 Queen Victoria Agave (Agave victoriae-reginae compact) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 7, 2009
 Queen Victoria Agave (Agave victoriae-reginae compact) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 21, 2009
 Queen Victoria Agave (Agave victoriae-reginae compact) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, August 4, 2011
 Green and white leaves of Variegated century plant (Agave angustifolia Marginata, Agave Maguey Lechugilla) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 21, 2009
 Green and white leaves of Variegated century plant (Agave angustifolia Marginata, Agave Maguey Lechugilla) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, February 4, 2009
 Cabbage head agave (Agave parrasana) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 21, 2009
 Leaves of Cabbage head agave (Agave parrasana) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, October 7, 2008
 Leaves of agave at sunrise in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 15, 2009
 Cabbage head agave (Agave parrasana) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, October 21, 2008
 Agave leaves in freeze in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 3, 2014
 Agave parviflora in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 21, 2009
 Cabbage agave in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 29, 2009
 Spreading crack on agave leaf in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 23, 2009
 McKelvey agave (thorn-crested agave, Agave univittata) in Leach Teaching Gardens at Texas A and M University. College Station, Texas, July 7, 2022
 Leaves of agave in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, July 14, 2008
 Leaves of agave in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, September 5, 2008
 Blooming agave in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, May 1, 2009
 Flower bud of agave in TAMU Horticultural Gardens in Texas A&M University. College Station, Texas, March 5, 2009
 Agave in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, August 4, 2011
 Old agave in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, July 24, 2018
 Agave(?) flowers in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, May 25, 2010
 Agave in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, August 21, 2008
 Agave in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, July 11, 2008
 White-lined sphinx moth (Hummingbird moth, Hyles lineata) with a narrow tan band and white streaks suspended in air in front of daffodils at dusk after sunset in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, February 12, 2009
 Agave at sunrise in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, August 21, 2008
 Agave with snow in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, December 10, 2008
 Small agave in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, July 24, 2018
 Yellow agave flowers in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, May 20, 2008
 Dying bloomed agave in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, November 24, 2010
 Spreading Mexican agave in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, July 24, 2013
 Emerging agave flower in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, December 27, 2008
 Dying Mexican agave in West Texas Garden in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, December 3, 2021
 Green and white cabbage leaves in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 27, 2009
 Pattern of leaves of Mexican agave in TAMU Holistic Garden in Texas A and M University. College Station, Texas, December 26, 2010
 Leaves of Mexican agave in Leach Teaching Gardens at Texas A and M University. College Station, Texas, June 5, 2022
 Dead leaves of agave after hard freeze in the Gardens at Texas A and M University. College Station, Texas, March 27, 2021
 Parry s agave (Agave parryi) in Mercer Arboretum and Botanical Gardens. Humble (Houston area), Texas, July 18, 2014
 Rosette of bluebonnet leaves in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 15, 2009
 Frozen rose leaves in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 30, 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
 Morning freeze on rose leaves in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 30, 2009
 Ice crystals on winter rosette leaves 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
 Morning freeze on bluebonnet leaves 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
 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
 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
 Morning freeze on edges of cabbage leaves in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 30, 2009
 Morning freeze on palmately compound lupin leaves in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 29, 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 rosette of leaves of sage (Salvia roemeriana) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 30, 2009
 Violet-veined white flowers of Erodium pelargoniflorum Sweetheart in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 21, 2009
 Tiny white flowers with cleft petals of common chickweed (Stellaria media) on a lawn in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 9, 2009
 Rosette of leaves of Color Guard Yucca (Yucca filamentosa) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 27, 2009
 Yucca filamentosa "Color Guard" (Variegated Adam s Needle) with yellow centered leaves which turn pink and coral in winter in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 30, 2009
 Leaf texture of Mexican agave in TAMU Holistic Garden in Texas A and M University. College Station, Texas, December 26, 2010
 Leaves of yucca(?) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, February 4, 2009
 Leaves of papaya(?) in dew in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, November 5, 2009
 Mexican agave (Agave americana) in a park at Al Rafiei Street in Onaiza area. Doha, Qatar, March 13, 2016
 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 sassafras in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, March 26, 2009
 Flower bud of white daisy in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, May 8, 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 Carica papaya in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 17, 2009
 Small white Cnidoscolus like flowers in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, May 25, 2009
 White and yellow iris flower in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 21, 2009
 White flowers on acacia like tree in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 28, 2009
 Small ornamental agave in Leach Teaching Gardens at Texas A and M University. College Station, Texas, April 10, 2022
 Mexican agave plant in Leach Teaching Gardens at Texas A and M University. College Station, Texas, June 5, 2022
 Agave lophantha Quadricolor in Leach Teaching Gardens at Texas A and M University. College Station, Texas, April 28, 2024
 Freeze on palmately compound leaves of bluebonnet (lupin) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, December 28, 2009
 White gaura flower (wild honeysuckle, bee blossom) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, May 5, 2009
 White flowers of Philadelphus X virginalis Natchez in dew in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, November 2, 2009
 White and green leaves of cassava Manihot esculenta Variegata in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, September 29, 2008
 White flowers of Confederate jasmine (Trachelospermum jasminoides) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 10, 2009
 White phenotype of cypress vine (Ipomoea quamoclit) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, October 20, 2009
 Pile of leaves in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 3, 2014
 Dry leaves in freeze in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 3, 2014
 Various leaves in freeze in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 3, 2014
 Green and white multicolored leaves of cassava Manihot esculenta Variegata in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, October 10, 2008
 Young leaves of Texas red oak (Quercus buckleyi) in TAMU Horticultural Gardens in Texas A&M University. College Station, Texas, March 6, 2009
 Rosette of leaves in freeze in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 3, 2014
 Dry fallen leaves in freeze in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 3, 2014
 Rosettes of leaves in freeze in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 3, 2014
 Pile of leaves in freeze in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 3, 2014
 Pile of dry leaves in freeze in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 3, 2014
 Small leaves in freeze in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 3, 2014
 White phenotype of redbud tree (Cercis siliquastrum Alba) in TAMU Horticultural Gardens in Texas A&M University. College Station, Texas, March 5, 2009
 Drooping of white pea-flowers of Black locust (Robinia pseudoacacia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, March 31, 2009
 White flowers of Wild Olive (Anacahuita, Cordia boissieri) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, July 23, 2009
 Ornamental cabbage in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 29, 2009
 Rosettes of bluebonnet leaves in freeze in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 3, 2014
 Frosted cabbage head 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
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