards Loop Trail in Sam Houston National Forest. Texas, January 21, 2024
Some young hairy leaves on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 29, 2009
Hairy flower of Spiderwort (Tradescantia) in Sam Houston National Forest, on Little Lake Creek Loop Trail. Richards, Texas, May 18, 2014
Hairy leaves of beaked hawkweed (Hieracium gronovii) on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
Rosette of hairy leaves of beaked hawkweed (Hieracium gronovii) on Richards Loop Trail in Sam Houston National Forest. Texas, February 21, 2024
Hairy cap of tooth mushroom Climacodon pulcherrimus (Donkia pulcherrima) on an oak log on Richards Loop Trail in Sam Houston National Forest. Texas, April 6, 2020
Green grasshopper on hairy bush clover (Lespedeza hirta) on Richards Loop Trail in Sam Houston National Forest. Texas, July 10, 2022
Palafoxia rosea on Richards Loop Trail in Sam Houston National Forest. Texas, September 23, 2021
Close-up of hairy fruits of fragrant sumac (Rhus aromatica) on Sand Branch Loop Trail in Sam Houston National Forest near Richards. Texas, May 2, 2020
Flowers of Palafoxia rosea on Richards Loop Trail in Sam Houston National Forest. Texas, September 23, 2021
Water-primrose (Ludwigia) on Richards Loop Trail in Sam Houston National Forest. Texas, September 8, 2021
Beautyberry (callicarpa americana) on Richards Loop Trail in Sam Houston National Forest. Texas, September 8, 2021
Yellow-bellied grasshopper on Richards Loop Trail in Sam Houston National Forest. Texas, September 8, 2021
Caterpillar munching leaf of an oak on Richards Loop Trail in Sam Houston National Forest. Texas, September 8, 2021
Green lynx spider on Richards Loop Trail in Sam Houston National Forest. Texas, September 8, 2021
Hairy bush clover (Lespedeza hirta) with rust fungus Uromyces lespedezae or may be Cercospora on Richards Loop Trail in Sam Houston National Forest. Texas, July 10, 2022
Purple dewdrop (Lobelia puberula) on Richards Loop Trail in Sam Houston National Forest. Texas, September 8, 2021
Fruits of beautyberry (callicarpa americana) on Richards Loop Trail in Sam Houston National Forest. Texas, September 8, 2021
Flowering spurge (Euphorbia corollata) on Richards Loop Trail in Sam Houston National Forest. Texas, September 8, 2021
Sensitive brier (Schrankia uncinata)(?) on Richards Loop Trail in Sam Houston National Forest. Texas, September 23, 2021
Purple bindweed (Ipomoea cordatotriloba) on Richards Loop Trail in Sam Houston National Forest. Texas, September 8, 2021
Baby caterpillars eating oak leaves on Richards Loop Trail in Sam Houston National Forest. Texas, September 8, 2021
Flowering spurge Euphorbia corollata on Richards Loop Trail in Sam Houston National Forest. Texas, September 23, 2021
Ruellia flower, near a parking lot of Sundew Trail in Big Thicket National Preserve. Kountze, Texas, August 2, 2014
Ruella (Ruellia) on a trail in Mercer Arboretum and Botanical Gardens. Humble (Houston area), Texas, May 15, 2010
Leaves of hairy bush clover (Lespedeza hirta) with rust fungus Uromyces lespedezae or may be Cercospora on Richards Loop Trail in Sam Houston National Forest. Texas, July 10, 2022
Shoots of hairy bush clover (Lespedeza hirta) with rust fungus Uromyces lespedezae or may be Cercospora on Richards Loop Trail in Sam Houston National Forest. Texas, July 10, 2022
Mistflower (Eupatorium coelestinum, Wild ageratum) on Richards Loop Trail in Sam Houston National Forest. Texas, September 8, 2021
Mistflower (Eupatorium coelestinum, Wild ageratum) on Richards Loop Trail in Sam Houston National Forest. Texas, September 23, 2021
White flowering spurge Euphorbia corollata on Richards Loop Trail in Sam Houston National Forest. Texas, September 8, 2021
Green lynx spider on gayfeather (Liatris) on Richards Loop Trail in Sam Houston National Forest. Texas, September 8, 2021
Mistflower (Eupatorium coelestinum, wild ageratum) on Richards Loop Trail in Sam Houston National Forest. Texas, September 8, 2021
Close-up of flowering spurge Euphorbia corollata on Richards Loop Trail in Sam Houston National Forest. Texas, September 23, 2021
Trailing fuzzy-bean (Strophostyles helvola) on Richards Loop Trail in Sam Houston National Forest. Texas, September 8, 2021
Trailing fuzzy-bean (Strophostyles helvola) on Richards Loop Trail in Sam Houston National Forest. Texas, September 23, 2021
Ruella (Ruellia) in Antique Rose Emporium. Independence, Texas, August 27, 2021
Blooming mistflower (Eupatorium coelestinum, wild ageratum) on Richards Loop Trail in Sam Houston National Forest. Texas, September 8, 2021
Elegant gayfeather (pinkscale, Liatris hesperelegans, former L. elegans) on Richards Loop Trail in Sam Houston National Forest. Texas, September 23, 2021
Caps of hairy polypore mushrooms Hexagonia hydnoides (Cerrena hydnoides) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, May 23, 2018
Close up of hairy polypore mushrooms Hexagonia hydnoides (Cerrena hydnoides) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, May 23, 2018
Hairy polypore mushrooms Hexagonia hydnoides (Cerrena hydnoides) on a fallen oak on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, May 23, 2018
Early blooming winter annual weed hairy bittercress (Cardamine hirsuta) in a shallow depression on side of FS203 near Richards Loop Trail in Sam Houston National Forest. Texas, February 21, 2024
Black balls of rust fungus Uromyces lespedezae or may be Cercospora from underside of leaves of hairy bush clover collected on Richards Loop Trail in Sam Houston National Forest. Texas, July 10, 2022
Soldier Beetle (Chauliognathus) on flowers of late-flowering boneset on Richards Loop Trail in Sam Houston National Forest. Texas, September 6, 2021
Trailing fuzzy-bean (Strophostyles helvola) with flowers and fruits on Richards Loop Trail in Sam Houston National Forest. Texas, September 23, 2021
Hairy caps of cloud ear jelly mushrooms (Auricularia nigricans) on a fallen branch on Four Notch Loop Trail of Sam Houston National Forest near Huntsville. Texas, January 23, 2021
Black balls of rust fungus Uromyces lespedezae or may be Cercospora from underside of leaves of hairy bush clover under a microscope at low magnifications collected on Richards Loop Trail in Sam Houston National Forest. Texas, July 10, 2022
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