500 Cacti (species and varities in cultivation), Ken Preston, Mafham Firefly Books, 2007
10,000 Miles Hunting Cactus in Texas, Ed Maddox, 1984
A Field Guide to Cacti and Succulents of Arizona, Rob Romero, Gregg Starr, Von Watkins, Tucson Cactus and Succulent Society, 2015
A Gallery of Agaves (Including Varigates), John Pilbeam, British Cactus and Succulent Society, 2013
Adenium, Mark Dimmitt, Gene Joseph, David Palzkill, Arizona Lithographs, 2009
Agaves, Living Sculptures, Greg Starr, Timber Press, 2012
Aloes A Definitive Guide, S. Carter, J.J. Lavranos, L.E. Newton, C.C. Walker, Royal Botanical Gardens, Kew, 2011
Aloes and Agaves in Cultivation, Jeff Moore, 2016
Australian Ant Plants, Attilla Kapitany
Australian Bottle Trees and Boabs, Attilla Kapitany
Australian Gymea and Spear Lilies, Attilla Kapitany
Australian Native Bulbs, Attilla Kapitany
Australian Pigface and Pigweed, Attilla Kapitany
Australian Succulent Orchids, Attilla Kapitany
Australian Wierd and Wonderful Wattles, Attilla Kapitany
Cacti, Sir Oliver Leese, Triune Books, 1973
Cacti and Succulents, Adnar Mohieldin
Cacti and Succulents, A Practical Handbook, Walther Hagge, E.P. Dutton & Co., 1963
Cacti and Succulents for Cold Cilmates, Leo J. Chance, Timber Press, 2012
Cacti in Brazil, Konrad Herm, Andreas Hofacker, Graham Charles, Werner van Heek, Bernard Bohle, Dr. Willi Strecker, Gerhard Hieman, Peter Naber
Cacti of Texas, A Field Guide, A. Michael Powell, James F. Weedin, Shirley A. Powell,Texas Tech University Press, 2008
Cacti of Texas In Their Natural Habitat, Gertrude and Ad Konings, Chiclid Press, 2009
Cactus & Co. – Volume 13, #2
Cactus & Co. – Volume 13, #3
Cactus & Co. – Volume 13, #4
Cactus & Co. – Volume 14, #1
Cactus and Other Succulent Plants, H.M. Roan,The National Cactus and Succulent Society, 1951
Catalogo de Cactaceas Mexicanas, Ulises Guzman, Salvador Arias, Patricia Davila, Universidad Nacional Autonoma de Mexico, 2003
Cites Aloe and Pachypodium Checklist, Leonard E. Newton, Gordon D. Rowley, Chromwell Press, 2001
Copiapoa 2006, Rudolf Schulz, Schulz Publishing, 2006
Coryphantha Cacti of Mexico and Southern U.S., R.F. Dicht, A.D. Luthy, Springer, 2005
Die Cactaceae – Band IV Ceroideae, Curt Backeberg, Veb Gustav Fischer Verlag Jena, 1968
Das Kakteen Lexikon, Curt Backeburg, Veb Gustav Fischer Verlag Jena, 1970
Endangered and Threatened Plants of the United States, Edward Ayensu and Robert A. DeFilipps, Smithsonian Institute, 1978
Epiphyllum Handbook, Scott E. Haselton, Abby Garden Press, 1951
Epithelantha 2011, David Donati, Carlo Zanovello, Cactus Trentino - Sudtiroa
Eriosyce, The Genus Revised and Amplified, Fred Katterman, David Hunt, 1994
Exotic Cacti, Peter Chapman & Margaret Martin, H.P. Books, 1989
Ferocactus, John Pilbeam and Derek Bowdery, British Cactus & Succulent Society, 2005
Growing the Mesembs, Ed Storms, Tarrant Printing, 1976
Gymnocalycium in Habitat and in Culture, Graham Charles, Butler Tanner & Dennis Frome, 2009
Haworthia For the Collector, Rudolf Schulz, Schulz Publishing, 2009
Haworthia Handbook, M.B. Bayer, National Botanic Garden of South Africa, 1976
Haworthia Review 1946-1948, Harry Mays, 1998
Haworthia Revisited, Bruce Bayer, Umdaus Press, 1999
Kakteen, Willy Cullmann, Verlag Eugen Ulmer, 1972
List of South African Succulent Plants, Umdaus Press, 1997
Lithops, Flowering Stones, Desmond T Cole & Naureen A. Cole, Cactus & co., 2005
Melocactus of Cuba, Zoltan Rigerszki, Gerard Delanoy, Endre Ujreti, Anselme Vilardebo, Cactus & Co., 2007
Mountain Highlands And Desert Seas, Frederick R. Gehlbach, Texas A&M Press, 1981
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Namibia (travel guide), Chris McIntyre, Bradt Travel Guides Ltd.
Pachyforms, Aguide to Growing Pachycaul and Caudiciform Plants, Philippe de Vosjoli, Advanced Visions Inc., 2009
Pachyforms Vol. II, Bonsai Succulents, Phillippe De Vosjoli & Rudy Lime, Advanced Visions Inc., 2007
Pilosocereus, The Genus in Brazil, Daniela C. Zappi, Royal Botanic Gardens, Kew, 1994
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Stapeliads, John Pilbeam, The British Cactus and Succulent Society, 2010
Stapeliads of South Africa and Madagascar, Volume I, Peter V. Bruyns, Umdaus Press, 2005
Stapeliae, N.E. Brown, International Asclepiad Society, 1990
Succulent Euphorbiaceae of India, Meena Singh, Rosha Design Studio, 1994
Succulent Plants, H. Jacobsen, Williams and Norgate Ltd., 1935
Succulents, A Glossary of Terms and Descriptions, R.B. Ivimy-Cook, National Cactus & Succulent Society, 1974
Succulents and Cactus, A Sunset Book, Lane Books, 1974
Succulents Nature's Sculptural Wonders, Bela Kalman and Steve Hammer, Rizzoli International Publications, Inc., 2001
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The Book of Cacti and Other Succulents, Claude Chidamian, Doubleday & Company, 1958
The Cactaceae, Volumes I & II, N. L. Britton & J. N. Rose, Dover Publications, 1963
The Cactaceae, Volumes III & IV, N. L. Britton & J. N. Rose, Dover Publications, 1963
The Cactus Club Killings (novel), Nathan Walpow, A Dell Book, 1999
The Illustrated Encyclopedia of Cacti, Clive Innes & Charles Glass, Chartwell Books, Inc., 2001
The Illustrated Reference on Cacti & Other Succulents Vol. Two, Edgar and Brian Lamb, Blanford Press, 1978
The New Cactus Lexicon (2 Volumes, Text & Atlas), David Hunt, DH Books, 2006
The Organ Pipe Cactus, David Yetman, The University of Arizona Press, 2006
The Remarkable Baobab, Thomas Parkenham, WW Norton & Company, 2004
The Roots of My Obsession, Thomas C. Cooper, Timber Press
The Splendid Sansevieria, B. Juan Chahinian, I. Botanica I, 2005
The Timberpress Guide to Succulent Plants of the World, Fred Dortort, Timberpress, 2011
Thelocactus, John Pilbeam, The Cactus File Handbook, Ciro Publishing Services Ltd.
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Welwitschia Mirabilis, Ernst Van Jaarsveld & Uschi Pond, Penrock Publications, 2013
Wildflowers of the Big Bend Country, Barton H. Warnock, Sul Ross State University, 1970