Cacti of Texas, a Field Guide, Powell, Weedin and Powell, Texas Tech University Press,
2009
Texas Cacti, Loflin, Brian and Shirley, Texas A &M University Press, 2009
Cacti of Texas and Neighboring States: A Field Guide, Weninger, University of Texas Press, 1984
Common Woody Plants and Cacti of South Texas, Taylor, UT Press, 2014
Agaves, Yucca and Their Kin, Seven Genera of the Southwest, Hawker, TTU Press, 2016