Buzzard s Roost from the top of Freshman Mountain. Enchanted Rock State Natural Area, Fredericksburg, Texas, December 25, 2018
Flower of Palafoxia hookeriana on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, August 8, 2009
El Capitan Mountain after sunset, view from lower Roadside Park. Guadalupe Mountains National Park, Texas, December 28, 2007
Morning Glory (Ipomoea cordatotriloba) flower on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, September 20, 2008
White prickly poppy (Argemone albiflora) flowers on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, May 30, 2010
Sunflower on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, August 8, 2009
Top of Sugarloaf Mountain, with view Road 364 to the north. Gause, Texas, May 17, 2009
Flower of Palafoxia hookeriana (sand palafox) in dew on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, September 20, 2008
El Capitan Mountain at sunset, view from lower Roadside Park. Guadalupe Mountains National Park, Texas, December 28, 2007
Exfoliation of granite slabs from the dome of Enchanted Rock, view from Freshman Mountain. Enchanted Rock State Natural Area, Fredericksburg, Texas, December 25, 2018
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
Sand palafox (Palafoxia hookeriana) flower on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, September 20, 2008
Branching sprays of white flowers of wild buckwheat (Yerba colorado, Eriogonum annuum(?)) on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, September 20, 2008
Flowers with papery sheath of Parks jointweed (Polygonella parksii) on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, September 20, 2008
Devil s Hall in Pine Spring Canyon. Guadalupe Mountains National Park, Texas, December 28, 2007
Indian Lodge in Davis Mountains State Park. Fort Davis, Texas, December 29, 2007
Flower of Palafoxia hookeriana on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, September 20, 2008
Century plant and Elephant Tusk Mountain, view from South Rim. Big Bend National Park, Texas, November 22, 2007
Lazy daisy (Aphanostephus skirrhobasis) on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, May 30, 2010
Purple spineless prickly pears cactus in Davis Mountains State Park. Fort Davis, Texas, December 29, 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
Sunflower on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, September 20, 2008
Close-up of flower of Palafoxia hookeriana on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, September 20, 2008
View in direction of Enchanted Rock from the top of Freshman Mountain. Enchanted Rock State Natural Area, Fredericksburg, Texas, December 25, 2018
Yellow flower of aster family Viguiera cordifolia(?) on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, September 20, 2008
Agave on McKittrick Canyon Trail. Guadalupe Mountains National Park, Texas, December 28, 2007
Small yellow flower of aster family with downcurved rays on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, September 20, 2008
Turquois pool of Bee Creek near Wolf Mountain Trail in Pedernales Falls State Park. Johnson City, Texas, November 10, 2007
Mountain mint (Pycnanthemum) in Sam Houston National Forest, on Little Lake Creek Loop Trail. Richards, Texas, August 10, 2008
Slender bush clover (Lespedeza virginica) on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, September 20, 2008
Hall of the Mountain King(?) in Northern Cavern in Natural Bridge Caverns. San Antonio, Texas, October 6, 2007
El Capitan Mountain, view from lower Roadside Park at morning. Guadalupe Mountains National Park, Texas, December 28, 2007
Exfoliation of slope of the dome of Enchanted Rock, view from Freshman Mountain. Enchanted Rock State Natural Area, Fredericksburg, Texas, December 25, 2018
Close-up of Palafoxia hookeriana on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, September 20, 2008
Upper section of Hiker s Staircase near Devil s Hall in Pine Spring Canyon. Guadalupe Mountains National Park, Texas, December 28, 2007
Blooming mountain laurel (Sophora secundiflora) in Zilker Botanical Gardens, Austin, Texas, March 7, 2009
Carolina larkspur (Delphinium carolinianum) on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, May 30, 2010
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
Buffalo bur (Solanum rostratum) on roadside of Road 364, north from Sugarloaf Mountain. Gause, Texas, August 8, 2009
Bails of cotton near CR 264, with Sugarloaf Mountain on horizon. Gause, Texas, September 22, 2012
Erosion of the dome of Enchanted Rock, view from Freshman Mountain. Enchanted Rock State Natural Area, Fredericksburg, Texas, December 25, 2018
El Capitan Mountain Trail near Guadalupe Spring in Guadalupe Mountains National Park. Texas, December 27, 2007
Stamens of white prickly poppy (Argemone albiflora) flower on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, May 30, 2010
Distinctive fruits of Common hoptree (Ptelea trifoliata), waferlike samara with broad wings, on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, May 30, 2010
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
Cliff above Indian Lodge in Davis Mountains State Park. Fort Davis, Texas, December 29, 2007
Flower of white prickly poppy (Argemone albiflora) on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, May 30, 2010
Slope of the dome of Enchanted Rock, view from Freshman Mountain. Enchanted Rock State Natural Area, Fredericksburg, Texas, December 25, 2018
View from beginning of El Capitan Trail in Guadalupe Mountains National Park. Texas, December 27, 2007
Mountain laurel (Sophora secundiflora) in Antique Rose Emporium. Independence, Texas, March 26, 2010.
El Capitan Mountain, view from upper Roadside Park at morning. Guadalupe Mountains National Park, Texas, December 28, 2007
On a hill south from Indian Lodge in Davis Mountains State Park. Fort Davis, Texas, December 29, 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
Cottony 5-lobed tubular flowers in a dense spike-like cluster of Snake cotton (Froelichia) taken from roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, August 8, 2009
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
Yucca on a hill west from entrance in Davis Mountains State Park. Fort Davis, Texas, December 29, 2007
Magenta tinged prickly pears cactus on northern hill in Davis Mountains State Park. Fort Davis, Texas, December 29, 2007
Snake cotton (Froelichia) on roadside of Road 364, near Sugarloaf Mountain, with cottony 5-lobed tubular flowers in a dense spike-like cluster. Gause, Texas, September 20, 2008
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
Rocks on a slope of Freshman Mountain east from Turkey Pass Trail in Enchanted Rock State Natural Area. Fredericksburg, Texas, October 27, 2007
El Capitan Mountain from southern foot of the mountain. Guadalupe Mountains National Park, Texas, December 27, 2007
Snake cotton (Froelichia) taken from roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, August 8, 2009
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
Rock-shield lichen (Xanthoparmelia) on cracked pink granite of Freshman Mountain in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
Moonglow lichen (Dimelaena oreina)(?) on pink granite of Freshman Mountain in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
Large granite stone covered by cracked lichen Acarospora novomexicana (yellow) and firedot lichen Fulgogasparrea appressa (Caloplaca appressa)(?) (red) on Freshman Mountain in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
Passage between stones on Freshman Mountain in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 24, 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
Hedgehog cactus (Echinocereus viridiflorus) on northern hill in Davis Mountains State Park. Fort Davis, Texas, December 29, 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
Goat Mountain, view to the north from Smokey Creek Trail near Mule Ear Spring. Big Bend National Park, Texas, November 25, 2007
Hedgehog, or claret cup cactus (Echinocereus triglochidiatus) on the top of Freshman Mountain. Enchanted Rock State Natural Area, Fredericksburg, Texas, December 25, 2018
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
Blue-edged scale lichen (Psorula rufonigra) on Freshman Mountain in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
El Capitan Mountain and Trail in Guadalupe Mountains National Park. Texas, December 27, 2007
Sandburs spikelet (Cenchrus spinifex) on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, September 20, 2008
Flowers of Mirabilis (Four-O clock family) on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, October 1, 2011
Lace cactus (Echinocereus reichenbachii) on Freshman Mountain in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
Weathered stones on a slope of Freshman Mountain in Enchanted Rock State Natural Area. Fredericksburg, Texas, October 27, 2007
Smooth white bark of Texas madrone on Devils Hall Trail in Pine Spring Canyon. Guadalupe Mountains National Park, Texas, December 28, 2007
Mint like plant on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, May 30, 2010
Cacti on a slope of Freshman Mountain in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 24, 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
Mirabilis (Four-O clock family) on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, October 1, 2011
Grotto in McKittrick Canyon, with icicles. Guadalupe Mountains National Park, Texas, December 28, 2007
Snake cotton (Froelichia) on roadside of Road 364, near Sugarloaf Mountain. Gause, Texas, October 1, 2011
Agave, cacti and El Capitan Mountain from a trail in Guadalupe Mountains National Park. Texas, December 27, 2007
View of Little River from old railroad bridge at CR 264 near Sugarloaf Mountain. Gause, Texas, September 22, 2012
Mountain mint (Pycnanthemum tenuifolium) on Sundew Trail in Big Thicket National Preserve. Kountze, Texas, August 2, 2014
Mountain mint (Pycnanthemum) on Kirby Trail in Big Thicket National Preserve. Kountze, Texas, August 2, 2014
Tachinid(?) fly on Mountain mint (Pycnanthemum) on Kirby Trail in Big Thicket National Preserve. Kountze, Texas, August 2, 2014
Thorny cluster of hedgehog, or claret cup cactus (Echinocereus triglochidiatus) on Freshman Mountain in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
Rock-shield lichen (Xanthoparmelia) on Freshman Mountain in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
Zigzag cliff-brake fern (Pellaea ovata) in shade of big rocks on Freshman Mountain in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
Base of the dome of Enchanted Rock, view from Freshman Mountain. Enchanted Rock State Natural Area, Fredericksburg, Texas, December 25, 2018
Large slabs of granite at the base of the dome of Enchanted Rock, view from Freshman Mountain. Enchanted Rock State Natural Area, Fredericksburg, Texas, December 25, 2018
Slope of the dome of Enchanted Rock in area of Turkey Pass, view from Freshman Mountain. Enchanted Rock State Natural Area, Fredericksburg, Texas, December 25, 2018
Weathered pedestal rocks at the top of Freshman Mountain. Enchanted Rock State Natural Area, Fredericksburg, Texas, December 25, 2018
Dome of Enchanted Rock from the top of Freshman Mountain. Enchanted Rock State Natural Area, Fredericksburg, Texas, December 25, 2018
Cracked lichen Acarospora novomexicana (yellow) and firedot lichen Fulgogasparrea appressa (Caloplaca appressa)(?) (red) on pink granite of Freshman Mountain in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
Texas mountain laurel (Sophora secundiflora) near a museum in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 9, 2019
Flowers of mountain mint (Pycnanthemum tenuifolium) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, August 11, 2019
Mountain mint (Pycnanthemum tenuifolium) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, August 11, 2019
Mountain mint (Pycnanthemum tenuifolium) on Richards Loop Trail in Sam Houston National Forest. Texas, July 12, 2020
Flower buds of mountain mint (Pycnanthemum tenuifolium) on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
Blooming mountain mint (Pycnanthemum tenuifolium) on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
Flower buds of mountain mint (Pycnanthemum tenuifolium) on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
Mountain mint (Pycnanthemum tenuifolium) on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
Mountain mint (Pycnanthemum tenuifolium) on Richards Loop Trail in Sam Houston National Forest. Texas, August 7, 2021
Flowers of mountain mint (Pycnanthemum tenuifolium) on Richards Loop Trail in Sam Houston National Forest. Texas, August 7, 2021
Mountain mint (Pycnanthemum tenuifolium) on Richards Loop Trail in Sam Houston National Forest. Texas, August 15, 2021
Fruits of mountain laurel (Dermatophyllum secundiflorum) in Antique Rose Emporium. Independence, Texas, July 2, 2022
Hanging silvery fruits of mountain laurel (Dermatophyllum secundiflorum) in Antique Rose Emporium. Independence, Texas, July 2, 2022
Mountain mint (Pycnanthemum tenuifolium) on Richards Loop Trail in Sam Houston National Forest near Montgomery. Texas, July 19, 2022
Mountain mint (Pycnanthemum tenuifolium) on Richards Loop Trail in Sam Houston National Forest. Texas, October 1, 2022
Mountain mint (Pycnanthemum tenuifolium) near Pole Creek on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, October 6, 2022
