 Tender young pad or nopalitos of prickly pear cactus (opuntia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 26, 2018
 Tender young pad or nopalitos of prickly pear cactus (opuntia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, March 31, 2009
 Tender young pad or nopalitos of prickly pear cactus (opuntia) with glossy wax coating and fresh areolas bearing leaf primordia, spines and tufts of glochids (barbed hairs) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, March 31, 2009
 Emerging pad of prickly pear cactus (opuntia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 26, 2018
 Tender young pad or nopalitos of prickly pear cactus with glossy wax coating and fresh areolas bearing leaf primordia, spines and tufts of glochids (barbed hairs) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, March 31, 2009
 Coreid bugs Chelinidea vittiger (adult with feeding nymph) on a pad of prickly pear cactus (Opuntia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, October 7, 2008
 Rapidly growing vegetative shoot of prickly pear cactus (opuntia) with glossy wax coating and fresh areolas bearing leaf primordia, spines and tufts of glochids in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 1, 2009
 Tender young pads or nopalitos of prickly pear cactus (Opuntia) in Antique Rose Emporium. Independence, Texas, May 13, 2012
 Blooming Prickly pears (Opuntia) cactus in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 26, 2009
 Cactus coreid bug Chelinidea vittiger on a pad of prickly pear cactus in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, September 12, 2008
 Cactus coreid bug Chelinidea vittiger nymph on a pad of prickly pear cactus in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, September 29, 2008
 Nymphs of cactus bug Chelinidea vittiger feeding on prickly pear cactus in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, August 11, 2021
 Blooming prickly pear cactus (Opuntia) in Leach Teaching Gardens at Texas A and M University. College Station, Texas, April 28, 2024
 Nymphs of cactus bug Chelinidea vittiger feeding on prickly pear cactus (discolored areas of opuntia is the result of punctures) in TAMU Holistic Garden in Texas A and M University. College Station, Texas, May 11, 2008
 Sprout of prickly pears cactus (opuntia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, May 6, 2008
 New growth of prickly pears cactus (Opuntia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, May 1, 2009
 Dried sap of prickly pears cactus (Opuntia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, May 8, 2009
 Prickly peas (Opuntia) cactus at the entrance in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, December 3, 2021
 Emerging sprout (new pad) of prickly pears cactus (opuntia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, May 6, 2008
 Rapidly growing vegetative shoot of prickly pear cactus with glossy wax coating and fresh areolas bearing leaf primordia, spines and tufts of glochids (barbed hairs) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 1, 2009
 Close-up of young pad of prickly pear cactus (Opuntia) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
 Prickly pears (Opuntia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 21, 2020
 Nymphs of cactus bug Chelinidea vittiger feeding on Opuntia cactus in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, August 11, 2021
 Prickly pear cactus (Opuntia) on Moore s Hill Outcrop at FM Road 3090 near Navasota. Texas, April 21, 2018
 Fresh pads of prickly pears (Opuntia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 21, 2020
 Redeye prickly pear cactus (Engelmann prickly pear, Opuntia phaeacantha var. discata) on Savanna Meadow Trail in Ladybird Johnson Wildflower Center. Austin, Texas, May 10, 2009
 New growth shoot (apical meristem) of Opuntia cactus (pricly pears) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 17, 2009
 Yellow flower of prickly pear cactus (Opuntia) in Lick Creek Park. College Station, Texas, May 7, 2020
 Flower of prickly pear cactus (Opuntia engelmanii(?)) in Lick Creek Park. College Station, Texas, May 4, 2020
 Blooming prickly pear cactus (Opuntia engelmanii(?)) in Lick Creek Park. College Station, Texas, May 4, 2020
 Top view of young pad of prickly pear cactus (Opuntia) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
 Young pads of prickly pear cactus (Opuntia) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
 Prickly pears (Opuntia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, August 3, 2022
 Fruits of prickly pears (Opuntia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, September 10, 2012
 Fruits of prickly pears (Opuntia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, July 29, 2009
 Yellow flower of prickly pear cactus (Opuntia engelmanii(?)) with a bee in Lick Creek Park. College Station, Texas, May 4, 2020
 Pad of pricly pears (opuntia) cactus with snow in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, December 10, 2008
 Prickly pears (Opuntia) near Howdy Haus at Floriculture Road in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, August 3, 2022
 Pad decay fungus Aspergillus alliaceus(?) (black) on prickly pear cactus (Opuntia) on Kiwanis Nature Trail. College Station, Texas, December 20, 2017
 Warped pad of prickly pear cactus (Opuntia) with a cladode rot fungus Aspergillus alliaceus(?) (black) on Kiwanis Nature Trail. College Station, Texas, December 20, 2017
 Close-up of purple spots on pads of a prickly pear cactus (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Flower buds on a pad of prickly pear cactus (Opuntia) in Bastrop State Park. Bastrop, Texas, April 15, 2023
 Dry pad skeleton of prickly pear cactus (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
 Green flower buds of prickly pear cactus (Opuntia) in Bastrop State Park. Bastrop, Texas, April 15, 2023
 Yellow flowers of Prickly pear cactus (Opuntia) in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2012
 Vegetative shoot of prickly pear cactus (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
 Texture of a pad skeleton of prickly pear cactus (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
 Young Golden barrel cactus (Echinocactus grusonii) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 27, 2009
 Snail feeding on a green pad of prickly pear cactus (Opuntia) in Antique Rose Emporium in Independence. Texas, May 3, 2009
 Prickly pear cactus (Opuntia) in Dahl Al Hamam Park at Al Markhiya Street. Doha, Qatar, March 21, 2016
 Prickly peas (Opuntia) cactus in Lick Creek Park. College Station, Texas, December 18, 2018
 Snail feeding on a fresh young pad of prickly pears cactus (Opuntia) in Antique Rose Emporium. Independence, Texas, April 19, 2009
 Yellow flowers of Prickly pear cactus (Opuntia) on Savanna Meadow Trail in Ladybird Johnson Wildflower Center. Austin, Texas, May 10, 2009
 Orange flowers of Prickly pear cactus (Opuntia) on Savanna Meadow Trail in Ladybird Johnson Wildflower Center. Austin, Texas, May 10, 2009
 Dwarf rosette lichen Physcia neogaea on a dry pad of prickly pear cactus (Opuntia) in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Lace cactus in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 14, 2008
 Close-up of a slice of prickly pear (cactus fruit) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from a supermarket. College Station, Texas, September 3, 2024
 Texture of a pad skeleton of prickly pear cactus (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
 Purplish pads of a prickly pear cactus (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 Purple flower of lace cactus in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 14, 2008
 Lace cactus (Echinocereus reichenbachii) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 5, 2008
 Blooming cholla cactus(cylindropuntia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 26, 2012
 Pistils and stamens of a flower of lace cactus in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 20, 2008
 Blooming Lace cactus (Echinocereus reichenbachii) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 26, 2009
 Yellow and orange flowers of Engelmann prickly pear cactus (Opuntia phaeacantha var. discata) on Savanna Meadow Trail in Ladybird Johnson Wildflower Center. Austin, Texas, May 10, 2009
 Blooming prickly pear cactus (Opuntia) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, May 7, 2023
 Yellow flower of prickly pear cactus (Opuntia) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, May 7, 2023
 Young leaves of Carica papaya in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 17, 2009
 Yellow flower of pricly pear cactus (Opuntia) on Closed Trail in Lick Creek Park. College Station, Texas, May 4, 2024
 Yellow flowers of a cactus in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, July 31, 2009
 Yellow cactus flowers in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, September 8, 2011
 Yellow flowers on a cactus in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, September 8, 2011
 Flower buds on a cactus in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, March 26, 2009
 Lace cactus (Echinocereus reichenbachii) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 27, 2009
 Nipple cactus (Coryphantha) with fruits in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, June 12, 2008
 Slice of prickly pear (fruit of Opuntia) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from a supermarket. College Station, Texas, September 3, 2024
 Sotol remaining in Succulent and Cactus Garden in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, August 3, 2022
 Flower bud of prickly pears cactus (Opuntia) in Antique Rose Emporium. Independence, Texas, April 19, 2009
 Close-up of staminate flower of Chinese Pistache (Pistacia chinensis) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 10, 2009
 Vegetative shoot of prickly pears cactus (Opuntia) in Antique Rose Emporium. Independence, Texas, April 19, 2009
 Overgrown trial beds in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 9, 2018
 Overgrown Lily Pond in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 9, 2018
 Little quaking grass (Briza minor) taken from TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 4, 2018
 Section of prickly pear (cactus fruit) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from a supermarket. College Station, Texas, September 3, 2024
 Spiny evergreen plant sotol (Dasylirion) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 9, 2018
 Spiny evergreen plant sotol (Dasylirion) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 4, 2018
 Flowers of showy evening primrose (Oenothera speciosa) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 9, 2018
 Rapidly growing vegetative shoot of prickly pears cactus (Opuntia) in Antique Rose Emporium. Independence, Texas, April 19, 2009
 Details of a slice of prickly pear (cactus fruit) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from a supermarket. College Station, Texas, September 3, 2024
 Pads of prickly peas cactus (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 25, 2018
 Young leaves on desert oak in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, May 5, 2011
 Showy evening primrose (Oenothera speciosa) blooming near wooden fence in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 9, 2018
 Young leaves on an oak tree in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, March 17, 2009
 Young leaves of Carica papaya in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, May 5, 2010
 Young leaves of Chinese Pistache in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, May 21, 2012
 Young leaves of sassafras in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, March 26, 2009
 Prickly peas cactus (Opuntia) with yellow Senecio(?) flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 25, 2018
 Young leaves of a maple tree in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, March 24, 2009
 Catkins and young leaves on an oak tree in TAMU Horticultural Gardens in Texas A&M University. College Station, Texas, March 12, 2009
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