 Young golden barrel cactus (Echinocactus grusonii) in Antique Rose Emporium. Independence, Texas, July 2, 2022
 Golden Barrel Cactus (Echinocactus grusonii) on a lawn near back entrance of Texas A and M University in Education City campus. Doha, Qatar, March 26, 2014
 Top of golden barrel cactus (Echinocactus grusonii) in Antique Rose Emporium. Independence, Texas, March 2, 2020
 Golden barrel cactus (Echinocactus grusonii) in Antique Rose Emporium. Independence, Texas, April 4, 2022
 Golden barrel cactus (Echinocactus grusonii) in Antique Rose Emporium. Independence, Texas, August 10, 2019
 Golden barrel cactus (Echinocactus grusonii) in Antique Rose Emporium. Independence, Texas, July 27, 2019
 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
 Golden barrel cactus in Leach Teaching Gardens at Texas A and M University. College Station, Texas, April 10, 2022
 Lace cactus (Echinocereus reichenbachii) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 27, 2009
 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
 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
 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
 Flower buds on a cactus in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, March 26, 2009
 Yellow flowers of a cactus in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, July 31, 2009
 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
 Blooming Prickly pears (Opuntia) cactus in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 26, 2009
 Blooming Lace cactus (Echinocereus reichenbachii) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 26, 2009
 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
 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
 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
 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
 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
 Golden shower thryallis (Galphimia glauca) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, October 1, 2009
 Young leaves of sassafras in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, March 26, 2009
 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, April 17, 2009
 Catkins and young leaves on an oak tree in TAMU Horticultural Gardens in Texas A&M University. College Station, Texas, March 12, 2009
 Young leaves of a maple tree in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, March 24, 2009
 Young leaves of Texas red oak (Quercus buckleyi) in TAMU Horticultural Gardens in Texas A&M University. College Station, Texas, March 6, 2009
 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
 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
 Lace cactus in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 14, 2008
 Cabbage agave in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 29, 2009
 Ornamental cabbage in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 29, 2009
 Agave parviflora in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 21, 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
 Ice plant (Aptenia cordifolia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 3, 2009
 Pansy (violets) with ice crystals in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 21, 2009
 Frozen rose leaves in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 30, 2009
 Morning freeze on grasses in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 29, 2009
 Frost on cabbage head in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 21, 2009
 Morning freeze on clover in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 29, 2009
 Blue cabbage head in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 29, 2009
 Frosted cabbage head in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 29, 2009
 Frozen cabbage head in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 21, 2009
 Winter rosette of leaves in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 30, 2009
 Rosette of bluebonnet leaves in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 7, 2009
 Frost on cabbage leaves in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 21, 2009
 Leaves of agave at sunrise in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 15, 2009
 Rosette of bluebonnet leaves in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 15, 2009
 Sprout of prickly pears cactus (opuntia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, May 6, 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
 Nipple cactus (Coryphantha) with fruits in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, June 12, 2008
 Purple flower of lace cactus in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 14, 2008
 Green and white cabbage leaves in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 27, 2009
 Frosted cabbage head with ice crystals in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 29, 2009
 Morning frost on cabbage head in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 21, 2009
 Frost and ice crystals on cabbage leaves in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 21, 2009
 Red berries on a bush of rose family in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 9, 2009
 Spreading crack on agave leaf in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 23, 2009
 Flower of pansy (Viola tricolor) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 23, 2009
 Pink flowers of milfoil (millefolium) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 23, 2009
 Ice crystals on winter rosette leaves in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 21, 2009
 Frosted cabbage head at morning in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 29, 2009
 Close-up of ice crystals on a cabbage leaf in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 29, 2009
 Morning freeze on sage(?) flower in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 29, 2009
 Morning freeze on rose leaves in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 30, 2009
 Morning freeze on bluebonnet leaves in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 29, 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
 Prickly peas (Opuntia) cactus at the entrance in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, December 3, 2021
 Sotol remaining in Succulent and Cactus Garden in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, August 3, 2022
 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
 Emerging pad of prickly pear cactus (opuntia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 26, 2018
 Pad of pricly pears (opuntia) cactus with snow in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, December 10, 2008
 Ice crystals on palmately compound bluebonnet leaves in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 29, 2009
 Morning freeze on a winter rosette of leaves in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 30, 2009
 Frosted yellow and green cabbage head in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 29, 2009
 Morning freeze on edges of cabbage leaves in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 30, 2009
 Frost on rainbow chard (beet) leaves in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 21, 2009
 Frosted rainbow chard (beet) leaves in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 29, 2009
 Morning freeze on yellow violet flower in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 29, 2009
 Opening flowers of sow thistle (Sonchus oleraceus) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 24, 2009
 Goldfish died from cold in aquatic garden of TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 3, 2009
 Morning freeze on grape hyacinth (Muscari) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 29, 2009
 Morning freeze on rosette of bluebonnet leaves in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 29, 2009
 Morning freeze on yellow viola flowers in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 29, 2009
 Morning freeze on skullcap (scutellaria ovata) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 29, 2009
 Curly-leafed cabbage (ornamental kale) in frost in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 29, 2009
 Spring beauty flowers (Claytonia virginica) on a lawn in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 3, 2009
 Violet flowers of Wright s vervain (Verbena wrightii)(?) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 9, 2009
 Frost on leaves of rosette of skullcap (scutellaria ovata) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 21, 2009
 Morning freeze on palmately compound lupin leaves in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 29, 2009
 Little Yellow butterfly (Eurema lisa) on a flower of common dandelion in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 9, 2009
 Fire ants on a flower of common dandelion (Taraxacum officinale) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 9, 2009
 Purple flowers of Violet wood sorrel (shamrock, Oxalis) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 9, 2009
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