 Blooming Prickly pears (Opuntia) cactus in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 26, 2009
 Blooming prickly pear cactus (Opuntia engelmanii(?)) in Lick Creek Park. College Station, Texas, May 4, 2020
 Blooming prickly pears cactus (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 30, 2011
 Prickly pears (Opuntia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, August 3, 2022
 Prickly pears (Opuntia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 21, 2020
 Dried sap of prickly pears cactus (Opuntia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, May 8, 2009
 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
 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
 Fresh pads of prickly pears (Opuntia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 21, 2020
 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
 Yellow flowers of prickly pears (Opuntia) in Birch Creek Unit of Lake Somerville State Park, Texas, April 29, 2012
 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
 Young pad of prickly pears (Opuntia) in Antique Rose Emporium. Independence, Texas, March 31, 2020
 Prickly peas (Opuntia) cactus in Lick Creek Park. College Station, Texas, December 18, 2018
 Flower bud of prickly pears cactus (Opuntia) in Antique Rose Emporium. Independence, Texas, April 19, 2009
 Shoot of prickly pears cactus (Opuntia) in Antique Rose Emporium in Independence. Texas, March 22, 2009
 Flower of prickly pear cactus (Opuntia engelmanii(?)) in Lick Creek Park. College Station, Texas, May 4, 2020
 Yellow flower of prickly pear cactus (Opuntia) in Lick Creek Park. College Station, Texas, May 7, 2020
 Vegetative shoot of prickly pears cactus (Opuntia) in Antique Rose Emporium. Independence, Texas, April 19, 2009
 Yellow flower of prickly pear cactus (Opuntia engelmanii(?)) with a bee in Lick Creek Park. College Station, Texas, May 4, 2020
 Blooming prickly pear cactus (Opuntia) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, May 7, 2023
 Rapidly growing vegetative shoot of prickly pears cactus (Opuntia) in Antique Rose Emporium. Independence, Texas, April 19, 2009
 Snail feeding on a fresh young pad of prickly pears cactus (Opuntia) in Antique Rose Emporium. Independence, Texas, April 19, 2009
 Pad of prickly pears (Opuntia) with a bug in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 22, 2022
 Yellow flowers of prickly pears (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
 Dry pad skeleton of prickly pears cactus (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 13, 2020
 Skeleton of a dry pad of prickly pears cactus (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
 Skeleton of a dry pad of prickly pears cactus (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2020
 Rapidly growing vegetative shoot of prickly pears cactus (Opuntia) with fleshy, green, leaf-like phylloclades in Antique Rose Emporium. Independence, Texas, April 19, 2009
 Blooming prickly pear cactus (Opuntia) in Leach Teaching Gardens at Texas A and M University. College Station, Texas, April 28, 2024
 Prickly pears (Opuntia) on exposed limestone rocks near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 18, 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
 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
 Flower buds on a pad of prickly pear cactus (Opuntia) in Bastrop State Park. Bastrop, Texas, April 15, 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
 Green flower buds of prickly pear cactus (Opuntia) in Bastrop State Park. Bastrop, Texas, April 15, 2023
 Blooming Southern prickly-ash (Zanthoxylum clava-herculis) in Bee Creek Park. College Station, Texas, April 9, 2024
 Blooming redbud in Lick Creek Park. College Station, Texas, March 2, 2023
 Blooming iris near the entrance in Lick Creek Park. College Station, Texas, April 12, 2023
 Blooming possum-haw holly in Lick Creek Park. College Station, Texas, March 20, 2023
 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
 Pad decay fungus Aspergillus alliaceus(?) (black) on prickly pear cactus (Opuntia) on Kiwanis Nature Trail. College Station, Texas, December 20, 2017
 Blooming plantain Plantago virginica(?) in Lick Creek Park. College Station, Texas, March 23, 2023
 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
 Prickly peas (Opuntia) cactus at the entrance in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, December 3, 2021
 Emerging pad of prickly pear cactus (opuntia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 26, 2018
 Blooming Engelmann s hawthorn (Crataegus engelmannii) in Lick Creek Park. College Station, Texas, March 20, 2023
 Blooming bushes near Alum Creek from a sewage line right of way in Lick Creek Park. College Station, Texas, April 21, 2023
 Purplish pads of a prickly pear cactus (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 28, 2023
 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
 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
 Blooming Great Plains ragwort (Packera tampicana) in Lick Creek Park. College Station, Texas, March 27, 2023
 Blooming yucca in prairie near sewage treatment plant in Lick Creek Park. College Station, Texas, April 27, 2023
 Blooming late-flowering boneset (Eupatorium serotinum) in Lick Creek Park. College Station, Texas, September 13, 2023
 Blooming salt-marsh fleabane (Pluchea odorata) in Lick Creek Park. College Station, Texas, September 13, 2023
 Prickly pears near El Capitan Trail. Guadalupe Mountains National Park, Texas, December 27, 2007
 Younf leaf of prickly ash(?) in Bee Creek Park. College Station, Texas, March 24, 2023
 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
 Prickly pears and yucca near El Capitan Trail. Guadalupe Mountains National Park, Texas, December 27, 2007
 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
 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
 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
 Blooming Navasota ladies-tresses orchids (Spiranthes parksii) on Yaupon Loop Trail in Lick Creek Park. College Station, Texas, December 1, 2023
 Yellow flower of pricly pear cactus (Opuntia) on Closed Trail in Lick Creek Park. College Station, Texas, May 4, 2024
 El Capitan Mountain with prickly pears cactus in foreground, view from upper Roadside Park. Guadalupe Mountains National Park, Texas, December 28, 2007
 Winter rosette of white prickly poppy (Argemone albiflora) in Bee Creek Park. College Station, Texas, January 28, 2023
 Blooming summer-blooming thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, July 3, 2014
 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
 Shoot of greenbrier (prickly-ivy, smilax) in Lick Creek Park. College Station, Texas, May 10, 2012
 Purple spineless prickly pears cactus in Davis Mountains State Park. Fort Davis, Texas, December 29, 2007
 Prickly pears cactus near Fishing Beach. Sandy Hook, New Jersey, March 11, 2007
 Prickly pears (sabra) cactus on the roadside in Nizzanim. The Middle East, July 19, 2001
 Prickly pear cactus (Opuntia) in Dahl Al Hamam Park at Al Markhiya Street. Doha, Qatar, March 21, 2016
 Blooming Christmas cholla cactus (Tasajillo, Opuntia leptocaulis) in a ranch at 7278 Batts Ferry Road. College Station, Texas, August 1, 2014
 Young leaves of greenbrier (prickly-ivy, smilax) in Lick Creek Park. College Station, Texas, May 10, 2012
 Prickly shoot of dewberry (Rubus) in Lick Creek Park. College Station, Texas, March 29, 2009
 Back lit shoot of greenbrier (prickly-ivy, smilax) in Lick Creek Park. College Station, Texas, May 10, 2012
 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
 Prickly pears cactus (zoomed) near Fishing Beach. Sandy Hook, New Jersey, March 11, 2007
 Magenta tinged prickly pears cactus on northern hill in Davis Mountains State Park. Fort Davis, Texas, December 29, 2007
 Prickly seeds of Hedge Parsley (Torilis arvensis) in Lick Creek Park. College Station, Texas, May 19, 2014
 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
 Prickly pears cactus in snow near a road between White s City and Carlsbad Caverns. New Mexico, December 26, 2007
 Prickly flowers of Hooker s eryngo (Eryngium hookeri) in Lick Creek Park. College Station, Texas, July 3, 2014
 Prickly pears cactus on a small ridge near Juniper Canyon Trail south from Upper Juniper Spring. Big Bend National Park, Texas, November 22, 2007
 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
 Prickly pears cactus on East Trail in Lost Maples State Natural Area. Vanderpool, Texas, November 8, 2008
 Dark berries of greenbrier vine (prickly-ivy, smilax, sarsaparilla) taken from Lick Creek Park. College Station, Texas, November 1, 2012
 Close up of berries of greenbrier vine (prickly-ivy, smilax, sarsaparilla) in Lick Creek Park. College Station, Texas, November 6, 2012
 Spherical cluster of berries of greenbrier vine (prickly-ivy, smilax, sarsaparilla) in Lick Creek Park. College Station, Texas, November 6, 2012
 Clusters of dark berries of greenbrier vine (prickly-ivy, smilax, sarsaparilla) taken from Lick Creek Park. College Station, Texas, November 1, 2012
 Blooming bush of Lantana camara in Bee Creek Park. College Station, Texas, May 3, 2023
 Prickly pears cactus (known as sabra in Israel) in downtown Beer-Sheva, at intersection of Rager and Tuvyahu Street. The Middle East, February 18, 2000
 Prickly pears in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 16, 2011
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