 Rocks, a pond and a foot bridge of Maple Trail, view from East Trail in Lost Maples State Natural Area. Vanderpool, Texas, November 8, 2008
 Rocks and Can Creek from western section of East Trail in Lost Maples State Natural Area. Vanderpool, Texas, November 8, 2008
 Rocks and trees near western section of East Trail in Lost Maples State Natural Area. Vanderpool, Texas, November 8, 2008
 Maples near East Trail in Lost Maples State Natural Area. Vanderpool, Texas, November 8, 2008
 Western section of East Trail in Lost Maples State Natural Area. Vanderpool, Texas, November 8, 2008
 Back-lit trees on East Trail in Lost Maples State Natural Area. Vanderpool, Texas, November 8, 2008
 Stones and trees in Lost Maples State Natural Area, on East Trail. Vanderpool, Texas, November 7, 2008
 Reddish maple leaves in Lost Maples State Natural Area, on East Trail. Vanderpool, Texas, November 7, 2008
 Red foliage of maple trees in Lost Maples State Natural Area, on East Trail. Vanderpool, Texas, November 7, 2008
 East Trail crowded by park visitors in Lost Maples State Natural Area. Vanderpool, Texas, November 8, 2008
 Ponds of Can Creek from an overlook of East Trail in Lost Maples State Natural Area. Vanderpool, Texas, November 8, 2008
 Foliage on western section of East Trail in Lost Maples State Natural Area. Vanderpool, Texas, November 8, 2008
 Red foliage of bigtooth maple on East Trail in Lost Maples State Natural Area. Vanderpool, Texas, November 8, 2008
 Prickly pears cactus on East Trail in Lost Maples State Natural Area. Vanderpool, Texas, November 8, 2008
 Fall foliage of bigtooth maple on East Trail in Lost Maples State Natural Area. Vanderpool, Texas, November 8, 2008
 Ponds of Can Creek from western section of East Trail in Lost Maples State Natural Area. Vanderpool, Texas, November 8, 2008
 East Trail on a grassy terrace in Lost Maples State Natural Area, close to parking. Vanderpool, Texas, November 8, 2008
 Rock shelters of Hale Hollow Creek near East Trail in Lost Maples State Natural Area. Vanderpool, Texas, November 8, 2008
 Hillside view west from East Trail in Lost Maples State Natural Area, close to parking. Vanderpool, Texas, November 8, 2008
 Ball moss (Tillandsia recurvata) on a maple tree in Lost Maples State Natural Area, on East Trail. Vanderpool, Texas, November 7, 2008
 Rock shelters of Hale Hollow Creek East Trail in Lost Maples State Natural Area, at evening. Vanderpool, Texas, November 8, 2008
 Ball moss (Tillandsia recurvata) in tangled balls around a tree branch in Lost Maples State Natural Area, on East Trail. Vanderpool, Texas, November 7, 2008
 Water stream of Can Creek from West Trail in Lost Maples State Natural Area. Vanderpool, Texas, November 8, 2008
 Sabinal River in Lost Maples State Natural Area, near parking. Vanderpool, Texas, November 7, 2008
 Bigtooth maple in Lost Maples State Natural Area, near parking. Vanderpool, Texas, November 7, 2008
 Sabinal River from East Trail in Lost Maples State Natural Area. Vanderpool, Texas, December 30, 2007
 Waterfall of Can Creek from West Trail in Lost Maples State Natural Area. Vanderpool, Texas, December 30, 2007
 Rocks east from Turkey Pass Trail in Enchanted Rock State Natural Area. Fredericksburg, Texas, October 27, 2007
 Rocks on a slope of Freshman Mountain east from Turkey Pass Trail in Enchanted Rock State Natural Area. Fredericksburg, Texas, October 27, 2007
 Mushroom rocks (differential weathering of shaded sides of rocks) in Enchanted Rock State Natural Area. Fredericksburg, Texas, October 27, 2007
 Lichens on rocks near Turkey Pass Trail in Enchanted Rock State Natural Area. Fredericksburg, Texas, October 27, 2007
 Weathering of rocks near Turkey Pass Trail in Enchanted Rock State Natural Area. Fredericksburg, Texas, October 27, 2007
 Weathered pedestal rocks at the top of Freshman Mountain. 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
 Masses of flakes of leather lichen (Dermatocarpon) on a horizontal granite surface in a shade of big rocks in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Painted lady butterfly (Vanessa virginiensis) on mullein flower in east area of Lost Pines State Park. Bastrop, Texas, November 14, 2009
 Painted lady butterfly (Vanessa virginiensis) with closed wings on mullein flower in east area of Lost Pines State Park. Bastrop, Texas, November 14, 2009
 Southern Jack O Lantern mushrooms (Omphalotus subilludens) on Lost Pines Trail in Lost Pines State Park. Bastrop, Texas, November 14, 2009
 Cacti east from Turkey Pass Trail in Enchanted Rock State Natural Area. Fredericksburg, Texas, October 27, 2007
 Gray Hairstreak (Strymon melinus) butterfly on flower heads of fragrant cudweed (sweet everlasting, Pseudognaphalium obtusifolium) in east area of Lost Pines State Park. Bastrop, Texas, November 14, 2009
 Red maples in a swamp in Simmons Mill Pond Management Area south from Adamsville. Little Compton, Rhode Island, October 6, 2004
 In Massasoit State Park, a trail around Little Bearhole Pond. East Taunton, Massachusetts, November 6, 2003
 In Massasoit State Park, a trail around Little Bearhole Pond. East Taunton, Massachusetts, November 6, 2003
 Cypresses and rocks below Beach Area in Pedernales Falls State Park. Johnson City, Texas, November 7, 2009
 Toad Pond from Lost Pines Trail in Bastrop State Park. Bastrop, Texas, June 16, 2012
 Rocks and a cypress above Pedernales Falls. Johnson City, Texas, November 29, 2008
 Rocks and a cave near Pedernales Falls. Johnson City, Texas, November 29, 2008
 Area of red rocks on Blue Creek Trail. Big Bend National Park, November 29, 2009
 Walking on Lost Pines Trail in Bastrop State Park. Bastrop, Texas, May 17, 2008
 Dumpling Rocks, or "House on the Rocks" and Newport Bridge in East Passage of Narragansett Bay, view from a ferry. Rhode Island, September 5, 2004
 Red trail near Piney Hill Campgrounds in Lost Pines State Park. Bastrop, Texas, November 14, 2009
 A trail near Piney Hill Campgrounds in Lost Pines State Park. Bastrop, Texas, November 14, 2009
 A trail near Piney Hill Campgrounds in Lost Pines State Park. Bastrop, Texas, November 14, 2009
 Horse apple (osage orange) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 16, 2008
 CCC pavilion at an overlook in Lost Pines State Park. Bastrop, Texas, September 6, 2008
 Water fern (Azolla) and duckweed both in natural light and under 365 nm ultraviolet (UV-A) blacklight taken from a pond in Bee Creek Park. College Station, Texas, November 11, 2024
 A trail with smoke rising from Piney Hill Campgrounds in Lost Pines State Park. Bastrop, Texas, November 14, 2009
 East side of Flag Pond, with old inflorescences of bushy bluestem (Andropogon glomeratus), view from a loop trail. Somerville, Texas, February 24, 2008
 Close-up of water fern (Azolla) and duckweed both in natural light and under 365 nm ultraviolet (UV-A) blacklight from a pond in Bee Creek Park. College Station, Texas, November 12, 2024
 Close-up of water fern (Azolla) and duckweed both in natural light and under 365 nm ultraviolet (UV-A) blacklight from a pond in Bee Creek Park. College Station, Texas, November 12, 2024
 Prickly pears (Opuntia) on exposed limestone rocks near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 18, 2020
 Turkey Pass Trail in Enchanted Rock State Natural Area. Fredericksburg, Texas, October 27, 2007
 Lost Pines Trail in Bastrop State Park. Bastrop, Texas, November 4, 2007
 Lost Pines Trail in mist in Bastrop State Park. Bastrop, Texas, November 4, 2007
 A road in Massasoit State Park, in area of Little Bearhole Pond. East Taunton, Massachusetts, February 6, 2005.
 Sycamore tree in Massasoit State Park, in area of Little Bearhole Pond. East Taunton, Massachusetts, February 6, 2005.
 Many Warts mushroom (Amanita polypyramis) on Lost Pines Trail in Bastrop State Park. Bastrop, Texas, November 4, 2007
 Prickly pear cactus on Turkey Pass Trail in Enchanted Rock State Natural Area. Fredericksburg, Texas, October 27, 2007
 Sunset over volcanic rocks of Timna Massif, view from the entrance to the park, 13 miles north from Eilat. The Middle East, November 7, 2002
 Area of Lost Pines hiking trail in Bastrop State Park. Bastrop, Texas, April 21, 2012
 Barren area of Lost Pines Trail in Bastrop State Park. Bastrop, Texas, October 5, 2013
 Area of Echo Canyon in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Green moss in area of water seepage in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Beach Area in Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Scaly stippled lichen (Endocarpon pusillum) on a thin layer of soil over exposed limestone rocks overgrown by prickly pears near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Scaly stippled lichen (Endocarpon pusillum) on a thin layer of soil over exposed limestone rocks overgrown by prickly pears near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 18, 2020
 Pond above Pedernales Falls. Johnson City, Texas, November 29, 2008
 Area of Trummel Crossing in Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Cypresses in north area of Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Cypresses in Beach Area in Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Roots in north area of Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Close-up of scaly stippled lichen (Endocarpon pusillum) on a thin layer of soil over exposed limestone rocks overgrown by prickly pears near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 18, 2020
 In Massasoit State Park, near trail around Little Bearhole Pond. East Taunton, Massachusetts, February 6, 2005.
 Area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 2020
 Red cypress foliage in north area of Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 River flats in north area of Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Cypress forest in north area of Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Cypresses "bonsai" in north area of Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Pedestal rock (differential weathering) near Turkey Pass Trail in Enchanted Rock State Natural Area. Fredericksburg, Texas, October 27, 2007
 A holding pond of cranberry bogs in the area of Perry Bogs in Massasoit State Park. East Taunton, Massachusetts, September 30, 2004
 Holding pond behind cranberry bogs in the area of Perry Bogs of Massasoit State Park. East Taunton, Massachusetts, October 18, 2003
 Close up of leather lichen Dermatocarpon luridum in water seepage area on granite in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Ski tracks in Massasoit State Park, near trail around Little Bearhole Pond. East Taunton, Massachusetts, February 6, 2005.
 Trees damaged by floodings in north area of Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Trunks of dead trees in north area of Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Trees trimmed by floodings in north area of Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Roots of cypress trees in north area of Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Dying cypress trees in north area of Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
 Cypresses on a river island in north area of Pedernales Falls State Park. Johnson City, Texas, November 2, 2008
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