 Tall granite tombstones in Masonic Cemetery. Chappell Hill, Texas, March 17, 2019
 Tombs in Masonic Cemetery. Chappell Hill, Texas, March 17, 2019
 Tombs and oaks in Masonic Cemetery. Chappell Hill, Texas, March 17, 2019
 Blue tomb in Masonic Cemetery. Chappell Hill, Texas, March 17, 2019
 Tomb of Mary E. Chappell in Masonic Cemetery. Chappell Hill, Texas, May 6, 2012
 Flowers on a tombstone in Masonic Cemetery. Chappell Hill, Texas, May 6, 2012
 Masonic Cemetery on Old Chappell Hill Road, near Road 1155. East from Brenham, Texas, April 6, 2008
 Granite obelisk on Mikhailovskaya Lane in Smolenskoe Cemetery of Vasilievsliy Island. Saint Petersburg, Russia, October 27, 2016
 Some grey lichen on a granite tombstone in City Cemetery. Bryan, Texas, March 3, 2019
 Some grey lichen together with Caloplaca on a granite tombstone in City Cemetery. Bryan, Texas, March 3, 2019
 Bluebonnets and paintbrush north from Chappell Hill. Texas, March 25, 2018
 Some grey lichen with black apothecia on a granite tombstone in City Cemetery. Bryan, Texas, March 3, 2019
 Field of bluebonnet flowers north from Chappell Hill. Texas, March 25, 2018
 Bluebonnets near Lake Drive north from Chappell Hill. Texas, March 25, 2018
 Plants of bluebonnet (Lupinus) north from Chappell Hill. Texas, March 25, 2018
 Bluebonnets (Lupinus) in bloom north from Chappell Hill. Texas, March 25, 2018
 Blooming bluebonnets (Lupinus) north from Chappell Hill. Texas, March 25, 2018
 Bluebonnet (Lupinus) flowers north from Chappell Hill. Texas, March 25, 2018
 A tomb of Hiram Lodge No. 70.F. and A. M. in Masonic Cemetery near Conti Street. New Orleans, Louisiana, March 13, 2005.
 Close up of some grey lichen with black apothecia on a granite tombstone in City Cemetery. Bryan, Texas, March 3, 2019
 Masses of bluebonnet (Lupinus) flowers north from Chappell Hill. Texas, March 25, 2018
 Stand of bluebonnet (Lupinus) flowers north from Chappell Hill. Texas, March 25, 2018
 Dense bluebonnet (Lupinus) flowers north from Chappell Hill. Texas, March 25, 2018
 Blue flowers of bluebonnet (Lupinus) north from Chappell Hill. Texas, March 25, 2018
 A farm house with bluebonnets (Lupinus) north from Chappell Hill. Texas, March 25, 2018
 Clarann Lane with bluebonnets (Lupinus) north from Chappell Hill. Texas, March 25, 2018
 A farm with bluebonnet (Lupinus) flowers north from Chappell Hill. Texas, March 25, 2018
 Peppered rock-shield lichen (Xanthoparmelia conspersa) on a granite tombstone in City Cemetery. Bryan, Texas, March 3, 2019
 Stone obelisk of Alford Cillam in Calvert Cemetery. Calvert, Texas, March 18, 2018
 Bluebonnet flowers at 9190 Lake Drive north from Chappell Hill. Texas, March 25, 2018
 Large field of bluebonnet (Lupinus) flowers north from Chappell Hill. Texas, March 25, 2018
 Pattern of peppered rock-shield lichen (Xanthoparmelia conspersa) on a granite tomb in City Cemetery. Bryan, Texas, March 3, 2019
 Apothecia of peppered rock-shield lichen (Xanthoparmelia conspersa) on a granite tomb in City Cemetery. Bryan, Texas, March 3, 2019
 Texture of peppered rock-shield lichen (Xanthoparmelia conspersa) on a granite tomb in City Cemetery. Bryan, Texas, March 3, 2019
 Marble and granite tombs in Historic Independence Cemetery near Independence. Texas, March 31, 2019
 Masonic Hall (Pierce Masonic Lodge No. 144) at 410 Main Street, a corner of East Mitchell Street. Calvert, Texas, January 28, 2007
 Masonic Hall (McRary-Drury Building, Pierce Masonic Lodge No. 144) at 410 Main Street, a corner of East Mitchell Street. Calvert, Texas, December 27, 2011
 Masonic Hall (McRary-Drury Building, Pierce Masonic Lodge No. 144) at 410 Main Street, a corner of East Mitchell Street. Calvert, Texas, December 22, 2011
 Masonic Hall (McRary-Drury Building, Pierce Masonic Lodge No. 144) at 410 Main Street, a corner of East Mitchell Street. Calvert, Texas, December 13, 2009
 Masonic Hall (McRary-Drury Building, Pierce Masonic Lodge No. 144) at 410 Main Street, a corner of East Mitchell Street. Calvert, Texas, November 25, 2011
 Rosette lichen (Physcia) on a granite tombstone in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Flowers over a rusty fence near Old Chappell Hill Road. Texas, May 6, 2012
 Field gate near Road FM 2447. Chappell Hill, Texas, May 6, 2012
 Pattern of rosette lichen (Physcia) on a granite tombstone in Boonville Cemetery. Bryan, Texas, January 27, 2019
 Marble obelisk in Calvert Cemetery. Calvert, Texas, December 13, 2009
 Sandburs on a roadside of Meyersville Road. North from Chappell Hill, Texas, September 21, 2008
 Dodder on a roadside of Meyersville Road. North from Chappell Hill, Texas, September 21, 2008
 Dayflower on a roadside of Meyersville Road. North from Chappell Hill, Texas, September 21, 2008
 Rock shield lichen (Xanthoparmelia) on a granite tombstone in old Port Sullivan cemetery, west from Hearne. Texas, January 8, 2019
 Marble obelisk in Calvert Cemetery. Calvert, Texas, May 9, 2012
 Masonic compass symbol on a tombstone both in natural light and under 365 nm ultraviolet (UV-A) blacklight in Odd Fellow Cemetery. Anderson, Texas, November 9, 2024
 Close up of rock shield lichen (Xanthoparmelia) on a granite tombstone in old Port Sullivan cemetery, west from Hearne. Texas, January 8, 2019
 White and pink milkweed (asclepias) near Meyersville Road. North from Chappell Hill, Texas, September 21, 2008
 Blooming snake cotton (Froelichia) on a roadside of Meyersville Road. North from Chappell Hill, Texas, September 21, 2008
 Perforated ruffle lichen (Parmotrema perforatum) on a granite tombstone in Old Independence Cemetery near Independence. Texas, February 10, 2019
 Broom-wood (Melochia pyramidata(?)) flowers on a roadside of Meyersville Road. North from Chappell Hill, Texas, September 21, 2008
 Pink powderpuff flower (Mimosa strigillosa) on a roadside of Meyersville Road. North from Chappell Hill, Texas, September 21, 2008
 Flower of large buttonweed (Diodia virginiana) on a roadside of Meyersville Road. North from Chappell Hill, Texas, September 21, 2008
 Farm with bluebonnet flowers, view from crossing of Old Navasota and Old Chappell Hill roads. North from Brenham, Texas, April 6, 2008
 Peppered rock-shield lichen (Xanthoparmelia conspersa) on a granite tombstone in Old Independence Cemetery near Independence. Texas, February 10, 2019
 Tiny yellow flowerhead of lawnflower (Calyptocarpus vialis) on a roadside of Meyersville Road. North from Chappell Hill, Texas, September 21, 2008
 Shed and a horse with bluebonnet flowers, view from crossing of Old Navasota and Old Chappell Hill roads. North from Brenham, Texas, April 6, 2008
 Death camas (Zigadenus nuttallii) in bloom along South Meyersville Road near FM 1155 S., north from Chappell Hill, Texas. April 7, 2010.
 Flower of Death camas (Poison onion, Zigadenus nuttallii) along South Meyersville Road near FM 1155 S., north from Chappell Hill, Texas. April 7, 2010.
 Fence of Triple T Ranch and bluebonnet flowers, view from Old Chappell Hill Road, near Pulawski School Lane. East from Brenham, Texas, April 6, 2008
 Masonic symbol of compass and angle on a tomb when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight in Calvert Cemetery. Calvert, Texas, November 3, 2024
 Farm in mist, view from Old Navasota Road, near Old Chappell Hill Road. North from Brenham, Texas, April 6, 2008
 Flower of Death camas (Nuttall s deathcamas, Zigadenus nuttallii) in bloom along South Meyersville Road near FM 1155 S., north from Chappell Hill, Texas. April 7, 2010.
 Blooming Death camas (Nuttall s deathcamas, Zigadenus nuttallii) on pasture near South Meyersville Road near FM 1155 S., north from Chappell Hill, Texas. April 7, 2010.
 Close up of flower of Death camas (Poison onion, Zigadenus nuttallii) along South Meyersville Road near FM 1155 S., north from Chappell Hill, Texas. April 7, 2010.
 Detail of a tomb in Necropolis of Alexander Nevsky Lavra (Lazarevskoe Cemetery). Saint Petersburg, Russia, July 5, 2016
 Dense field of bluebonnet flowers, view from Old Navasota Road, near Old Chappell Hill Road. North from Brenham, Texas, April 6, 2008
 Firedot lichen Caloplaca subsoluta (Squamulea subsoluta, Caloplaca irrubescens) on a granite tombstone in old Port Sullivan cemetery, west from Hearne. Texas, January 8, 2019
 Detail of a marble tombstone in Calvert Cemetery. Calvert, Texas, December 13, 2009
 Pollinating greenish-yellow staminate blossoms of common ragweed (Ambrosia artemisiifolia) near Meyersville Road, with a silken strand from a spider mite. North from Chappell Hill, Texas, September 21, 2008
 Ranch road in mist, view from Old Navasota Road, near Old Chappell Hill Road. North from Brenham, Texas, April 6, 2008
 Firedot lichen Caloplaca subsoluta (Squamulea subsoluta, Caloplaca irrubescens) with black prothallus on a granite tomb in old Port Sullivan cemetery, west from Hearne. Texas, January 8, 2019
 Detail of a tomb of a person who died in Boonville TX in 1875 in Boonville Cemetery. Bryan, Texas, December 8, 2009
 Detail of a marble sculpture on a tomb of a Soviet ballerina A. Shelest in Literatorskie Mostki section of Volkovo Cemetery. Saint Petersburg, Russia, July 13, 2016
 Broad scarlet dragonfly (Crocothemis erythraea) in obelisk position near a service road of Abu Nakhla wastewater treatment ponds. Doha, Qatar, March 29, 2014
 Female broad scarlet dragonfly (Crocothemis erythraea) holding its abdomen up (obelisk position) near Abu Nakhla wastewater treatment ponds. Doha, Qatar, March 29, 2014
 Granite stellas in City Cemetery. Bryan, Texas, December 18, 2018
 Stellas of grey granite in City Cemetery. Bryan, Texas, January 17, 2023
 Lichens on a granite tombstone in City Cemetery. Bryan, Texas, December 15, 2012
 Granite tomb of McCraw in City Cemetery. Bryan, Texas, January 17, 2023
 Lichens on a granite tomb in City Cemetery. Bryan, Texas, January 17, 2023
 Detail of a painting Melancholy at the Shore (2013) by Nikolay Rybakov in Erarta Museum of Contemporary Art. Saint Petersburg, Russia, May 29, 2019
 Detail of pattern on a door in Museum of Islamic Art. Doha, Qatar, March 6, 2013
 Detail of brass engraving in Museum of Islamic Art. Doha, Qatar, March 9, 2012
 Detail of a mosque lamp in Museum of Islamic Art. Doha, Qatar, March 9, 2012
 Detail of a carpet on display in Museum of Islamic Art. Doha, Qatar, March 12, 2011
 Button lichen (Buellia) on a granite tombstone in Odd Fellow Cemetery. Anderson, Texas, December 31, 2018
 Granite cross in Nikolskoe Cemetery of Alexander Nevsky Lavra. Saint Petersburg, Russia, May 25, 2011
 Granite tomb in Novodevichye Cemetery at Moskovskiy Prospekt. Saint Petersburg, Russia, September 22, 2015
 Granite pillar in Novodevichye Cemetery at Moskovskiy Prospekt. Saint Petersburg, Russia, June 15, 2011
 Granite tomb in Novodevichye Cemetery at Moskovskiy Prospect. Saint Petersburg, Russia, October 18, 2016
 Granite tomb in Novodevichye Cemetery at Moskovskiy Prospect. Saint Petersburg, Russia, October 18, 2016
 Rock-shield lichen (Xanthoparmelia) on a granite tombstone in City Cemetery. Bryan, Texas, December 8, 2018
 Detail of mother-of-pearl inlay of an Indian chest in Museum of Islamic Art. Doha, Qatar, March 9, 2012
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