 View from a slope of Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 Crestone Peak from a slope of Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 Alpine tundra on a slope of Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 A dried tree on a slope of Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 Alpine primrose(?) (Primula angustifolia) on Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 Hairy Androsace and deer clover on Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 Alpine phlox(?) flowers on the slope of Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 View of a slope of Colony Baldy Mountain from Macey Lakes Trail in Sangre de Cristo Mountains. Colorado, July 2, 2007
 A dead tree and Reiser Prairie from a slope of Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 Pink flowers of Moss campion (Silene acaulis) on Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 Dwarf alpine deer clover (Trifolium nanum) on Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 Dwarf cinquefoil and white alpine phlox wildflowers on a slope of Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 Alpine Sandwort (Lidia obtusiloba, Minuartia biflora) on a slope of Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 Alpine forget-me-not (Eritrichum aretioides) flowers carpeting the slope of Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 Dwarf sunflowers (Old-man-of-the-mountain, Rydbergia grandiflora, Hymenoxys grandiflora) on a slope of Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 Lower Macey Lake and Little Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 2, 2007
 Hairy Androsace (Androsace villosa) alpine flowers on Colony Baldy Mountain in Sangre de Cristo Mountains, with white pinwheel-like flowers having a yellow "eye" that turns pink with age and tiny basal tightly clustered leaves. Colorado, July 3, 2007
 Rockslide daisy or Alpine aster(?) flower near southern Macey Lake in Sangre de Cristo Mountains. Colorado, July 2, 2007
 Macey Lake in Sangre de Cristo Mountains. Colorado, July 2, 2007
 Macey Falls in Sangre de Cristo Mountains. Colorado, July 2, 2007
 Sulphur Flower (Eriogonum umbellatum) in Beartrap Meadow County Park on Casper Mountain. Wyoming, July 21, 2010
 Near Macey Lakes Trail in Sangre de Cristo Mountains. Colorado, July 3, 2007
 Southern Macey Lake in Sangre de Cristo Mountains. Colorado, July 2, 2007
 Lower Macey Lake in Sangre de Cristo Mountains. Colorado, July 2, 2007
 People from Dallas Sierra Club west from Horn Creek Ranch in Sangre de Cristo Mountains. Colorado, July 1, 2007
 Calypso bulbosa (fairy slipper) orchid flowers near Macey Falls in Sangre de Cristo Mountains. Colorado, July 2, 2007
 A group of people from Dallas Sierra Club near Macey Lake Trail in Sangre de Cristo Mountains. Colorado, July 2, 2007
 Aspens near Horn Creek trail in Sangre de Cristo Mountains. Colorado, June 30, 2007
 A meadow and aspens west from Horn Creek Ranch in Sangre de Cristo Mountains. Colorado, June 30, 2007
 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
 White flowers of wild buckwheat (Yerba colorado, Eriogonum) on roadside of Road 364. Gause, Texas, October 1, 2011
 Wild buckwheat (Yerba colorado, Eriogonum) in Birch Creek Unit of Somerville Lake State Park. Texas, November 11, 2012
 Branching sprays of white flowers of wild buckwheat (Yerba colorado, Eriogonum) on roadside of Road 364. Gause, Texas, October 1, 2011
 Flowers of wild buckwheat (Yerba colorado, Eriogonum) in Birch Creek Unit of Somerville Lake State Park. Texas, November 11, 2012
 Rusty flowers of wild buckwheat (Yerba colorado, Eriogonum) in Birch Creek Unit of Somerville Lake State Park. Texas, November 11, 2012
 Wild buckwheat (Yerba colorado, Eriogonum annuum(?)) in Bastrop State Park. Bastrop, Texas, September 10, 2020
 White flowers of wild buckwheat (Yerba colorado, Eriogonum annuum) in Bastrop State Park. Bastrop, Texas, October 13, 2019
 Branching sprays of white flowers of wild buckwheat (Yerba colorado, Eriogonum annuum(?)) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Nails Creek Unit of Somerville Lake State Park. Texas, September 22, 2024
 Wild buckwheat (Yerba colorado, Eriogonum annuum(?)) on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, September 22, 2024
 Rock Buckwheat (Eriogonum sphaerocephalum) in Rotary Park near Garden Creek Waterfall, south from Casper. Wyoming, July 20, 2010
 - views of Colorado and New Mexico from the bus 7/6/97 (Colorado Mountains - Dallas, July 5 - 11, 1997)
 - views of Colorado and New Mexico from the bus 7/6/97 (Colorado Mountains - Dallas, July 5 - 11, 1997)
 - views of Colorado and New Mexico from the bus 7/6/97 (Colorado Mountains - Dallas, July 5 - 11, 1997)
 - views of Colorado and New Mexico from the bus 7/6/97 (Colorado Mountains - Dallas, July 5 - 11, 1997)
 - views of Colorado and New Mexico from the bus 7/6/97 (Colorado Mountains - Dallas, July 5 - 11, 1997)
 - views of Colorado and New Mexico from the bus 7/6/97 (Colorado Mountains - Dallas, July 5 - 11, 1997)
 - views of Colorado and New Mexico from the bus 7/6/97 (Colorado Mountains - Dallas, July 5 - 11, 1997)
 - views of Colorado and New Mexico from the bus 7/6/97 (Colorado Mountains - Dallas, July 5 - 11, 1997)
 - views of Colorado and New Mexico from the bus 7/6/97 (Colorado Mountains - Dallas, July 5 - 11, 1997)
 - views of Colorado and New Mexico from the bus 7/6/97 (Colorado Mountains - Dallas, July 5 - 11, 1997)
 El Capitan Mountain from southern foot of the mountain. 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
 El Capitan Mountain at sunset, view from lower Roadside Park south from the mountain. Guadalupe Mountains National Park, Texas, December 28, 2007
 Wild buckwheat (Eriogonum annuum) in Bastrop State Park. Bastrop, Texas, October 13, 2019
 Blooming wild buckwheat (Eriogonum annuum) in Bastrop State Park. Bastrop, Texas, October 13, 2019
 Wild buckwheat (Eriogonum) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Nails Creek Unit of Somerville Lake State Park. Texas, September 22, 2024
 El Capitan Mountain and Trail in Guadalupe Mountains National Park. Texas, December 27, 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
 Agaves and El Capitan Mountain from a trail in Guadalupe Mountains National Park. Texas, December 27, 2007
 Agave, cacti and El Capitan Mountain from a trail 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 (zoomed), view to the west in Guadalupe Mountains National Park. Texas, December 27, 2007
 - dayhike near Goodwin lakes (Colorado Mountains, July 5, 1997)
 - Goodwin lakes 7/5/97 (Colorado Mountains - Dallas, July 5 - 11, 1997)
 - dayhike near Goodwin lakes (Colorado Mountains, July 5, 1997)
 - dayhike near Goodwin lakes (Colorado Mountains, July 5, 1997)
 - dayhike near Goodwin lakes (Colorado Mountains, July 5, 1997)
 - dayhike near Goodwin lakes (Colorado Mountains, July 5, 1997)
 - dayhike near Goodwin lakes (Colorado Mountains, July 5, 1997)
 - dayhike near Goodwin lakes (Colorado Mountains, July 5, 1997)
 - dayhike near Goodwin lakes (Colorado Mountains, July 5, 1997)
 - dayhike near Goodwin lakes (Colorado Mountains, July 5, 1997)
 - dayhike near Goodwin lakes (Colorado Mountains, July 5, 1997)
 - Goodwin lakes 7/5/97 (Colorado Mountains - Dallas, July 5 - 11, 1997)
 - dayhike near Goodwin lakes (Colorado Mountains, July 5, 1997)
 - Alvarado Campground 7/6/97 (Colorado Mountains - Dallas, July 5 - 11, 1997)
 - Alvarado Campground 7/6/97 (Colorado Mountains - Dallas, July 5 - 11, 1997)
 - Goodwin lakes 7/5/97 (Colorado Mountains - Dallas, July 5 - 11, 1997)
 - Goodwin lakes 7/5/97 (Colorado Mountains - Dallas, July 5 - 11, 1997)
 - dayhike near Goodwin lakes (Colorado Mountains, July 5, 1997)
 - Goodwin lakes 7/5/97 (Colorado Mountains - Dallas, July 5 - 11, 1997)
 - Goodwin lakes 7/5/97 (Colorado Mountains - Dallas, July 5 - 11, 1997)
 - dayhike near Goodwin lakes (Colorado Mountains, July 5, 1997)
 - dayhike near Goodwin lakes (Colorado Mountains, July 5, 1997)
 - dayhike near Goodwin lakes (Colorado Mountains, July 5, 1997)
 Slopes of Frijole Mountain from McKittrick Canyon Trail. Guadalupe Mountains National Park, Texas, December 28, 2007
 Wild buckwheat (Eriogonum annuum) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 16, 2020
 Wild buckwheat (Eriogonum annuum) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 6, 2020
 Wild buckwheat (Eriogonum annuum) on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, September 12, 2021
 Flowers of wild buckwheat (Eriogonum annuum) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 16, 2020
 Close-up of flowers of wild buckwheat (Eriogonum annuum) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 16, 2020
 - Goodwin Lakes 7/4/97 (Turner Falls - a trip to Colorado Mountains, June 28 - July 5, 1997)
 - Goodwin Lakes 7/4/97 (Turner Falls - a trip to Colorado Mountains, June 28 - July 5, 1997)
 - Goodwin Lakes 7/4/97 (Turner Falls - a trip to Colorado Mountains, June 28 - July 5, 1997)
 - Goodwin Lakes 7/4/97 (Turner Falls - a trip to Colorado Mountains, June 28 - July 5, 1997)
 - Goodwin Lakes 7/4/97 (Turner Falls - a trip to Colorado Mountains, June 28 - July 5, 1997)
 - Goodwin Lakes 7/4/97 (Turner Falls - a trip to Colorado Mountains, June 28 - July 5, 1997)
 - near Goodwin Lakes 7/5/97 (Turner Falls - a trip to Colorado Mountains, June 28 - July 5, 1997)
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