 Yellow flower of Coreopsis on a forest clearing on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, April 11, 2021
 Pink phlox flower on Richards Loop Trail in Sam Houston National Forest. Texas, April 9, 2022
 Coreopsis flower on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, April 11, 2021
 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.
 Blooming woolly-white (Hymenopappus) with a flower beetle on Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2022
 Yellow coreopsis flower in Lick Creek Park. College Station, Texas, April 29, 2022
 Flower buds of white-flowered milkweed (Asclepias variegata) on Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 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
 Yellow flower of aster family on Richards Loop Trail in Sam Houston National Forest. Texas, August 7, 2021
 Yellow star-grass flower in burned forest in Sam Houston National Forest, on Little Lake Creek Loop Trail. Richards, Texas, May 4, 2008
 Yellow flower of aster family in Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, October 2, 2010
 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
 Yellow star-grass (Hypoxis) on Richards Loop Trail in Sam Houston National Forest. Texas, September 7, 2022
 Flower bud of Coreopsis on Lone Star Hiking Trail south from Stubblefield Campground in Sam Houston National Forest. Huntsville, Texas, April 2, 2019
 Yellow 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 rock-rose (Helianthemum carolinianum) on Road FS 203 near on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
 Yellow leaves of bracken fern under pines on Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Yellow leaf of passion flower (Passiflora lutea) on Sand Branch Loop Trail in Sam Houston National Forest near Richards. Texas, November 20, 2020
 Yellow and green passion flower (Passiflora lutea) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 20, 2008
 Yellow and green passion flower (Passiflora lutea) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 7, 2013
 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 coralbean (Erythrina herbacea) on Richards Loop Trail in Sam Houston National Forest. Texas, May 14, 2022
 Yellow flower of wood sorrel (shamrock, Oxalis dillenii?) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, October 13, 2012
 Yellow and green passion flower (Passiflora lutea) with ferns on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 7, 2013
 Climbing yellow and green passion flower (Passiflora lutea) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 7, 2013
 Yellow flower of shrubby water-primrose (Ludwigia octovalvis) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Back lit yellow and green passion flower (Passiflora lutea) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 7, 2013
 Close up of yellow and green passion flower (Passiflora lutea) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 7, 2013
 Large bolete mushroom with yellow pores and pink stem on Richards Loop Trail in Sam Houston National Forest. Texas, September 7, 2022
 Cap of a large bolete mushroom with yellow pores and pink stem on Richards Loop Trail in Sam Houston National Forest. Texas, September 7, 2022
 Yellow and green passion flower (Passiflora lutea), with corona and pistil, on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 20, 2008
 Underside of a large bolete mushroom with yellow pores and pink stem on Richards Loop Trail in Sam Houston National Forest. Texas, September 7, 2022
 Spores of a large bolete with yellow pores, pink stem collected on Richards Loop Trail in Sam Houston National Forest. Texas, September 7, 2022
 Yellow leaves of laurel greenbrier (catbriar, bamboo vine, Smilax laurifolia) on Richards Loop Trail in Sam Houston National Forest. Texas, July 10, 2022
 Cross section of a large bolete mushroom with yellow pores and pink stem on Richards Loop Trail in Sam Houston National Forest. Texas, September 7, 2022
 Golden yellow bolete mushrooms Buchwaldoboletus hemichrysus near a stump of a burned pine on Richards Loop Trail in Sam Houston National Forest. Texas, September 21, 2022
 Yellow flower of threadleaf coreopsis (thread-leaved tickseed, Coreopsis verticillata) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 26, 2016
 Yellow flower of Carolina jessamine fallen on a pine on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest east from Trail Head No.4. Texas, March 15, 2022
 Drying flower of black eyed susan (Rudbeckia hirta) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Dried flower of black eyed susan (Rudbeckia hirta) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Flower spike of Little Ladies Tresses (Spiranthes tuberosa var. gracilis) on Richards Loop Trail in Sam Houston National Forest. Texas, June 29, 2022
 Shoot of oak on Richards Loop Trail in Sam Houston National Forest. Texas, April 9, 2022
 Cap of a solitary yellow fibrecap (Inocybe) mushroom in muddy area on Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2024
 Young leaves of an oak on Richards Loop Trail in Sam Houston National Forest. Texas, April 9, 2022
 Blooming dewberry on Richards Loop Trail in Sam Houston National Forest. Texas, April 9, 2022
 Blooming hawthorn on Richards Loop Trail in Sam Houston National Forest. Texas, April 9, 2022
 Shoot of sweetgum on Richards Loop Trail in Sam Houston National Forest. Texas, April 9, 2022
 Blooming hawthorn on Richards Loop Trail in Sam Houston National Forest. Texas, April 9, 2022
 Young leaves of oak on Richards Loop Trail in Sam Houston National Forest. Texas, April 9, 2022
 Thistle (Cirsium) on Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2022
 Shoot of beautyberry on Richards Loop Trail in Sam Houston National Forest. Texas, April 9, 2022
 Pink powderpuff flower (Mimosa strigillosa) on Richards Loop Trail in Sam Houston National Forest. Texas, April 13, 2024
 Pores of a large bolete mushroom with yellow pores and pink stem on Richards Loop Trail in Sam Houston National Forest. Texas, September 7, 2022
 Underside of a solitary yellow fibrecap (Inocybe) mushroom in muddy area on Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2024
 Young leaves of beautyberry on Richards Loop Trail in Sam Houston National Forest. Texas, April 9, 2022
 Back lit young leaves of an oak on Richards Loop Trail in Sam Houston National Forest. Texas, April 9, 2022
 Back lit flowers of dewberry on Richards Loop Trail in Sam Houston National Forest. Texas, April 9, 2022
 Young leaves of hickory on Richards Loop Trail in Sam Houston National Forest. Texas, April 9, 2022
 Flower buds of orange milkweed (Asclepias tuberosa) on Richards Loop Trail in Sam Houston National Forest. Texas, April 13, 2024
 Macartney rose (Rosa bracteata) with flower beetles on Richards Loop Trail in Sam Houston National Forest. Texas, April 28, 2020
 Woolly-white (Hymenopappus) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2022
 Side view of a solitary yellow fibrecap (Inocybe) mushroom in muddy area on Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2024
 Pale yellow chanterelle mushrooms (Cantharellus) on floodplain on South Wilderness Loop Trail at Little Lake Creek Wilderness in Sam Houston National Forest near Richards. Texas, May 8, 2022
 Flowers of woolly-white (Hymenopappus) on Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2022
 Blooming poison ivy (Toxicodendron radicans) on Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2022
 Blue eyed grass (Sisyrinchium) on Richards Loop Trail in Sam Houston National Forest. Texas, April 9, 2022
 Green milkweed (Asclepias viridis) on Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2022
 Reddish shoots of some common bush 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, April 9, 2022
 Reddish leaf of mustang grape on Richards Loop Trail in Sam Houston National Forest. Texas, April 9, 2022
 Paper mulberry (Broussonetia papyrifera)(?) on Richards Loop Trail in Sam Houston National Forest. Texas, April 9, 2022
 Young leaf of mustang grape on Richards Loop Trail in Sam Houston National Forest. Texas, April 9, 2022
 Racemed milkwort (Polygala polygama) on Richards Loop Trail in Sam Houston National Forest. Texas, April 9, 2022
 Nodding beardtongue (Penstemon laxiflorus) on Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2022
 Reddish shoot of mustang grape on Richards Loop Trail in Sam Houston National Forest. Texas, April 9, 2022
 Red hairy shoot of mustang grape on Richards Loop Trail in Sam Houston National Forest. Texas, April 9, 2022
 Blooming woolly-white (Hymenopappus) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2022
 Flower buds of white-flowered milkweed (Asclepias variegata) on Richards Loop Trail in Sam Houston National Forest. Texas, April 13, 2024
 Back-lit purple flower of wood sorrel in Sam Houston National Forest on Little Lake Creek Loop Trail. Richards, Texas, April 4, 2010.
 Yellow-dust Amanita mushrooms (Amanita flavoconia) on Richards Loop Trail in Sam Houston National Forest. Texas, April 6, 2020
 Yellow thistle (Bull thistle, Cirsium horridulum) on Richards Loop Trail in Sam Houston National Forest. Texas, April 13, 2024
 Spores (in lugol) of a solitary yellow fibrecap (Inocybe) mushroom from muddy area collected on Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2024
 Pale yellow chanterelle mushrooms (Cantharellus) on muddy soil on South Wilderness Loop Trail at Little Lake Creek Wilderness in Sam Houston National Forest near Richards. Texas, May 8, 2022
 Flowers of nodding beardtongue (Penstemon laxiflorus) on Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2022
 Small plants of poison ivy (Toxicodendron radicans) on Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2022
 Flowers of blue eyed grass (Sisyrinchium) on Richards Loop Trail in Sam Houston National Forest. Texas, April 9, 2022
 Blooming bull thistle (Cirsium horridulum) on Richards Loop Trail in Sam Houston National Forest. Texas, April 9, 2022
 Top view of Bull thistle (Cirsium horridulum) on Richards Loop Trail in Sam Houston National Forest. Texas, April 9, 2022
 Close-up of blue eyed grass (Sisyrinchium) on Richards Loop Trail in Sam Houston National Forest. Texas, April 9, 2022
 Shoot of paper mulberry (Broussonetia papyrifera) on Richards Loop Trail in Sam Houston National Forest. Texas, April 9, 2022
 Baptisia nuttalliana (Nuttall s wild indigo) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2022
 White-flowered milkweed (Asclepias variegata) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2022
 Dissected yellow-dust Amanita mushrooms (Amanita flavoconia) on Richards Loop Trail in Sam Houston National Forest. Texas, April 6, 2020
 Flower bud of soft greeneyes (Berlandiera pumila) on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, April 30, 2022
 Flower buds of coralbean (Erythrina herbacea) on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, April 30, 2022
 Rock-rose (frostweed, sunrose, Helianthemum carolinianum) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2022
 Tiny cup fungus Hyaloscypha britannica on underside of a pine log on Richards Loop Trail in Sam Houston National Forest. Texas, April 9, 2022
 Pleated leaves of Carolina buckthorn (Frangula caroliniana) on Richards Loop Trail in Sam Houston National Forest. Texas, April 9, 2022
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