El Capitan Mountain after sunset, view from lower Roadside Park. Guadalupe Mountains National Park, Texas, December 28, 2007
South Rim, view from Fresno Circle campsite near Dodson Trail. Big Bend National Park, Texas, November 23, 2007
Warty cap of some Amanita mushroom on a parking place on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 23, 2018
El Capitan Mountain at sunset, view from lower Roadside Park. Guadalupe Mountains National Park, Texas, December 28, 2007
Chisos Mountains with snow, view from Castalon Highway. Big Bend National Park, Texas, November 25, 2007
Chisos Mountains with traces of snow, view from Castalon Highway (Ross Maxwell Scenic Drive). Big Bend National Park, Texas, November 25, 2007
Devil s Hall in Pine Spring Canyon. Guadalupe Mountains National Park, Texas, December 28, 2007
Century plant and Elephant Tusk Mountain, view from South Rim. Big Bend National Park, Texas, November 22, 2007
Fresno Spring at evening. Big Bend National Park, Texas, November 23, 2007
Trap Mountain(?) west from Smokey Creek Trail near Trap Spring east from Mule Ear Overlook. Big Bend National Park, Texas, November 25, 2007
Hiker s staircase in Pine Spring Canyon, on Devils Hall Trail. Guadalupe Mountains National Park, Texas, December 28, 2007
Northeast Rim, view from lower part of Juniper Canyon Trail. Big Bend National Park, Texas, November 23, 2007
Mule Ear Peaks east from Smokey Creek Trail east from Mule Ear Overlook. Big Bend National Park, Texas, November 25, 2007
Agave on McKittrick Canyon Trail. Guadalupe Mountains National Park, Texas, December 28, 2007
Purple-tinged prickly pear cactus on Smokey Creek Trail near Trap Spring east from Mule Ear Overlook. Big Bend National Park, Texas, November 25, 2007
El Capitan Mountain, view from lower Roadside Park at morning. Guadalupe Mountains National Park, Texas, December 28, 2007
Weathered wood on Pinnacles Trail near Juniper Flat. Big Bend National Park, Texas, November 22, 2007
Fresno Circle campsite near Dodson Trail at evening. Big Bend National Park, Texas, November 23, 2007
Valley of Smokey Creek, view to the east from a trail north from Mule Ear Peaks. Big Bend National Park, Texas, November 25, 2007
Smokey Creek Trail near Trap Spring east from Mule Ear Overlook, view to the west. Big Bend National Park, Texas, November 25, 2007
Upper section of Hiker s Staircase near Devil s Hall in Pine Spring Canyon. Guadalupe Mountains National Park, Texas, December 28, 2007
Fruits of Texas madrone (Arbutus xalapensis) on Blue Creek Trail. Big Bend National Park, November 29, 2009
Crown Mountain, view from lower part of Juniper Canyon Trail. Big Bend National Park, Texas, November 23, 2007
Dead tree from El Capitan Trail. Guadalupe Mountains National Park, Texas, December 27, 2007
Santa Elena Canyon west from Smokey Creek Trail east from Mule Ear Spring. Big Bend National Park, Texas, November 25, 2007
El Capitan Mountain Trail near Guadalupe Spring in Guadalupe Mountains National Park. Texas, December 27, 2007
Dallas Sierra Club on Smokey Creek Trail at rain. Big Bend National Park, Texas, November 24, 2007
Frozen McKittrick Creek. Guadalupe Mountains National Park, Texas, December 28, 2007
Rocks on Devils Hall Trail in Pine Spring Canyon. Guadalupe Mountains National Park, Texas, December 28, 2007
El Capitan Mountain at sunset, view from lower Roadside Park south from the mountain. Guadalupe Mountains National Park, Texas, December 28, 2007
Boot Rock, view from Juniper Canyon Trail. Big Bend National Park, Texas, November 23, 2007
Cane Cholla cactus and Southeast Rim, view from east part of Dodson Trail. Big Bend National Park, Texas, November 23, 2007
Elephant Tusk Rock, view from Fresno Spring near Dodson Trail. Big Bend National Park, Texas, November 24, 2007
View from beginning of El Capitan Trail in Guadalupe Mountains National Park. Texas, December 27, 2007
Sunrise from a parking place through smoke from prescribed burning in Sam Houston National Forest, near Road FM 1375. Huntsville, Texas, April 22, 2012
Sotol and Southeast Rim, view from east part of Dodson Trail. Big Bend National Park, Texas, November 23, 2007
El Capitan Mountain, view from upper Roadside Park at morning. Guadalupe Mountains National Park, Texas, December 28, 2007
Bee Mountain, view to the west from Smokey Creek Trail near Mule Ear Spring. Big Bend National Park, Texas, November 25, 2007
Bark of alligator juniper in McKittrick Canyon. Guadalupe Mountains National Park, Texas, December 28, 2007
Pour-off of Smokey Creek. Big Bend National Park, Texas, November 25, 2007
Smokey Creek Trail east from Mule Ear Spring. Big Bend National Park, Texas, November 25, 2007
Maiden ferns at Mule Ear Spring. Big Bend National Park, Texas, November 25, 2007
El Capitan Mountain (zoomed), view to the west in Guadalupe Mountains National Park. Texas, December 27, 2007
Texas madrone in McKittrick Canyon. Guadalupe Mountains National Park, Texas, December 28, 2007
Hunter Line Cabin in McKittrick Canyon. Guadalupe Mountains National Park, Texas, December 28, 2007
Rocks in Devil s Hall in Pine Spring Canyon. Guadalupe Mountains National Park, Texas, December 28, 2007
Vines near a parking place in Sam Houston National Forest, near Road FM 1375. Huntsville, Texas, April 22, 2012
Split rock and El Capitan Mountain from a trail near Guadalupe Spring in Guadalupe Mountains National Park. Texas, December 27, 2007
Texas madrone (Arbutus xalapensis) on Devils Hall Trail in Pine Spring Canyon. Guadalupe Mountains National Park, Texas, December 28, 2007
Purple-tinged prickly pear cactus in the middle part of Smokey Creek Trail. Big Bend National Park, Texas, November 25, 2007
El Capitan Mountain from southern foot of the mountain. Guadalupe Mountains National Park, Texas, December 27, 2007
Prickly pears and yucca near El Capitan Trail. Guadalupe Mountains National Park, Texas, December 27, 2007
El Capitan Mountain with prickly pears cactus in foreground, view from upper Roadside Park. Guadalupe Mountains National Park, Texas, December 28, 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
Ocotillo on Smokey Creek Trail north from Mule Ear Peaks. Big Bend National Park, Texas, November 25, 2007
Magenta tinged echinocereus hedgehog actus on El Capitan Trail. Guadalupe Mountains National Park, Texas, December 27, 2007
Echinocereus cacti growing on ruins of Hunter Line shack in McKittrick Canyon. Guadalupe Mountains National Park, Texas, December 28, 2007
Big rocks near Devil s Hall in Pine Spring Canyon. Guadalupe Mountains National Park, Texas, December 28, 2007
Mule Ear Peaks from Smokey Creek Trail. Big Bend National Park, Texas, November 25, 2007
Agaves and El Capitan Mountain from a trail in Guadalupe Mountains National Park. Texas, December 27, 2007
Guadalupe spring from El Capitan Trail. Guadalupe Mountains National Park, Texas, December 27, 2007
Alligator juniper (Juniperus deppeana) near El Capitan Trail. Guadalupe Mountains National Park, Texas, December 27, 2007
Prickly pears near El Capitan Trail. Guadalupe Mountains National Park, Texas, December 27, 2007
El Capitan Mountain with cholla cactus in foreground, view from upper Roadside Park. Guadalupe Mountains National Park, Texas, December 28, 2007
Peeling bark of Texas madrone on Devils Hall Trail in Pine Spring Canyon. Guadalupe Mountains National Park, Texas, December 28, 2007
Prickly pears cactus on a small ridge near Juniper Canyon Trail south from Upper Juniper Spring. Big Bend National Park, Texas, November 22, 2007
Agave on Smokey Creek Trail. Big Bend National Park, Texas, November 24, 2007
Cactus on rocks of Smokey Creek. Big Bend National Park, Texas, November 25, 2007
Smokey Creek Trail north from Mule Ear Peaks. Big Bend National Park, Texas, November 25, 2007
Goat Mountain, view to the north from Smokey Creek Trail near Mule Ear Spring. Big Bend National Park, Texas, November 25, 2007
Rocks and El Capitan Mountain from a trail near Guadalupe Spring in Guadalupe Mountains National Park. Texas, December 27, 2007
El Capitan Mountain from a trail near Guadalupe Spring in Guadalupe Mountains National Park. Texas, December 27, 2007
Cactus on rocks of El Capitan Trail. Guadalupe Mountains National Park, Texas, December 27, 2007
Hedgehog cactus near El Capitan Trail. Guadalupe Mountains National Park, Texas, December 27, 2007
Dead juniper on Devils Hall Trail in Pine Spring Canyon. Guadalupe Mountains National Park, Texas, December 28, 2007
Pitaya(?) cactus on Smokey Creek Trail east from Mule Ear Spring. Big Bend National Park, Texas, November 25, 2007
El Capitan Mountain and Trail in Guadalupe Mountains National Park. Texas, December 27, 2007
Smooth white bark of Texas madrone on Devils Hall Trail in Pine Spring Canyon. Guadalupe Mountains National Park, Texas, December 28, 2007
Cacti on east part of Dodson Trail. Big Bend National Park, Texas, November 23, 2007
El Capitan Mountain from a trail in Guadalupe Mountains National Park. Texas, December 27, 2007
El Capitan Trail and Mountain in Guadalupe Mountains National Park. Texas, December 27, 2007
Cushion cactus and El Capitan Mountain from a trail in Guadalupe Mountains National Park. Texas, December 27, 2007
El Capitan Mountain from a trail at the foot of the mountain. Guadalupe Mountains National Park, Texas, December 27, 2007
Slopes of Frijole Mountain from McKittrick Canyon Trail. Guadalupe Mountains National Park, Texas, December 28, 2007
Desert mistletoe(?) growing on ocotillo, view from Smokey Creek Trail. Big Bend National Park, Texas, November 25, 2007
Smokey Creek Trail through creosote bushes and cacti east from Mule Ear Overlook. Big Bend National Park, Texas, November 25, 2007
Grotto in McKittrick Canyon, with icicles. Guadalupe Mountains National Park, Texas, December 28, 2007
Lower part of Juniper Canyon Trail. Big Bend National Park, Texas, November 23, 2007
Agave, cacti and El Capitan Mountain from a trail in Guadalupe Mountains National Park. Texas, December 27, 2007
Camping on a small ridge near Juniper Canyon Trail south from Upper Juniper Spring. Big Bend National Park, Texas, November 22, 2007
Lower (flat) part of Juniper Canyon Trail. Big Bend National Park, Texas, November 23, 2007
Ruellia flower, near a parking lot of Sundew Trail in Big Thicket National Preserve. Kountze, Texas, August 2, 2014
Dissected Amanita mushroom on a parking place on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 23, 2018
Freckled dapperling mushroom (Echinoderma asperum) in a forest parking ground in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, October 28, 2018
Hunter s parking at Osborn Road in Sam Houston National Forest, north from Montgomery. Texas, June 27, 2019
Small Ascomycete mushrooms Anthracobia maurilabra(?) on an old bonfire site on a forest clearing under utility lines near a parking at Osborn Road on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, February 22, 2021
Bryoparasitic Pezizales fungus Lamprospora carbonicola with moss Funaria hygrometrica on an old bonfire site on a forest clearing under utility lines near a parking at Osborn Road on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, February 22, 2021
