 Persimmons fallen on Grassland Trail in Rock Bridge State Park. Columbia, Missouri, September 25, 2005
 Wild persimmon (Diospyros virginiana) near Gan s Creek trail head (blue trail) in Rock Bridge State Park. Columbia, Missouri, September 16, 2005
 High Ridge trail in Rock Bridge State Park, at morning. Columbia, Missouri, September 24, 2005
 Sunflowers near High Ridge Trail in Rock Bridge State Park. Columbia, Missouri, September 17, 2005
 High Ridge Trail at morning in Rock Bridge State Park. Columbia, Missouri, September 17, 2005
 Armillaria mushrooms near Deer Run Trail in Rock Bridge State Park. Columbia, Missouri, September 12, 2005
 High Ridge Trail in morning fog in Rock Bridge State Park. Columbia, Missouri, September 17, 2005
 A mushroom in Rock Bridge State Park, on High Ridge trail. Columbia, Missouri, September 22, 2005
 A small lake near High Ridge trail in Rock Bridge State Park. Columbia, Missouri, September 24, 2005
 Chanterelle mushrooms near Devil s Icebox Trail in Rock Bridge State Park. Columbia, Missouri, September 27, 2005
 High Ridge trail in Rock Bridge State Park, at misty morning. Columbia, Missouri, September 24, 2005
 Dew on spider web at morning near High Ridge Trail in Rock Bridge State Park. Columbia, Missouri, September 17, 2005
 Staghorn sumac (Rhus typhina) near High Ridge Trail in Rock Bridge State Park. Columbia, Missouri, September 29, 2005
 Branched thorns growing from a trunk of honey locust (Gleditsia triacanthos) near Deer Run Trail in Rock Bridge State Park. Columbia, Missouri, September 12, 2005
 Leccinum mushrooms with yellow pores under pine trees near Red Connection of Spring Brook Trail in Rock Bridge State Park. Columbia, Missouri, September 11, 2005
 Giant puffball mushroom between Devil s Icebox and Sinkhole trails in Rock Bridge State Park. Columbia, Missouri, September 27, 2005
 A giant puffball mushroom between Devil s Icebox and Sinkhole trails in Rock Bridge State Park. Columbia, Missouri, September 27, 2005
 A farm, view from road K, near Rock Bridge Park. Columbia, Missouri, September 24, 2005
 Old railroad bridge of MKT Parkway. Columbia, Missouri, September 8, 2005
 Burr Oak Road, at morning. Columbia, Missouri, September 24, 2005
 Brushwood Lake near MKT Parkway. Columbia, Missouri, September 8, 2005
 Twin Lakes at evening. Columbia, Missouri, September 2, 2005
 Twin Lakes at sunset. Columbia, Missouri, September 6, 2005
 Waterfall in Shelter Insurance Gardens. Columbia, Missouri, September 1, 2005
 Twin Lakes at evening, after rain. Columbia, Missouri, September 19, 2005
 A.S. reading a book titled "Why the United States will cease to exist", in Russian. Columbia, Missouri, September 9, 2005
 Kathy Trail along Missouri River near Columbia, Missouri. October 23, 1999.
 Kathy Trail along Missouri River near Columbia, Missouri. October 23, 1999.
 Rocks along Missouri River, view from Kathy Trail near Columbia, Missouri. October 23, 1999.
 Rocks and bushes along Missouri River, view from Kathy Trail near Columbia, Missouri. October 23, 1999.
 Bushes on rocks along Missouri River, view from Kathy Trail near Columbia, Missouri. October 23, 1999.
 Interior of Missouri State Capitol, view from the second floor, with the State Museum in background. Jefferson City, Missouri, September 17, 2005
 View from the second floor of Missouri State Capitol, with exhibits of the State Museum in background. Jefferson City, Missouri, September 17, 2005
 The second floor of Missouri State Capitol. Jefferson City, Missouri, September 17, 2005
 Entrance of Missouri State Capitol. Jefferson City, Missouri, September 17, 2005
 A dome of Missouri State Capitol, from the second(?) floor. Jefferson City, Missouri, September 17, 2005
 The second floor and the rotunda of Missouri State Capitol. Jefferson City, Missouri, September 17, 2005
 Rotunda of the second floor of Missouri State Capitol. Jefferson City, Missouri, September 17, 2005
 Upper House(?) Chamber in Missouri State Capitol. Jefferson City, Missouri, September 17, 2005
 A domed structure in the second floor of Missouri State Capitol. Jefferson City, Missouri, September 17, 2005
 Upper Senate(?) Chamber in Missouri State Capitol. Jefferson City, Missouri, September 17, 2005
 Interior of the dome of Missouri State Capitol, view from the first floor. Jefferson City, Missouri, September 17, 2005
 Rotunda of Missouri State Capitol, with History Hall in background, view from the second floor. Jefferson City, Missouri, September 17, 2005
 The House Lounge with Thomas Hart Benton murals in Missouri State Capitol. Jefferson City, Missouri, September 17, 2005
 A tour of Thomas Hart Benton murals in the House Lounge in Missouri State Capitol. Jefferson City, Missouri, September 17, 2005
 A domed structure in the second floor and an opening to the third floor of Missouri State Capitol. Jefferson City, Missouri, September 17, 2005
 A mushroom with brown spores near Coakley Hollow Trail in Lake of the Ozarks State Park. Missouri, September 10, 2005
 A lake and a bench near a trail south-west from Visitor Center in Onondaga Cave State Park. Leasburg, Missouri, September 24, 2005
 Castle on the Lake of the Ozarks in Ha Ha Tonka State Park. Missouri, September 10, 2005
 Ruins of a castle on the Lake of the Ozarks in Ha Ha Tonka State Park. Missouri, September 10, 2005
 A cave of Ozark Caverns in Lake of the Ozarks State Park. Missouri, September 10, 2005
 Angels Showers waterfall in a cave of Ozark Caverns in Lake of the Ozarks State Park. Missouri, September 10, 2005
 Cathedral Cave in Onondaga Cave State Park. Leasburg, Missouri, September 24, 2005
 In Cathedral Cave in Onondaga Cave State Park. Leasburg, Missouri, September 24, 2005
 A lake near Columbia, Missouri. October 24, 1999.
 A lake near Columbia, Missouri. October 24, 1999.
 Katy Trail west from Rocheport. Missouri, September 5, 2005
 A lake and sand hills near Columbia, Missouri. October 24, 1999.
 Railroad tunnel of Katy Trail in Rocheport. Missouri, September 7, 2005
 Cliffs near Katy Trail west from Rocheport. Missouri, September 5, 2005
 Cave deposits in Cathedral Cave in Onondaga Cave State Park. Leasburg, Missouri, September 24, 2005
 A barn near Katy Trail west from Rocheport, at mile 180. Missouri, September 7, 2005
 Jesse Hall (administration building). University of Columbia in Missouri, October 23, 1999.
 Fruits of Jack-in-the-Pulpit near Katy Trail west from Rocheport. Missouri, September 7, 2005
 A plant on a roadside of Katy Trail between New Franklin and Rocheport, near marker 180. Missouri, September 18, 2005
 Railroad s explosives bunker near Katy Trail east from Rocheport, mile 177.5. Missouri, September 13, 2005
 Remains of Academic Hall burned Jan. 9, 1892 on Francis Quadrangle. University of Columbia in Missouri, October 23, 1999.
 Pearsons old clay tiled elevator near Katy Trail east from New Franklin, at marker 184.5, at intersection with CR 467, view from a corn field. Missouri, September 18, 2005
 In Onondaga Cave. Leasburg, Missouri, September 24, 2005
 A wall in Onondaga Cave. Leasburg, Missouri, September 24, 2005
 Deposits in Onondaga Cave. Leasburg, Missouri, September 24, 2005
 "The Twins" in Onondaga Cave. Leasburg, Missouri, September 24, 2005
 "Lily Pad" in Onondaga Cave. Leasburg, Missouri, September 24, 2005
 "Lily Pad Room" in Onondaga Cave. Leasburg, Missouri, September 24, 2005
 Detail of "Queen s Canopy" in Onondaga Cave. Leasburg, Missouri, September 24, 2005
 Grassland with dry stalks near Post Oak Trail in Lick Creek Park. College Station, Texas, November 5, 2007
 Mile Point Bridge in Watkins Glen State Park. New York, October 13, 2005
 A creek from bridge No. 7 in Fillmore Glen State Park. Moravia, New York, October 23, 2005
 A stone bridge in Robert H. Treman State Park. Ithaca, New York, October 23, 2005
 Wild passion flower (passiflora) on Iron Bridge Trail in Lick Creek Park. College Station, Texas, August 13, 2009
 Fallen sycamore tree in snow near Gorge Trail in Taughannock Falls State Park. New York, November 23, 2005
 Puzzle-like bark of a fallen sycamore near Gorge Trail in Taughannock Falls State Park. Ithaca, New York, October 11, 2005
 Pedestal rock (differential weathering) near Turkey Pass Trail in Enchanted Rock State Natural Area. Fredericksburg, Texas, October 27, 2007
 Echo Canyon and Little Rock from a slope of Enchanted Rock in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Little Rock from a slope of Enchanted Rock in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Rock shield lichen (Xanthoparmelia) on a mossy limestone rock in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Rock shield lichen (Xanthoparmelia)(?) on a limestone rock in a forest in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 City sewage waterfall in Cascadilla gorge, view from a stone foot bridge below and east from Stewart Avenue bridge. Ithaca, New York, October 10, 2005
 Rose Island and Newport Bridge in fog, view from Fort Adams State Park. Newport, Rhode Island, January 22, 2005.
 Peppered rock-shield lichen (Xanthoparmelia conspersa) on a sandstone rock at an overlook point in Bastrop State Park. Bastrop, Texas, February 23, 2020
 Wild buckwheat (Yerba colorado, Eriogonum annuum(?)) in Bastrop State Park. Bastrop, Texas, September 10, 2020
 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
 Rock-shield lichen Xanthoparmelia in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Rock-shield lichen Xanthoparmelia in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Rock-shield lichen (Xanthoparmelia) in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 A rock in the middle of Bell Rock Road in Freetown - Fall River State Forest. Massachusetts, August 24, 2003
 A bridge in City Park. New Orleans, Louisiana, April 17, 2005.
 Rock abrasion made by visiting tourists in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Turkeytail mushrooms (Trametes versicolor) on a fallen oak on Chinquapin Trail in Huntsville State Park. Texas, September 24, 2020
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