 Nodding beardtongue (Penstemon laxiflorus) on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Flowers of nodding beardtongue (Penstemon laxiflorus) on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Inflorescence of nodding beardtongue (Penstemon laxiflorus) on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Tubular flowers of nodding beardtongue (Penstemon laxiflorus) on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Nodding beardtongue (Penstemon laxiflorus) on Richards Loop Trail in Sam Houston National Forest. Texas, March 26, 2020
 Nodding beardtongue (Penstemon laxiflorus) on Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2022
 Flowers of nodding beardtongue (Penstemon laxiflorus) on Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2022
 Nodding beardtongue (Penstemon laxiflorus) in Sam Houston National Forest, on Little Lake Creek Loop Trail. Richards, Texas, May 18, 2014
 Small white tubular unopened flowers of nodding beardtongue (Penstemon laxiflorus or australis) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 29, 2009
 Nodding beardtongue (Penstemon laxiflorus) on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, April 9, 2019
 Flowers of nodding beardtongue (Penstemon laxiflorus) on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, April 9, 2019
 Nodding beardtongue (Penstemon laxiflorus) in Bastrop State Park. Bastrop, Texas, May 12, 2012
 Blooming blackberry on Road FS 203 near on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Flowers of Nodding Ladies-Tresses Orchid (Spiranthes cernua) on Richards Loop Trail in Sam Houston National Forest. Texas, October 20, 2024
 Showy beardtongue (prairie penstemon, Penstemon cobaea) on Moore s Hill Outcrop at FM Road 3090 near Navasota. Texas, April 21, 2018
 Blooming woolly-white (Hymenopappus) on Road FS 203 near on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Blooming blue eyed grass (Sisyrinchium) 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
 Blooming Carolina jessamine (Gelsemium sempervirens) on Richards Loop Trail in Sam Houston National Forest. Texas, March 3, 2024
 Blooming lyreleaf sage (Salvia lyrata) on Road FS 203 near Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Nodding ladies-tresses orchid (Spiranthes cernua) 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 aster on Richards Loop Trail in Sam Houston National Forest. Texas, October 20, 2024
 Blooming narrowleaf silkgrass (Pityopsis graminifolia) on Richards Loop Trail in Sam Houston National Forest. Texas, October 20, 2024
 Blooming pink powderpuff flower (Mimosa strigillosa) on Richards Loop Trail in Sam Houston National Forest. Texas, May 1, 2024
 Nodding ladies-tresses orchid (Spiranthes cernua) on Richards Loop Trail in Sam Houston National Forest. Texas, October 22, 2020
 Nodding Ladies-Tresses Orchid (Spiranthes cernua) on Richards Loop Trail in Sam Houston National Forest. Texas, October 29, 2022
 Nodding Ladies-Tresses orchid (Spiranthes cernua) on Richards Loop Trail in Sam Houston National Forest. Texas, October 18, 2022
 Blooming hawthorn on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Blooming blackberry on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Inflorescence of nodding Ladies-Tresses Orchid (Spiranthes cernua) on Richards Loop Trail in Sam Houston National Forest. Texas, November 5, 2020
 Close-up of nodding Ladies-Tresses Orchid (Spiranthes cernua) on Richards Loop Trail in Sam Houston National Forest. Texas, November 5, 2020
 Close-up of nodding Ladies-Tresses orchid (Spiranthes cernua) on Richards Loop Trail in Sam Houston National Forest. Texas, October 18, 2022
 Flowers of nodding ladies-tresses orchid (Spiranthes cernua) on Richards Loop Trail in Sam Houston National Forest. Texas, November 5, 2020
 Inflorescence of nodding ladies-tresses orchid (Spiranthes cernua) on Richards Loop Trail in Sam Houston National Forest. Texas, October 22, 2020
 Flowers of nodding ladies-tresses orchid (Spiranthes cernua) on Richards Loop Trail in Sam Houston National Forest. Texas, October 22, 2020
 Nodding Ladies-Tresses Orchid (Spiranthes cernua) in a pine forest on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, November 11, 2018
 Early blooming hawthorn on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Blooming woolly-white (Hymenopappus artemisiaefolius) on road FS203 near Richards Loop Trail in Sam Houston National Forest. Texas, April 13, 2024
 Nodding Ladies-Tresses Orchid (Spiranthes cernua) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, November 11, 2018
 Nodding Ladies-Tresses Orchid (Spiranthes cernua) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, October 20, 2018
 Flower spike of nodding ladies-tresses orchid (Spiranthes cernua) on Richards Loop Trail in Sam Houston National Forest. Texas, October 22, 2020
 Nodding Ladies-Tresses Orchid (Spiranthes cernua) on Sand Branch Loop Trail in Sam Houston National Forest near Richards. Texas, November 3, 2019
 Flower spike of nodding ladies-tresses orchid (Spiranthes cernua) on Richards Loop Trail in Sam Houston National Forest. Texas, November 5, 2020
 Blooming elegant gayfeather (pinkscale, Liatris hesperelegans, former L. elegans) on Richards Loop Trail in Sam Houston National Forest near Montgomery. Texas, September 6, 2024
 Beardtongue (Penstemon secundiflorus) flower north from Capulin Canyon in Bandelier National Monument. New Mexico, near Los Alamos, May 24, 2008
 Beardtongue (Penstemon secundiflorus) flowers north from Capulin Canyon in Bandelier National Monument. New Mexico, near Los Alamos, May 25, 2008
 Flowers of nodding Ladies-Tresses Orchid (Spiranthes cernua) on Sand Branch Loop Trail in Sam Houston National Forest near Richards. Texas, November 3, 2019
 Close up of nodding Ladies-Tresses Orchid (Spiranthes cernua) on Sand Branch Loop Trail in Sam Houston National Forest near Richards. Texas, November 3, 2019
 Flowers of Nodding Ladies-Tresses Orchid (Spiranthes cernua) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, October 20, 2018
 Blooming aster (Symphyotrichum) 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 rock-rose (Helianthemum carolinianum) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Blooming dewberry (Rubus) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 29, 2009
 Blooming rock-rose (Helianthemum carolinianum) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Some blooming tree like a maple at Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 8, 2019
 Nodding Ladies-Tresses Orchids (Spiranthes cernua) on black background on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, October 20, 2018
 Downy phlox (Phlox pilosa) blooming over young oak on Richards Loop Trail in Sam Houston National Forest. Texas, April 13, 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
 Downy phlox (Phlox pilosa) blooming over young pine on Richards Loop Trail in Sam Houston National Forest. Texas, April 13, 2024
 Blooming Zizotes milkweed (Asclepias oenotheroides) 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, August 24, 2024
 Blooming rock-rose (frostweed, sunrose, Helianthemum carolinianum) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Downy phlox (Phlox pilosa) blooming over bracken fern on road FS203 near Richards Loop Trail in Sam Houston National Forest. Texas, April 13, 2024
 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
 Blooming yellow wood sorrel (shamrock, Oxalis dillenii?) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 29, 2009
 Blooming downy phlox (Phlox pilosa) on Richards Loop Trail in Sam Houston National Forest. Texas, March 26, 2020
 Shoot of peppervine on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Nodding Ladies-Tresses Orchid (Spiranthes cernua) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Sam Houston National Forest. Richards, Texas, October 12, 2024
 Young reddish leaves of oak on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Shoot of hickory on Road FS 203 near on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Shoot of mustang grape on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Some small grass on Road FS 203 near on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Flower of blackberry on Forest Service Road 203 on Richards Loop Trail in Sam Houston National Forest. Texas, March 3, 2024
 Yellow flowers of sunflower family on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Daisy fleabane (Erigeron) on Road FS 203 near on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Globe beak-rush (Rhynchospora) on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Small bluets (Hedyotis crassifolia) on Richards Loop Trail in Sam Houston National Forest. Texas, March 3, 2024
 Rose vervain (Glandularia canadensis) on Richards Loop Trail in Sam Houston National Forest. Texas, March 3, 2024
 White fleshy Amanita mushrooms on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Phylloxera galls on hickory leaves on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Woolly-white (Hymenopappus) on Road FS 203 near Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Lyreleaf sage (Salvia lyrata) on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Green milkweed (Asclepias viridis) on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Underside of fieldcap (Agrocybe)(?) mushroom on Richards Loop Trail in Sam Houston National Forest. Texas, March 3, 2024
 Blue spiderwort (Tradescantia) flowers on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 White flowers of blackberry on Road FS 203 near on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Young leaves of hickory on Road FS 203 near on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Blue eyed grass (Sisyrinchium) on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Flowers of blue eyed grass (Sisyrinchium) on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Back lit Phylloxera galls on a hickory leaf on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Spores of fieldcap (Agrocybe)(?) mushroom collected on Richards Loop Trail in Sam Houston National Forest. Texas, March 3, 2024
 Flowers of woolly-white (Hymenopappus) on Road FS 203 near Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Rose vervain (Glandularia canadensis) on Road FS 203 near on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Flowers of woolly-white (Hymenopappus) on Road FS 203 near Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Rock-rose (Helianthemum carolinianum) on Road FS 203 near on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Drummond s skullcap (Scutellaria drummondii) on Road FS 203 near on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 White fleshy Amanita mushrooms under pines on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Small mushrooms Mallocybe unicolor(?) under pines on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Group of mushrooms Mallocybe unicolor(?) under pines on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Close-up of mushrooms Mallocybe unicolor(?) under pines on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Common blue violet (Viola sororia) on Richards Loop Trail in Sam Houston National Forest. Texas, March 3, 2024
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