 Pad decay fungus Aspergillus alliaceus(?) (black) on prickly pear cactus (Opuntia) on Kiwanis Nature Trail. College Station, Texas, December 20, 2017
 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
 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
 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
 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
 Yellow flower of prickly pear cactus (Opuntia engelmanii(?)) with a bee in Lick Creek Park. College Station, Texas, May 4, 2020
 Emerging pad of prickly pear cactus (opuntia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 26, 2018
 Blooming prickly pear cactus (Opuntia) in Leach Teaching Gardens at Texas A and M University. College Station, Texas, April 28, 2024
 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
 Close up of a tender young 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 (opuntia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, March 31, 2009
 Orange flowers of Prickly pear cactus (Opuntia) on Savanna Meadow Trail in Ladybird Johnson Wildflower Center. Austin, Texas, May 10, 2009
 Yellow flowers of Prickly pear cactus (Opuntia) on Savanna Meadow Trail in Ladybird Johnson Wildflower Center. Austin, Texas, May 10, 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
 Prickly pear cactus (Opuntia) on Moore s Hill Outcrop at FM Road 3090 near Navasota. Texas, April 21, 2018
 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
 Tender young pads or nopalitos of prickly pear cactus (Opuntia) in Antique Rose Emporium. Independence, Texas, May 13, 2012
 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
 Prickly peas (Opuntia) cactus in Lick Creek Park. College Station, Texas, December 18, 2018
 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
 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
 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
 Young pads of prickly pear cactus (Opuntia) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
 Flower buds on a pad of prickly pear cactus (Opuntia) in Bastrop State Park. Bastrop, Texas, April 15, 2023
 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
 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
 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
 Texture of a pad skeleton of prickly pear cactus (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
 Vegetative shoot of prickly pear cactus (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
 Pear-shaped puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on Kiwanis Nature Trail. College Station, Texas, December 25, 2017
 Close up of pear-shaped puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) 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
 Yellow flower of pricly pear cactus (Opuntia) on Closed Trail in Lick Creek Park. College Station, Texas, May 4, 2024
 Pear-shaped puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on a fallen tree on Kiwanis Nature Trail. College Station, Texas, December 20, 2017
 Pear-shaped puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) on rotten wood on Kiwanis Nature Trail. College Station, Texas, December 20, 2017
 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
 Prickly peas (Opuntia) cactus at the entrance in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, December 3, 2021
 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
 Black dots of Ascomycota fungi on a bamboo stem on Kiwanis Nature Trail. College Station, Texas, December 7, 2017
 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
 Crust fungus on Kiwanis Nature Trail. College Station, Texas, December 7, 2017
 Hydnoid fungus on a log on Kiwanis Nature Trail. College Station, Texas, December 7, 2017
 Close-up of jelly mushrooms Dacrymyces(?) on black Sordariomycetes crust fungus on rotting oak wood on Kiwanis Nature Trail. College Station, Texas, December 14, 2021
 Poroid fungus on a stump on Kiwanis Nature Trail. College Station, Texas, December 7, 2017
 Pink poroid fungus on Kiwanis Nature Trail. College Station, Texas, December 7, 2017
 Brown hydnoid fungus on a log on Kiwanis Nature Trail. College Station, Texas, December 7, 2017
 Phlebia subochracea crust fungus on Kiwanis Nature Trail. College Station, Texas, December 1, 2017
 Phlebia subochracea crust fungus on a wet log on Kiwanis Nature Trail. College Station, Texas, December 1, 2017
 Crust fungus on rotten wood of an oak on Kiwanis Nature Trail. College Station, Texas, December 7, 2017
 Texture of a poroid fungus on a stump on Kiwanis Nature Trail. College Station, Texas, December 7, 2017
 Phlebia subochracea corticioid fungus on Kiwanis Nature Trail. College Station, Texas, December 1, 2017
 Bright orange poroid fungus on Kiwanis Nature Trail. College Station, Texas, December 7, 2017
 Pink poroid fungus on a tree on Kiwanis Nature Trail. College Station, Texas, December 7, 2017
 Dwarf rosette lichen Physcia neogaea on a dry pad of prickly pear cactus in prairie in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 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
 Texture of Phlebia subochracea crust fungus on Kiwanis Nature Trail. College Station, Texas, December 1, 2017
 Details of Phlebia subochracea corticioid fungus on Kiwanis Nature Trail. College Station, Texas, December 1, 2017
 Close up of Phlebia subochracea corticioid fungus on Kiwanis Nature Trail. College Station, Texas, December 1, 2017
 Some brown porous crust fungus Phellinus (?) on Kiwanis Nature Trail. College Station, Texas, December 16, 2017
 Crust fungus Biscogniauxia atropunctata (Hypoxylon atropunctatum) on a dry oak on Kiwanis Nature Trail. College Station, Texas, December 7, 2017
 Texture of a hydnoid fungus at the base of a rotten oak tree on Kiwanis Nature Trail. College Station, Texas, December 7, 2017
 Close up of a brown porous crust fungus Phellinus (?) on Kiwanis Nature Trail. College Station, Texas, December 16, 2017
 Light brown crust fungus on rotting bamboo on Kiwanis Nature Trail. College Station, Texas, December 7, 2017
 Pads of prickly pear cactus on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 27, 2013
 Slender orange-bush lichen (Teloschistes exilis) together with Parmotrema and Physcia on an old pad of prickly pear cactus in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
 Tiny spikes of a hydnoid fungus at the base of a rotten oak tree on Kiwanis Nature Trail. College Station, Texas, December 7, 2017
 Brown porous crust fungus Phellinus (?) on a rotten tree on Kiwanis Nature Trail. College Station, Texas, December 16, 2017
 Brown porous crust fungus Phellinus (?) on a fallen oak tree on Kiwanis Nature Trail. College Station, Texas, December 16, 2017
 Brown corticioid polypore fungus Perenniporia tenuis(?) on an oak branch on Kiwanis Nature Trail. College Station, Texas, December 7, 2017
 Prickly pear (Opuntia) pad in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
 Brown corticioid polypore fungus Perenniporia tenuis(?) with lichens on an oak branch on Kiwanis Nature Trail. College Station, Texas, December 7, 2017
 Close up of brown corticioid polypore fungus Perenniporia tenuis(?) on an oak branch on Kiwanis Nature Trail. College Station, Texas, December 7, 2017
 Ceramic parchment fungus (Xylobolus frustulatus)(?) on a barkless stump of red cedar on Kiwanis Nature Trail. College Station, Texas, December 7, 2017
 New growth of prickly pears cactus (Opuntia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, May 1, 2009
 Sprout of prickly pears cactus (opuntia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, May 6, 2008
 Dried sap of prickly pears cactus (Opuntia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, May 8, 2009
 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
 Blooming Prickly pears (Opuntia) cactus in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 26, 2009
 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
 Violet crust fungus Phlebiopsis crassa (Porostereum crassum) spreading on a fallen branch of an oak on Kiwanis Nature Trail. College Station, Texas, December 7, 2017
 Violet crust fungus Phlebiopsis crassa (Porostereum crassum) on a fallen tree branch on Kiwanis Nature Trail. College Station, Texas, December 7, 2017
 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
 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
 Brown patches of corticioid fungus Virgariella (anamorph of Hypoxylon fuscum complex) on a small dry tree on Kiwanis Nature Trail. College Station, Texas, December 10, 2017
 Close up of violet crust fungus Phlebiopsis crassa (Porostereum crassum) on a fallen tree branch on Kiwanis Nature Trail. College Station, Texas, December 7, 2017
 Spreading yellow tooth fungus Hydnophlebia chrysorhiza (Phanerochaete chrysorhiza) on a wet log on Kiwanis Nature Trail. College Station, Texas, December 1, 2017
 Spreading yellow tooth fungus Hydnophlebia chrysorhiza (Phanerochaete chrysorhiza) on Kiwanis Nature Trail. College Station, Texas, December 1, 2017
 Bright orange crust fungus Hydnophlebia chrysorhiza (Phanerochaete chrysorhiza) on Kiwanis Nature Trail. College Station, Texas, December 1, 2017
 Black Ascomycota fungus and skin of giant cane under a microscope, collected on Kiwanis Nature Trail. College Station, Texas, April 1, 2022
 Spreading yellow tooth fungus Hydnophlebia chrysorhiza (Phanerochaete chrysorhiza) with a white margin on Kiwanis Nature Trail. College Station, Texas, December 1, 2017
 Black Ascomycota fungus on a stem joint of giant cane (Arundinaria gigantea) on Kiwanis Nature Trail. College Station, Texas, April 29, 2020
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