 Dead turtle in Lake Conroe near Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, April 27, 2022
 Box turtle (ventral view) on Four Notch Loop Trail in Sam Houston National Forest. Huntsville, Texas, May 11, 2008
 An alligator is eating a turtle in 40 Acre Lake in Brazos Bend State Park. The turtle is most likely a Red-eared Slider (Trachemys scripta elegans) or potentially a River Cooter (Pseudemys concinna). The turtle s shell is being crushed, which alligators are well-equipped to do with their immense bite force. Needville, Texas, December 25, 2025
 Lake Conroe on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, March 13, 2026
 Shores of Lake Conroe near Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, March 13, 2026
 Pondweed (Potamogeton sp.) in Lake Conroe near Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, March 13, 2026
 Some creeping plant on a shore of Lake Conroe near Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, February 16, 2020
 Water hyacinth (Eichhornia crassipes) taken from Lake Conroe on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, July 31, 2020
 Azolla water fern on muddy edge of Lake Conroe near Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, November 24, 2021
 Azolla water fern on muddy edge of Lake Conroe on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, January 23, 2022
 Some floating green plant in shallow water of Lake Conroe near Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, February 16, 2020
 Beautyberry near Caney Creek Trail in Sam Houston National Forest, near Huntsville. Texas, September 30, 2007
 Carolina ponysfoot (Dichondra carolinensis) on a receding shore of Lake Conroe on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, February 16, 2020
 Fringed Heartwort (Ricciocarpos natans) on muddy edge of Lake Conroe near Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, November 24, 2021
 Close-up of Azolla water fern on muddy edge of Lake Conroe on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, January 23, 2022
 Large flowers of water hyacinth (Eichhornia crassipes) taken from Lake Conroe on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, July 31, 2020
 Boletus mushroom on Four Notch Main Trail in Sam Houston National Forest. Huntsville, Texas, October 7, 2007
 Floating leaf of aquatic form of buttercup(?) on muddy edge of Lake Conroe on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, January 23, 2022
 Small plant of water hyacinth (Eichhornia crassipes) on a shore of Lake Conroe near Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, February 16, 2020
 Close-up of fringed heartwort (Ricciocarpos natans) on muddy edge of Lake Conroe on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, January 23, 2022
 Various aquatic plants floating in shallow water on muddy edge of Lake Conroe on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, January 23, 2022
 Rosettes of fringed heartwort (Ricciocarpos natans) on muddy edge of Lake Conroe near Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, November 24, 2021
 Carpet of fringed heartwort (Ricciocarpos natans) on muddy edge of Lake Conroe near Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, November 24, 2021
 Aquatic fern Giant salvinia (Salvinia molesta) in Lake Conroe near Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, May 10, 2026
 Floating leaves of fringed heartwort (Ricciocarpos natans) on muddy edge of Lake Conroe on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, January 23, 2022
 Some wintering plant with narrow leaves on bare soil of receding shore of Lake Conroe on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, February 16, 2020
 Aquatic fern Giant salvinia (Salvinia molesta) in Lake Conroe near Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, July 31, 2020
 Masses of aquatic fern Giant salvinia (Salvinia molesta) in Lake Conroe near Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, May 10, 2026
 Cardinal flower (Lobelia cardinalis) near Caney Creek Trail in Sam Houston National Forest, near Huntsville. Texas, September 30, 2007
 Aquatic plant parrot feather watermilfoil (Myriophyllum aquaticum) on muddy edge of Lake Conroe near Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, November 24, 2021
 Aquatic plant parrot feather watermilfoil (Myriophyllum aquaticum) on muddy edge of Lake Conroe on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, January 23, 2022
 Fringed Heartwort (Ricciocarpos natans) with hairy green moss on muddy edge of Lake Conroe near Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, November 24, 2021
 Thalloid liverwort Fringed Heartwort (Ricciocarpos natans, Crystalwort family) on a shore of Lake Conroe near Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, February 16, 2020
 Terrestrial form of liverwort Fringed Heartwort (Ricciocarpos natans) on a mud flat on a shore of Lake Conroe near Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, February 16, 2020
 A road in Sam Houstom State Forest, near F. R. 215. Huntsville, Texas, June 16, 2007
 Aquatic form of liverwort Fringed Heartwort (Ricciocarpos natans) on mud flats of Lake Conroe at low water level on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, February 16, 2020
 Aquatic fern Salvinia molesta with duckweed floating in shallow water on muddy edge of Lake Conroe on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, January 23, 2022
 Close-up of thalloid liverwort Fringed Heartwort (Ricciocarpos natans, Crystalwort family) on a shore of Lake Conroe near Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, February 16, 2020
 Aquatic fern Giant salvinia (Salvinia molesta) on a receding shore of Lake Conroe on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, February 16, 2020
 Aquatic fern Giant salvinia (Salvinia molesta) in shallow water of Lake Conroe on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, November 30, 2025
 Aquatic fern Giant salvinia (Salvinia molesta) in shallow water of Lake Conroe near Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, February 16, 2020
 Aquatic form of liverwort Fringed Heartwort (Ricciocarpos natans) floating in shallow water on mud flats of Lake Conroe on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, February 16, 2020
 Thalloid liverwort Fringed Heartwort (Ricciocarpos natans, Crystalwort family) on mud flats of Lake Conroe at low water level on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, February 16, 2020
 Thalloid liverwort Fringed Heartwort (Ricciocarpos natans, Crystalwort family) on a shore of Lake Conroe at low water level near Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, February 16, 2020
 Terrestrial form of thalloid liverwort Fringed Heartwort (Ricciocarpos natans, Crystalwort family) on a shore of Lake Conroe near Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, February 16, 2020
 Aquatic form of fringed heartwort (Ricciocarpos natans) floating in shallow water on muddy edge of Lake Conroe on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, January 23, 2022
 Aquatic fern Giant salvinia (Salvinia molesta) and duckweed in shallow water of Lake Conroe on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, March 29, 2020
 Carpet of aquatic fern Giant salvinia (Salvinia molesta) in shallow water of Lake Conroe on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, November 30, 2025
 Aquatic fern Giant salvinia (Salvinia molesta) floating in a small creek joining Lake Conroe near Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, May 10, 2026
 Crimson berries of strawberry-bush (Euonymus americanus) near Caney Creek Trail in Sam Houston National Forest, near Huntsville. Texas, September 30, 2007
 Wild citrus fruits of Trifoliate orange (Poncirus trifoliata) near Caney Creek Trail in Sam Houston National Forest, near Huntsville. Texas, September 30, 2007
 Leaves of Carolina bristlemallow (Modiola caroliniana) with blister-like pustules of rust fungus Puccinia modiolae on a receding shore of Lake Conroe on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, February 16, 2020
 Fringed Heartwort (Ricciocarpos natans) together with aquatic plant parrot feather watermilfoil (Myriophyllum aquaticum) on muddy edge of Lake Conroe near Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, November 24, 2021
 Liverwort Fringed Heartwort (Ricciocarpos natans) and Giant salvinia (Salvinia molesta) on mud flats of Lake Conroe at low water level on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, February 16, 2020
 Floating liverwort Fringed Heartwort (Ricciocarpos natans) and Giant salvinia (Salvinia molesta) on mud flats of Lake Conroe at low water level on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, February 16, 2020
 Parrot feather watermilfoil (Myriophyllum aquaticum) and Aquatic fern Giant salvinia (Salvinia molesta) on muddy edge of Lake Conroe near Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, December 24, 2025
 Winter rosette of a plant of carrot family lawn burrweed (Soliva sessilis) with small feathery leaves reminiscent of parsley on a shore of Lake Conroe near Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, February 16, 2020
 Golden trumpet mushrooms (Xeromphalina campanella or X. enigmatica) on Lone Star Hiking Trail south from Stubblefield Campground in Sam Houston National Forest. Huntsville, Texas, December 9, 2007
 Nodding Ladies -Tresses Orchid (Spiranthes cernua) on Lone Star Hiking Trail south from Stubblefield Campground in Sam Houston National Forest. Huntsville, Texas, December 9, 2007
 Liverwort Fringed Heartwort (Ricciocarpos natans) and Giant salvinia (Salvinia molesta) and tiny duckweed floating in shallow water on mud flats of Lake Conroe on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, February 16, 2020
 Corticioid fungi on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, June 7, 2019
 Some prostrate polypore mushroom on a log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, June 19, 2019
 Prostrate polypore mushroom on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, June 19, 2019
 Pleated cap of Parasola mushroom on a log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, June 19, 2019
 Claw of crayfish (crawfish) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, June 7, 2019
 Leucocoprinus longistriatus mushrooms on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, June 30, 2018
 Small Gymnopus(?) mushrooms on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, June 7, 2019
 Tiny Gymnopus(?) mushrooms on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, June 7, 2019
 Psathyrella mushrooms on drying mud on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, June 2, 2018
 Polypore mushroom Nigroporus vinosus on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, June 7, 2019
 Underside of a pinkgill (Entoloma)(?) mushroom on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, June 7, 2019
 Red cap of a brittlegill mushroom Russula mariae on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, June 2, 2018
 Pores of Xanthoconium purpureum mushroom on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, June 2, 2018
 Brittlegill mushroom Russula mariae on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, June 2, 2018
 Orange and white corticioid mushroom on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, June 7, 2019
 Small pinkgill (Entoloma)(?) mushroom on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, June 7, 2019
 Small Clitocybula abundans(?) mushrooms on a log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, June 7, 2019
 Resurrection fern (Polypodium polypodioides) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, June 19, 2019
 Sporangia of slime mold Stemonitis fusca on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, June 7, 2019
 Underside of a brittlegill mushroom Russula mariae on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, June 2, 2018
 Death cap mushroom (Amanita sect. Phalloideae) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, June 2, 2018
 Fragile dapperling mushrooms (Leucocoprinus fragilissimus) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, June 30, 2018
 Split porecrust mushrooms (Schizopora paradoxa)(?) on a log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, June 7, 2019
 Underside of small Clitocybula abundans(?) mushrooms on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, June 7, 2019
 Beech woodwart fungus (Hypoxylon fragiforme) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, June 19, 2019
 Gills of Parasola mushroom on rotting wood on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, June 19, 2019
 Giant Swallowtail butterfly (Papilio cresphontes) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, June 7, 2019
 Coral slime mold (Ceratiomyxa fruticulosa) on a log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, June 7, 2019
 Small Volvariella mushroom on rotting wood on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, June 7, 2019
 Boletus subfraternus mushrooms on a sandy path on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, June 2, 2018
 Coral slime mold (Ceratiomyxa fruticulosa) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, June 7, 2019
 Coral slime mold (Ceratiomyxa fruticulosa) with a fly on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, June 7, 2019
 Mushrooms Gymnopus neobrevipes on thin twigs on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, June 19, 2019
 Small Pleurotus mushrooms on rotting wood on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, June 19, 2019
 Death cap mushrooms (Amanita sect. Phalloideae) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, June 9, 2018
 Stalked scarlet cup mushrooms (Sarcoscypha occidentalis) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, June 7, 2019
 Mystery chick mushroom (Piptoporellus soloniensis) on a log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, June 9, 2018
 Encrusting fungus Sebacina incrustans on floodplain on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, June 19, 2019
 Mystery chick mushroom (Piptoporellus soloniensis) in wet area on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, June 9, 2018
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