 Tawny funnel mushrooms (Lepista flaccida, Paralepista flaccida) on Chinquapin Trail in Huntsville State Park. Texas, September 24, 2020
 Tawny funnel mushrooms (Lepista flaccida, Paralepista flaccida) on Chinquapin Trail in Huntsville State Park. Texas, September 24, 2020
 Underside of tawny funnel mushrooms (Lepista flaccida, Paralepista flaccida) on Chinquapin Trail in Huntsville State Park. Texas, September 24, 2020
 Dissected tawny funnel mushrooms (Lepista flaccida, Paralepista flaccida) on Chinquapin Trail in Huntsville State Park. Texas, September 24, 2020
 Underside and cross section of tawny funnel mushrooms (Lepista flaccida, Paralepista flaccida) on Chinquapin Trail in Huntsville State Park. Texas, September 24, 2020
 Southeast Rim in fog. Big Bend National Park, November 27, 2009
 Elephant tusk Mountain from Southeast Rim. Big Bend National Park, November 28, 2009
 Boot Canyon Trail ending at Southeast Rim. Big Bend National Park, November 27, 2009
 Group of people with Dallas Sierra Club on Southeast Rim. Big Bend National Park, November 27, 2009
 Dry juniper on South Rim. Big Bend National Park, November 28, 2009
 Dry juniper tree on South Rim at morning. Big Bend National Park, November 29, 2009
 Sotol and Southeast Rim, view from east part of Dodson Trail. Big Bend National Park, Texas, November 23, 2007
 Coral mushrooms Phaeoclavulina flaccida(?) near Toksovo, north from Saint Petersburg. Russia, August 16, 2017
 Juniper disco mushrooms (Pithya cupressina) on a fallen juniper twig (Juniperus virginiana) in Lake Bryan Park. Bryan, Texas, November 10, 2021
 Camping on a small ridge near Juniper Canyon Trail south from Upper Juniper Spring. Big Bend National Park, Texas, November 22, 2007
 Cane Cholla cactus and Southeast Rim, view from east part of Dodson Trail. Big Bend National Park, Texas, November 23, 2007
 Coral mushrooms Phaeoclavulina flaccida(?) near Kavgolovskoe Lake in Toksovo, north from Saint Petersburg. Russia, August 2, 2016
 Prickly pears cactus on a small ridge near Juniper Canyon Trail south from Upper Juniper Spring. Big Bend National Park, Texas, November 22, 2007
 Echinocactus horizonthalonius (devil s head cactus, or horse crippler) with daggerlike spines on a small ridge near Juniper Canyon Trail south from Upper Juniper Spring. Big Bend National Park, Texas, November 22, 2007
 Lower part of Juniper Canyon Trail. Big Bend National Park, Texas, November 23, 2007
 Weathered wood on Pinnacles Trail near Juniper Flat. Big Bend National Park, Texas, November 22, 2007
 Boot Rock, view from Juniper Canyon Trail. Big Bend National Park, Texas, November 23, 2007
 Lower (flat) part of Juniper Canyon Trail. Big Bend National Park, Texas, November 23, 2007
 Alligator juniper (Juniperus deppeana) near El Capitan Trail. Guadalupe Mountains National Park, Texas, December 27, 2007
 Northeast Rim, view from lower part of Juniper Canyon Trail. Big Bend National Park, Texas, November 23, 2007
 Crown Mountain, view from lower part of Juniper Canyon Trail. Big Bend National Park, Texas, November 23, 2007
 Close-up of tiny orange cup mushrooms Pithya cupressina on a fallen juniper twig (Juniperus virginiana) in Lake Bryan Park. Bryan, Texas, November 10, 2021
 Dry twig of eastern red cedar (Juniperus virginiana) with tiny orange cup mushrooms juniper disco (Pithya cupressina) taken from Lake Bryan Park. Bryan, Texas, November 10, 2021
 Agaves on South Rim. Big Bend National Park, November 28, 2009
 Cliffs of South Rim. Big Bend National Park, November 28, 2009
 Dry tree on South Rim. Big Bend National Park, November 28, 2009
 Cacti and agaves on South Rim. Big Bend National Park, November 28, 2009
 Pine tree on South Rim. Big Bend National Park, November 28, 2009
 Sunset from SW3 (Southwest Rim) campsite. Big Bend National Park, November 28, 2009
 Agaves on South Rim at sunrise. Big Bend National Park, November 29, 2009
 Emory Peak Trail in fog. Big Bend National Park, November 27, 2009
 Boot Spring Trail. Big Bend National Park, November 26, 2009
 Switchbacks of Blue Creek Trail. Big Bend National Park, November 29, 2009
 Crooked pine on South Rim at morning. Big Bend National Park, November 29, 2009
 Upper part of Boot Canyon. Big Bend National Park, November 27, 2009
 Crooked pine growing on South Rim. Big Bend National Park, November 28, 2009
 Fall colors of Boot Canyon. Big Bend National Park, November 27, 2009
 East summit of Emory Peak in fog. Big Bend National Park, November 27, 2009
 Upper section of Boot Canyon Trail. Big Bend National Park, November 27, 2009
 Upper part of Boot Canyon Trail. Big Bend National Park, November 27, 2009
 Most photographed spot with a pine tree on South Rim. Big Bend National Park, November 28, 2009
 Area of red rocks on Blue Creek Trail. Big Bend National Park, November 29, 2009
 Slopes of Chisos Mountains from Pinnacles Trail. Big Bend National Park, November 26, 2009
 Elephant Tusk Mountain from South Rim at sunrise. Big Bend National Park, November 29, 2009
 Fall colors of Chisos Mountains from Pinnacles Trail. Big Bend National Park, November 26, 2009
 Slopes of Chisos Mountains from Boot Spring Trail. Big Bend National Park, November 26, 2009
 Emory Peak from lower section of Southwest Rim Trail. Big Bend National Park, November 28, 2009
 Cliffs of Toll Mountain from Boot Spring Trail. Big Bend National Park, November 26, 2009
 White juniper fungus (Robergea albicedrae) on bark of Juniperus ashei tree in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Century plant which bloomed, died, and tipped over, on Pinnacles Trail. Big Bend National Park, November 26, 2009
 Fruit of cholla cactus (cylindropuntia) on Blue Creek Trail. Big Bend National Park, November 29, 2009
 Slopes of Chisos Mountains east from Boot Spring Trail. Big Bend National Park, November 27, 2009
 Group of people with Dallas Sierra Club on Pinnacles Trail. Big Bend National Park, November 26, 2009
 White juniper fungus (Robergea albicedrae) on bark of a young Juniperus ashei tree in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Santa Elena Canyon and mountains in Mexico from SW3 (Southwest Rim) campsite at sunrise. Big Bend National Park, November 29, 2009
 Fruits of Texas madrone (Arbutus xalapensis) on Blue Creek Trail. Big Bend National Park, November 29, 2009
 Sandy washes of Blue Creek Canyon near Homer Wilson Ranch. Big Bend National Park, November 29, 2009
 One of eroded pinnacles of pink volcanic tuff on Blue Creek Trail. Big Bend National Park, November 29, 2009
 White juniper fungus (Robergea albicedrae) around of a broken branch spot on Juniperus ashei tree in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Group of peole with Dallas Sierra Club watching sunset from SW3 (Southwest Rim) campsite. Big Bend National Park, November 28, 2009
 Eroded pinnacles of pink volcanic tuff looking like a miniature Bryce Canyon on Blue Creek Trail. Big Bend National Park, November 29, 2009
 Boot Rock from Boot Spring Trail. Big Bend National Park, November 28, 2009
 Shoot of juniper tree (Juniperus communis) in a forest near Komarovo, 25 miles north-west from Saint Petersburg. Russia, May 9, 2016
 Boot Rock from Boot Spring Trail at sunrise. Big Bend National Park, November 28, 2009
 Boot Rock, view from Boot Spring Trail. Big Bend National Park, November 27, 2009
 View of Boot Rock from Boot Spring Trail. Big Bend National Park, November 27, 2009
 East summit of Emory Peak, with north summit visible in fog. Big Bend National Park, November 27, 2009
 White juniper fungus (Robergea albicedrae) small gray nodules where spores are produced on bark of a young Juniperus ashei tree in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Casa Grande Peak of Chisos Mountains from Emory Peak Trail. Big Bend National Park, November 27, 2009
 Close-up of white juniper fungus (Robergea albicedrae) small gray nodules where spores are produced on bark of a young Juniperus ashei tree in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Tiny orange cup mushrooms Pithya cupressina on a fallen juniper twig (Juniperus virginiana) near the lake in Lake Bryan Park. Bryan, Texas, February 2, 2022
 Spicewood Springs in Colorado Bend State Park. Bend, Texas, May 23, 2009
 Gorman Falls in Colorado Bend State Park. Bend, Texas, May 23, 2009
 Under Gorman Falls in Colorado Bend State Park. Bend, Texas, May 23, 2009
 Gorman Falls (view from a trail) in Colorado Bend State Park. Bend, Texas, May 23, 2009
 Mossy travertine formations at the base of Gorman Falls in Colorado Bend State Park. Bend, Texas, May 23, 2009
 Side view of juniper disco mushrooms (Pithya cupressina) on decaying litter under juniper trees in Lake Bryan Park. Bryan, Texas, November 10, 2021
 Details of tiny orange cup mushrooms juniper disco (Pithya cupressina) on decaying litter under juniper trees in Lake Bryan Park. Bryan, Texas, November 10, 2021
 Rainbow gas tank on Commercial Point, view from a bus moving on Southeast Expy. Boston, Massachusetts, November 3, 2004
 Juniper berries in dew in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, November 5, 2009
 Drooping of white pea-flowers of Black locust (Robinia pseudoacacia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, March 31, 2009
 Fresno Spring at evening. Big Bend National Park, Texas, November 23, 2007
 Canyon of Smokey Creek. Big Bend National Park, Texas, November 25, 2007
 Pour-off of Smokey Creek. Big Bend National Park, Texas, November 25, 2007
 Ruins of Dodson Ranch. Big Bend National Park, Texas, November 23, 2007
 Drooping originally purple flower of larkdaisy (Centratherum punctatum) damaged by recent frost in TAMU Holistic Garden in Texas A and M University. College Station, Texas, December 12, 2009
 Agave on Smokey Creek Trail. Big Bend National Park, Texas, November 24, 2007
 Maiden ferns at Mule Ear Spring. Big Bend National Park, Texas, November 25, 2007
 Cactus on rocks of Smokey Creek. Big Bend National Park, Texas, November 25, 2007
 Mule Ear Peaks from Smokey Creek Trail. Big Bend National Park, Texas, November 25, 2007
 Cacti on east part of Dodson Trail. Big Bend National Park, Texas, November 23, 2007
 Smokey Creek Trail north from Mule Ear Peaks. Big Bend National Park, Texas, November 25, 2007
 Chisos Mountains with snow, view from Castalon Highway. Big Bend National Park, Texas, November 25, 2007
 Fresno Circle campsite near Dodson Trail at evening. Big Bend National Park, Texas, November 23, 2007
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