 Flowers of rose vervain (Glandularia canadensis) at Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 8, 2019
 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) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 8, 2020
 Rose vervain (Glandularia canadensis) in dew on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 8, 2020
 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, 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 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
 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
 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, February 28, 2023
 Rose vervain (Glandularia canadensis) on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, March 28, 2021
 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
 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
 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
 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
 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
 Rose vervain (Glandularia canadensis) on North Wilderness Trail in Sam Houston National Forest near Montgomery. Texas, April 14, 2022
 Flowers of rose vervain (Glandularia canadensis) on North Wilderness Trail in Sam Houston National Forest near Montgomery. Texas, April 14, 2022
 Rose vervain (Verbena canadensis) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richardson, Texas, February 22, 2009
 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
 Canada wildrye (Elymus canadensis)(?) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Macartney rose (Rosa bracteata) in a pine forest 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
 Some fresh leaves at Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 8, 2019
 Flower of dewberry at Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 8, 2019
 Some blooming tree like a maple at Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 8, 2019
 Young leaves of hawthorn at Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 8, 2019
 Flower of dewberry with a stilt bug at Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 8, 2019
 Mushroom Amanita morrisii in a pine forest at Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 8, 2019
 Flower of blue violet (Viola) in a pine forest at Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 8, 2019
 Fragrant sumac (Rhus aromatica) with flowers at Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 8, 2019
 Macartney rose (Rosa bracteata) in Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, May 26, 2012
 Canada wild rye (Elymus canadensis)(?) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Rock-rose on Forest Service Road 203 on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Blooming Rock-rose (frostweed, sunrose, Helianthemum carolinianum) in Sam Houston National Forest on Little Lake Creek Loop Trail. Richards, Texas, April 4, 2010.
 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
 Rock-rose (Helianthemum carolinianum) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Rock-rose (Helianthemum carolinianum) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Slender vervain (Verbena rigida) on road FS203 near Richards Loop Trail in Sam Houston National Forest. Texas, April 13, 2024
 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.
 Rock-rose (Helianthemum carolinianum) on Road FS 203 near on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Blooming rock-rose (Helianthemum carolinianum) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Blooming rock-rose (Helianthemum carolinianum) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 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
 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
 Yellow flower of rock-rose (Helianthemum carolinianum) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Yellow flower of rock-rose (Helianthemum carolinianum) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Bur-like seed capsules with hooks of Canadian black snakeroot (Sanicula canadensis) on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
 Blooming rock-rose (frostweed, sunrose, Helianthemum carolinianum) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Yellow flower of rock-rose (Helianthemum carolinianum) on Road FS 203 near on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Flower of rock-rose (frostweed, sunrose, Helianthemum carolinianum) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Dayflower (Commelina) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Winecup (Callirhoe) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Sunflower (Helianthus) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Dayflower (Commelina) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Reddish shoot of elm(?) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 29, 2019
 Dayflower (Commelina) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 29, 2019
 Spiderwort (Tradescantia) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Brown corticioid fungus under a log in a pine forest on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 21, 2019
 Yellow flower of rock-rose (frostweed, sunrose, Helianthemum carolinianum) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Milkcap (Lactarius) mushrooms on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 29, 2019
 (Amanita texasorora mushrooms on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 29, 2019
 Spurge Euphorbia corollata on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 21, 2019
 Blooming spiderwort (Tradescantia) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Flowers of spiderwort (Tradescantia) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Young leaves of a tree on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 29, 2019
 Blue dayflower (Commelina) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Beautyberry (Callicarpa americana) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Close up of dayflower (Commelina) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Butterfly pea (Centrosema virginianum) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Shoot of gayfeather (Liatris) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Butterfly pea (Centrosema virginianum) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Corticioid mushroom on underside of an oak(?) log on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 21, 2019
 Rustgill mushrooms (Gymnopilus) on a log on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 29, 2019
 Brown corticioid fungus under a log on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 21, 2019
 Coneflowers Echinacea sanguinea on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Winecup flower (Callirhoe) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Powderpuff (Mimosa strigillosa) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Butterfly pea (Centrosema virginianum) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 29, 2019
 Fibrecap mushrooms (Mallocybe or Inocybe) in a pine forest on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 29, 2019
 Milkcap mushrooms Lactarius paradoxus on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, November 18, 2019
 Leaves of Partridge pea (Cassia fasciculata) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Flower of butterfly pea (Centrosema virginianum) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 29, 2019
 Young leaves of flameleaf sumac on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Brown corticioid fungus on an upturned log on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 21, 2019
 Pink flower of winecup (Callirhoe) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Shoot of partridge pea (Cassia fasciculata) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 29, 2019
 Bolete mushrooms Suillus hirtellus on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, November 1, 2019
 Leaves of partridge pea (Cassia fasciculata) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 29, 2019
 Colombian waxweed (Cuphea carthagenensis) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 29, 2019
 Flowering spurge (Euphorbia corollata) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 21, 2019
 Blooming spurge Euphorbia corollata on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 21, 2019
 Seed pod of coral beans (Erythrina) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 21, 2019
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