 Small butterfly in Cockrell Butterfly Center of Houston Museum of Natural Science. Houston, Texas, January 22, 2011
 Black and red striped butterfly in Cockrell Butterfly Center of Houston Museum of Natural Science. Houston, Texas, January 22, 2011
 Emerald Swallowtail (Papilio Palinurus) in Cockrell Butterfly Center of Houston Museum of Natural Science. Houston, Texas, February 14, 2009
 Close-up of Emerald Swallowtail (Papilio Palinurus) in Cockrell Butterfly Center of Houston Museum of Natural Science. Houston, Texas, February 14, 2009
 Green frog in Cockrell Butterfly Center of Houston Museum of Natural Science. Houston, Texas, January 22, 2011
 Honey bees in Cockrell Butterfly Center of Houston Museum of Natural Science. Houston, Texas, January 22, 2011
 Sitting green frog in Cockrell Butterfly Center of Houston Museum of Natural Science. Houston, Texas, January 22, 2011
 Butterfly on pink Pentas lanceolata flowers in Cockrell Butterfly Center of Houston Museum of Natural Science. Houston, Texas, February 14, 2009
 Fish on a wall of fish tank in Cockrell Butterfly Center of Houston Museum of Natural Science. Houston, Texas, January 22, 2011
 Butterfly head in Cockrell Butterfly Center of Houston Museum of Natural Science. Houston, Texas, February 14, 2009
 Speckled butterfly in Cockrell Butterfly Center of Houston Museum of Natural Science. Houston, Texas, February 14, 2009
 Sitting butterfly in Cockrell Butterfly Center of Houston Museum of Natural Science. Houston, Texas, February 14, 2009
 Close-up of a black and red butterfly in Cockrell Butterfly Center of Houston Museum of Natural Science. Houston, Texas, February 14, 2009
 Black and red striped butterfly in Cockrell Butterfly Center of Houston Museum of Natural Science. Houston, Texas, February 14, 2009
 Black and red butterfly on a leaf in Cockrell Butterfly Center of Houston Museum of Natural Science. Houston, Texas, February 14, 2009
 Black and orange butterfly in Cockrell Butterfly Center of Houston Museum of Natural Science. Houston, Texas, February 14, 2009
 Flying Dutchman butterfly in Cockrell Butterfly Center of Houston Museum of Natural Science. Houston, Texas, February 14, 2009
 Black butterfly with white stripes in Cockrell Butterfly Center of Houston Museum of Natural Science. Houston, Texas, February 14, 2009
 Red Peacock Butterfly (Anartia amathea) in Cockrell Butterfly Center of Houston Museum of Natural Science. Houston, Texas, February 14, 2009
 Close-up of Dryadula Phaetusa(?) butterfly in Cockrell Butterfly Center of Houston Museum of Natural Science. Houston, Texas, February 14, 2009
 Butterfly on a flower of tropical milkweed in Cockrell Butterfly Center of Houston Museum of Natural Science. Houston, Texas, February 14, 2009
 Close-up of a feeding Owl Butterfly (Caligo) in Cockrell Butterfly Center of Houston Museum of Natural Science. Houston, Texas, February 14, 2009
 Orange butterfly Dryadula Phaetusa(?) in Cockrell Butterfly Center of Houston Museum of Natural Science. Houston, Texas, February 14, 2009
 Rice Paper Butterfly (Idea leuconoe) in Cockrell Butterfly Center of Houston Museum of Natural Science. Houston, Texas, February 14, 2009
 Close-up of Red Peacock Butterfly (Anartia amathea) in Cockrell Butterfly Center of Houston Museum of Natural Science. Houston, Texas, February 14, 2009
 Butterfly on Pentas lanceolata (Penta starla) flowers in Cockrell Butterfly Center of Houston Museum of Natural Science. Houston, Texas, February 14, 2009
 Owl Butterfly (Caligo) feeding on a rotten star fruit in Cockrell Butterfly Center of Houston Museum of Natural Science. Houston, Texas, February 14, 2009
 Owl Butterfly (Caligo) with dramatic eyespots on the underside of the lower wing in Cockrell Butterfly Center of Houston Museum of Natural Science. Houston, Texas, February 14, 2009
 Caterpillar on a leaf in Cockrell Butterfly Center of Houston Museum of Natural Science. Houston, Texas, February 14, 2009
 Blue Wave Butterfly (Myscelia cyaniris) with bands of iridescent blue across the upper wing surface in Cockrell Butterfly Center of Houston Museum of Natural Science. Houston, Texas, February 14, 2009
 Blue flower of Lignum Vitae (Gaiac tree, Guaiacum sanctum) in Cockrell Butterfly Center of Houston Museum of Natural Science. Houston, Texas, February 14, 2009
 Orange moth on display in Houston Museum of Natural Science. Houston, Texas, January 22, 2011
 Black swallowtail butterfly (Papilio polyxenes) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Head of black swallowtail butterfly (Papilio polyxenes) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Close-up of a tail section of black swallowtail butterfly (Papilio polyxenes) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Caterpillar of black swallowtail butterfly (Papilio polyxenes) on parsley in Butterfly Garden at Andy Anderson Arboretum in Bee Creek Park. College Station, Texas, August 5, 2021
 Caterpillar of black swallowtail butterfly (Papilio polyxenes) on a stalk of parsley in Butterfly Garden at Andy Anderson Arboretum in Bee Creek Park. College Station, Texas, August 5, 2021
 Young caterpillar of black swallowtail butterfly (Papilio polyxenes) on a stalk of parsley in Butterfly Garden at Andy Anderson Arboretum in Bee Creek Park. College Station, Texas, August 5, 2021
 Giant Swallowtail butterfly (Papilio cresphontes) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, June 7, 2019
 Close up of giant Swallowtail butterfly (Papilio cresphontes) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, June 7, 2019
 Giant Swallowtail butterfly (Papilio cresphontes) on yaupon holly on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, June 7, 2019
 Historic Mission Control Center in NASA Space Center Museum. Houston, Texas, February 16, 2008
 Current Mission Control Center in NASA Space Center Museum. Houston, Texas, February 16, 2008
 Apparatus in current Mission Control Center in NASA Space Center Museum. Houston, Texas, February 16, 2008
 Mysterious buttons in Historic Mission Control Center in NASA Space Center Museum. Houston, Texas, February 16, 2008
 Visitor s walk in current Mission Control Center in NASA Space Center Museum. Houston, Texas, February 16, 2008
 Black swallowtail butterfly in Lick Creek Park. College Station, Texas, May 13, 2010
 Pipevine swallowtail (Battus philenor) butterfly in Antique Rose Emporium. Independence, Texas, March 8, 2009
 Caterpillar of black swallowtail butterfly (Papilio polyxenes) in dew in Lick Creek Park. College Station, Texas, May 4, 2010
 Inactive black swallowtail butterfly (Papilio polyxenes) in dew in Lick Creek Park. College Station, Texas, May 4, 2010
 Black-veined white butterfly (Aporia crataegi) on a pink flower east from Kuzmolovo, 7 miles north from Saint Petersburg. Russia, June 22, 2011
 Caterpillar of black swallowtail butterfly (Papilio polyxenes) in Lick Creek Park. College Station, Texas, April 18, 2022
 Black swallowtail butterfly (Papilio polyxenes) on Iron Bridge Trail in Lick Creek Park. College Station, Texas, June 4, 2010
 Black swallowtail butterfly (Papilio polyxenes) on Post Oak Trail at morning in Lick Creek Park. College Station, Texas, June 4, 2010
 Ventral surface of Black swallowtail butterfly (Papilio polyxenes) on Iron Bridge Trail in Lick Creek Park. College Station, Texas, June 4, 2010
 Tail part of black swallowtail butterfly (Papilio polyxenes) in Lake Bryan Park. Bryan, Texas, June 2, 2010
 Caterpillar of black swallowtail butterfly (Papilio polyxenes) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 29, 2010
 Caterpillar of black swallowtail butterfly (Papilio polyxenes) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 23, 2010
 Green form of chrysalis (pupal stage of butterfly) of Black Swallowtail formed on a plant stem in Lick Creek Park. College Station, Texas, June 1, 2010
 Tail area of wings of Black swallowtail butterfly (Papilio polyxenes) on Iron Bridge Trail in Lick Creek Park. College Station, Texas, June 4, 2010
 Black swallowtail butterfly (Papilio polyxenes) on woodoats (Chasmanthium latifolium) on Iron Bridge Trail in Lick Creek Park. College Station, Texas, June 4, 2010
 Black swallowtail butterfly (Papilio polyxenes) at morning on a stalk of Slender bush clover in Lake Bryan Park. Bryan, Texas, June 2, 2010
 View of the fountain of Christian Science Center from an observatory of Prudential Tower in Boston, August 2, 1999.
 Disturbed caterpillar of black swallowtail butterfly (Papilio polyxenes) in defensive pose showing orange horns (osmeterium) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 23, 2010
 Pipevine swallowtail(?) caterpillar in Antique Rose Emporium. Independence, Texas, May 7, 2011
 Kids Place in NASA Space Center Museum. Houston, Texas, February 16, 2008
 Junk rocket in NASA Space Center Museum. Houston, Texas, February 16, 2008
 Installations Color and Science in Erarta Museum of Contemporary Art. Saint Petersburg, Russia, May 6, 2021
 Wires of Saturn Rocket in NASA Space Center Museum. Houston, Texas, February 16, 2008
 Guts of Saturn Rocket in NASA Space Center Museum. Houston, Texas, February 16, 2008
 Engine of Saturn rocket in NASA Space Center Museum. Houston, Texas, February 16, 2008
 Caterpillar of black swallowtail butterfly (Papilio polyxenes) in defensive pose retracting orange horns (osmeterium) and showing three pairs of front legs in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 23, 2010
 Pink rotunda in Hermitage Museum. Saint Petersburg, Russia, January 2, 2016
 Tubes and wires of Saturn Rocket in NASA Space Center Museum. Houston, Texas, February 16, 2008
 Red spotted reptile in Houston Zoo. Houston, Texas, December 23, 2009
 Paintings of pink rotunda in Hermitage Museum. Saint Petersburg, Russia, January 2, 2016
 Pink flowers of smallflower mallow (Malva parviflora or may be nicaeensis) taken from Green Circles (center-pivot irrigation) in Irkhaya Farms. Qatar, January 16, 2015
 Saturn Rocket in junk rocket park of NASA Space Center Museum. Houston, Texas, February 16, 2008
 Pink flowers of heath spotted-orchid (Dactylorhiza maculata) in Zakhodskoe, 50 miles north from Saint Petersburg. Russia, July 10, 2016
 Pink flower spike of heath spotted-orchid (Dactylorhiza maculata) in Zakhodskoe, 50 miles north from Saint Petersburg. Russia, July 10, 2016
 Brown caterpillars of Pipevine swallowtail(?) (Battus philenor) on Old Logging Trail in Jesse H. Jones Park. Humble (Houston area), Texas, April 5, 2009
 Spotted Flower Beetle (Stephanorrhina guttata) in Zoological Museum. Saint Petersburg, Russia, February 15, 2013
 Blue Spotted Flower Beetle (Stephanorrhina guttata) in Zoological Museum. Saint Petersburg, Russia, February 15, 2013
 Spotted cucumber beetle (Diabrotica undecimpunctata) on a shoot of prickly pears cactus in Ladybird Johnson Wildflower Center. Austin, Texas, March 7, 2009
 City Center Mall in West Bay, view from Conference Center Street. Doha, Qatar, March 12, 2011
 Islamic Da wah Center and trolley tracks on Main Street in downtown. Houston, Texas, January 21, 2008
 Entrance of City Center Mall in West Bay, view from Conference Center Street. Doha, Qatar, March 12, 2011
 Pink flowers of Fire Spike (Odontonema callistachyum) in Mercer Arboretum and Botanical Gardens. Humble (Houston area), Texas, January 11, 2009
 Fountain in front of Clayton Williams Alumni Center at a corner of George Bush Drive and Houston Street on campus of Texas A and M University. College Station, Texas, December 4, 2011
 Spores of a small pluteus mushroom growing on soil (spore print pink), collected in Sam Houston National Forest near Montgomery. Texas, January 6, 2024
 Enterprize Plaza in downtown. Houston, Texas, January 22, 2011
 Pennzoil Place in downtown. Houston, Texas, January 22, 2011
 Yellow-spotted Agama (Trapelus flavimaculatus) lizard on periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, March 5, 2016
 Yellow-spotted Agama (Trapelus flavimaculatus) lizard on periphery of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, March 5, 2016
 Tiny yellow flower of aster family on pink granite in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Yellow cobblestone lichen Acarospora socialis on pink granite in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Dark brown crustose lichen Caloplaca on pink granite in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Mexican yolk lichen (Candelina submexicana) on pink granite in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Brown lichen Caloplaca with other crustose lichens on pink granite in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
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