Untitled Document

The World List of Cycads
A Comprehensive Taxonomic Reference

Author(s) Year Title Publication Abstract
Abraham, A; Mathew, PM 1962 Cytological studies in the cycads: sex chromosomes in Cycas View in Oxford Journals Ann. Bot. (Oxford), n.s. 26(2): 261-266

[Abstract]
Abraham, A; Mathew, PM 1966 Cytology of Encephalartos hildebrandtii A.Br. & Bouche View in JSTOR Ann. Bot. (Oxford), n.s. 30(2): 239-241

[Abstract]
Ackery, PR; Nash, RJ; Bell, EA; Norstog, K 1993 Sequestration of MAM-Glycosides by insects Proc. Second Int. Conf. Cycad Biol. : 3-7

Acuña, RH 2010 A new species of Zamia (Zamiaceae) from Costa Rica [Zamia gomeziana] Brenesia 73-74: 29-33

[Abstract]
Acuña, RH; Gómez P., LD 2009 Selección de un lectotipo para Zamia fairchildiana L.D.Gómez (Zamiaceae) Brenesia 71-72: 65-66

[Abstract]
Acuña, RH; Marín-Méndez, WA 2012 Some aspects of the foliar anatomy of two Zamia species from Costa Rica: Z. fairchildiana L. D. Gómez and Z. neurophyllidia D. W. Stev. View in cabdirect Mem. New York Bot. Gard. 106: 192-203

[Abstract]
Agoo, EM; Madulid, DA 2012 Cycas sancti-lasallei (Cycadaceae), a new species from the Philippines View in External Website Blumea 57(2): 131-133

[Abstract]
Ahern, CP; Staff, IA 1994 Symbiosis in cycads: the origin and development of coralloid roots in Macrozamia communis (Cycadaceae) View in JSTOR Amer. J. Bot. 81(12): 1559-1570

[Abstract]
Aiton, W 1789 Palmae View in Biodiversity Heritage Library View in JSTOR Hort. Kew. (W. Aiton) 3: 473-479

Anderson, RC 2012 Growing Cycas cairnsiana in Arizona Cycad Newslett. 35(1): 16

Andersson, J 2010 An Encephalartos sclavoi travelogue Cycad Newslett. 33(2): 16-17

Applequist, WL 2012 Report of the Nomenclature Committee for Vascular Plants: 64 Taxon 61(5): 1108-1117

[Abstract]
Archangelsky, S; Brett, DW 1963 Studies on Triassic fossil plants from Argentina Ann. Bot. (Oxford), n.s. 27(1): 147-154

[Abstract]
Argyros, N 2008 Dioon tomasellii Cycad Newslett. 31(4): 10-12

Argyros, N 2010 Stangeria eriopus: Paradox - past and present Cycad Newslett. 33(1): 8-13

Argyros, N 2012 Cycas cairnsiana Cycad Newslett. 35(1): 10-15

Arnold, CA 1948 Classification of gynmosperms from the viewpoint of paleobotany View in JSTOR Bot. Gaz. 110: 2-12

[Abstract]
Arnold, CA 1953 Origin and relationships of the cycads Phytomorphology 3: 51-65

Artabe, AE; Stevenson, DW 1999 Fossil Cycadales of Argentina View in JSTOR Bot. Rev. (Lancaster) 65(3): 219-238

[Abstract]
Ascherson, PF; Koehne, E 1878 Bericht über die 28. (20 Frühjahrs-) Hauptversammlung des Botanischen Vereins der Provinz Brandenburg Verh. Bot. Vereins Prov. Brandenburg 20

Ash, SR 1991 A new pinnate cycad leaf from the Upper Triassic Chinle Formation of Arizona (USA) View in JSTOR Bot. Gaz. 152(3): 123-131

[Abstract]
Atwood, S 1936 The anomalous root structure of Cycas revoluta View in JSTOR Amer. J. Bot. 23: 336-340

[Abstract]
Audran, JC 1979 Microspores, pollen grains and tapetum ontogeny in Ceratozamia mexicana (Cycadaceae): an ultrastructural study. Phytomorphology 29(3-4): 350-362

[Abstract]
Avendaño, S; Vovides, A; Castillo-Campos, G 2003 A new species of Ceratozamia (Zamiaceae, Cycadales) from Veracruz, Mexico [Ceratozamia huastecorum] Bot. J. Linn. Soc. 141(3): 395-398

[Abstract]
Bailey, FM 1883 Bowenia spectabilis var. serrata Syn. Queensl. Fl. : 501

Bamps, PR; Lisowski, S 1990 A new species of Encephalartos (Zamiaceae) from Northeastern Zaire [Encephalartos ituriensis] Mem. New York Bot. Gard. 57: 152-155

[Abstract]
Banack, SA 2003 Distribution of the neurotoxic nonprotein amino acid BMAA in Cycas micronesica Bot. J. Linn. Soc. 143(2): 165-168

[Abstract]
Bancroft, N 1914 Pteridosperm anatomy and its relation to that of the cycads New Phytol. 13: 41-68

Beck, W 1993 Cycas use by Australian aboriginal people Proc. Second Int. Conf. Cycad Biol. : 8-15

Bell, EA 1993 From Lathyrus to Cycas: a search for dietary neurotoxins Proc. Second Int. Conf. Cycad Biol. : 16-18

Bhat, RB 1998 Medicinal plants of Transkei (South Africa) for the treatment of digestive tract disorders.

[Abstract]
Bogler, DJ; Francisco-Ortega, J 2004 Molecular systematic studies in cycads: evidence from trnL intron and ITS2 rDNA sequences. View in JSTOR Bot. Rev. (Lancaster) 70(2): 260-273

[Abstract]
Bonta, M 2003 Teocinte, "Ear of God" Cycad Newslett. 26(1): 7-12

Bonta, M 2007 Ethnobotany of Honduran cycads Mem. New York Bot. Gard. 97: 120-142

Bonta, M 2012 Cycads and human life cycles: Outline of a symbology View in cabdirect Mem. New York Bot. Gard. 106: 133-150

[Abstract]
Bonta, M; Osborne, R 2007 Cycads in the vernacular—a compendium of local names Mem. New York Bot. Gard. 97: 143-175

Bork, J 1990 Developmental cycles in shoot growth of male Cycas circinalis View in JSTOR Amer. J. Bot. 77(8): 981-985

[Abstract]
Borsboom, AC; Wang, J; Forster, PI 2015 Determining maturity and population structure in Macrozamia parcifolia (Zamiaceae), a threatened Australian cycad View in External Website View in CSIRO Publishing Austral. J. Bot.

[Abstract]
Braun, AK 1875 Die Frage nach der Gymnospermie der Cycadeen, erläutert durch die Stellung dieser Familie im Stufengang des Gewächsreichs View in Biodiversity Heritage Library Monatsber. Königl. Preuss. Akad. Wiss. Berlin : 289-377

Braun, AK; Bouché, CD 1874 Plantae novae a cl. Hildebrandt ex Africa orientali allatae, a. 1874 in horto Berolinensi cultae Index Seminum Hort. Bot. Berol. 1874 187

Breckon, GJ; Negrón-Ortiz, V 1993 Pollination of Zamia pumila by fungus gnats Amer. J. Bot. 70(5, part 2): 106-107

Brenner, ED; Stevenson, DW; Chiu, J; Runko, SJ; Palenchar, PM; Coruzzi, GM 2007 Defining the role of BMAA and its potential glutamate receptor targets in Arabidopsis thaliana and Cycas rumphii Mem. New York Bot. Gard. 97: 236-252

Brenner, ED; Stevenson, DW; Katari, MS; McCombie, RW; Rudd, SA; Runko, SJ; Marti 2007 Genomic studies in Cycas rumphii Miquel Mem. New York Bot. Gard. 97: 182-193

Britten, L; Brueckner, A; Christian, HB; Dyer, RA; Henderson, MD; Killick, DJB; 1954 Newly described species Bothalia 6(2): 415-454

Britton, NL 1907 Contributions to the flora of the Bahama Islands View in Biodiversity Heritage Library Bull. New York Bot. Gard. 5(18): 311-318

Britton, NL 1916 Studies of West Indian Plants. 51 undescribed species from the Isle of Pines, Cuba Bull. Torrey Bot. Club 43(9): 462-469

Brongniart, AT 1846 Sur un noveau genre de cycadées du Mexique Ann. Sci. Nat., Bot. ser. 3, 5: 5-9

Broome, T 2003 Cultivation of Ceratozamia hildae Cycad Newslett. 26(2): 10

Broome, T 2003 Cultivation of Dioon mejiae Cycad Newslett. 26(1): 6

Broome, T 2003 Growing Cycas panzhihuaensis in Florida Cycad Newslett. 26(4): 11

Broome, T 2004 Cultivating Bowenia in Central Florida Cycad Newslett. 27(4): 11-12

Broome, T 2004 Encephalartos ferox in Florida Cycad Newslett. 27(3): 10

Broome, T 2004 Growing Lepidozamia peroffskyana in Florida Cycad Newslett. 27(1): 13

Broome, T 2004 Growing Zamia splendens in Central Florida Cycad Newslett. 27(2): 12

Broome, T 2005 Cultivation of Zamia vazquezii and Z. fischeri Cycad Newslett. 28(3,4): 29

Broome, T 2005 Zamia pygmaea in Central Florida Cycad Newslett. 28(1): 10-11

Broome, T 2006 Cultivation of Ceratozamia kuesteriana Cycad Newslett. 29(2,3): 12

Broome, T 2006 Growing Cycas debaoensis in Central Florida Cycad Newslett. 29(1): 13

Broome, T 2006 Growing Macrozamia moorei in Central Florida Cycad Newslett. 29(2,3): 18

Broome, T 2006 Zamia muricata in Central Florida Cycad Newslett. 29(4): 11

Broome, T 2007 Cultivation of Cycas taitungensis in Central Florida Cycad Newslett. 30(3): 10

Broome, T 2007 Encephalartos turneri in Central Florida Cycad Newslett. 30(2): 14

Broome, T 2007 Growing Dioon merolae in Central Florida Cycad Newslett. 30(1): 10

Broome, T 2007 Growing Microcycas in Central Florida Cycad Newslett. 30(4): 21

Broome, T 2008 Growing Zamia floridana Cycad Newslett. 31(2,3): 10-11

Broome, T 2009 Growing Lepidozamia hopei in Florida Cycad Newslett. 32(4): 12

Broome, T 2009 Growing Zamia erosa and Z. pumila in central Florida Cycad Newslett. 32(2,3): 5-6

Broome, T 2010 Growing Encephalartos sclavoi in Central Florida Cycad Newslett. 33(2): 19

Broome, T 2010 Growing Stangeria eriopus in Central Florida Cycad Newslett. 33(1): 13

Broome, T 2012 Cultivating Ceratozamia microstrobila in Central Florida Cycad Newslett. 35(3): 20

Broome, T 2012 Cultivation of Dioon spinulosum in Florida Cycad Newslett. 35(2): 13

Broome, T 2013 Growing Zamia elegantissima in Florida Cycad Newslett. 35/36(4,1): 21

Broome, T; Nazor, C 2013 Cycas micholitzii and C. bifida - Two Cycas bamboo mimics of Southeast Asia Cycad Newslett. 36(2,3): 6-12

Brown, R 1810 Cycadeae Prodr. Fl. Nov. Holland. 1: 346-348

Brown, WH; Kienholz, JR 1925 Cycas chamberlainii, a new species Philipp. J. Sci. 26: 47-52

Bruant 0 View in Biodiversity Heritage Library Bull. Soc. Bot. France

Bruce, TA; Brueckner, A; Dyer, RA; Kies, P; Verdoorn, IC 1951 Newly described species Bothalia 6(1): 213-248

Bryan, GS 1936 Fascicled roots of Cycas revoluta View in JSTOR Amer. J. Bot. 23: 334-335

[Abstract]
Bryan, GS 1952 The cellular proembryo of Zamia and its cap cells View in JSTOR Amer. J. Bot. 39: 433-443

[Abstract]
Bryan, GS; Evans, RI 1956 Chromatin behavior in the developemnt and maturation of the egg nucleus of Zamia umbrosa View in JSTOR Amer. J. Bot. 43: 640-646

[Abstract]
Bryan, GS; Evans, RI 1957 Types of development from the central nucleus of Zamia umbrosa View in JSTOR Amer. J. Bot. 44: 404-415

[Abstract]
Bull, W 1878 Bowenia spectabilis var. serrulata Retail List [Bull] 143: 4

Bull, W 1881 Zamia prasina Retail List [Bull] : 20

Burbridge, AH; Whenlan, RJ 1982 Seed dispersal in a cycad, Macrozamia riedlei Austral. J. Ecol. 7(1): 63-67

[Abstract]
Burch, DG 1981 The propagation of cycads - a game for young people? Proc. Florida State Hort. Soc. 94: 216-218

Burtt Davy, J 1926 A manual of the flowering plants and ferns of the Transvaal with Swaziland, South Africa. Part I: Pteridophyta to Bombacaceae Man. Pl. Transvaal

Butt, LP 1993 The genus Cycas and cycad conservation in Australia guide lines Proc. Second Int. Conf. Cycad Biol. : 317-321

Byrne, M; James, SH 1991 Genetic diversity in the cycad Macrozamia riedlei Heredity 67(1): 35-40

[Abstract]
Byrne, M; James, SH 1993 Genetic diversity in the cycad Macrozamia riedlei Proc. Second Int. Conf. Cycad Biol. : 75-76

Byrne, M; Waycott, M; Hobbs, AA; James, SH 1997 Variation in ribosomal DNA within and between populations of Isotoma petraea and Macrozamia riedlei View in External Website Heredity 79: 573-583

[Abstract]
Caiola, MG 1975 A light and electron microscopic study of the blue-green algae growing in the coralloid roots of Encephalartos altensteinii and in culture View in External Website Phycologia 14(1): 25-33

[Abstract]
Calderón, E; Stevenson, DW 2003 Una nueva especie del género Zamia L. (Zamiaceae), de los Andes de Colombia y clave actualizada para las especies del género en Colombia Revista Acad. Colomb. Ci. Exact. 27(105): 485-490

[Abstract]
Caldwell, OW 1907 Microcycas calocoma View in JSTOR Bot. Gaz. 44: 118-141

[Abstract]
Caldwell, OW; Baker, CF 1907 The identity of Microcycas calocoma View in JSTOR Bot. Gaz. 43: 330-335

[Abstract]
Calonje, M 2007 History, growth rate and phenology of Microcycas calocoma in South Florida Cycad Newslett. 30(4): 20-21

Calonje, M 2007 Phenology of Dioon merolae Cycad Newslett. 30(1): 11

Calonje, M 2009 A new cliff-dwelling species of Zamia (Zamiaceae) from Belize [Zamia meermanii] View in External Website J. Bot. Res. Inst. Texas 3(1): 23-39

[Abstract]
Calonje, M 2011 Phenology of Cycas revoluta in South Florida Cycad Newslett. 34(2,3): 42-43

Calonje, M; Calonje, A 2005 Zamia encephalartoides in the Chicamocha canyon Cycad Newslett. 28(3,4): 8-11

Calonje, M; Calonje, C 2012 Phenology of Dioon spinulosum in South Florida Cycad Newslett. 35(2): 15

Calonje, M; Esquivel, HE; Morales, G; Mora-Lizcano, YA 2012 A new arborescent species of Zamia (Cycadales, Zamiaceae) from the department of Huila, eastern cordillera of Colombia [Zamia huilensis] Caldasia 34(2): 283-290

[Abstract]
Calonje, M; Esquivel, HE; Stevenson, DW; Calonje, C; Pava, D 2011 A new arborescent species of Zamia from the Central Cordillera of Tolima, Colombia (Cycadales, Zamiaceae), with comments on the Z. poeppigiana species complex [Zamia tolimensis] View in JSTOR Brittonia 63(4): 442-451

[Abstract]
Calonje, M; Meerman, J 2009 What is Zamia prasina (Zamiaceae: Cycadales)? View in External Website J. Bot. Res. Inst. Texas 3(1): 43-49

[Abstract]
Calonje, M; Meerman, J; Griffith, MP; Hoese, G 2009 A new species of Zamia (Zamiaceae) from the Maya Mountains of Belize [Zamia decumbens] View in Biodiversity Heritage Library J. Bot. Res. Inst. Texas 3(1): 31-41

[Abstract]
Calonje, M; Meerow, AW 2010 The typification of Zamia erosa and the priority of that name over Z. amblyphyllidia Taxon 59(2): 637-642

[Abstract]
Calonje, M; Meerow, AW; Knowles, L; Knowles, D; Griffith, MP; Nakamura, K; Franc 2013 Cycad biodiversity in the Bahamas Archipelago and conservation genetics of the threatened Zamia lucayana (Zamiaceae) View in Cambridge Journals Oryx 47(2): 190-198

[Abstract]
Calonje, M; Morales, G; López-Gallego, C; Roldán, FJ 2015 A taxonomic revision of Zamia montana and Zamia oligodonta, with notes on their conservation status View in Phytotaxa Phytotaxa 192(4): 279-289

[Abstract]
Calonje, M; Oviedo Prieto, R; Brull Puebla, G; Regalado, L 2016 Integrative taxonomy of Mexican cycads: biogeography, morphology and DNA barcoding corroborate a new sympatric species in Ceratozamia (Zamiaceae) View in Phytotaxa Phytotaxa 268(1): 25-45

[Abstract]
Calonje, M; Sennikov, A 2017 In the process of saving plant names from oblivion: The revised nomenclature of Ceratozamia fuscoviridis (Zamiaceae) Taxon 66(1): 158-164

[Abstract]
Calonje, M; Stevenson, DW; Calonje, C; Ramos, YA; Lindstrom, AJ 2010 A new species of Zamia from Choco, Colombia (Cycadales, Zamiaceae) [Zamia pyrophylla] View in JSTOR Brittonia 62(1): 80-85

[Abstract]
Calonje, M; Taylor, AS; Stevenson, DW; Holzman, G; Ramos, YA 2012 Zamia lindleyi: A misunderstood species from the highlands of Western Panama Mem. New York Bot. Gard. 106: 419-437

[Abstract]
Cameron, A 2009 Encephalartos kisambo in cultivation - Athi River, Kenya Cycad Newslett. 32(1): 17-18

Cameron, A 2010 Visiting Encephalartos kisambo in habitat Cycad Newslett. 33(4): 12-14

Capela, P 2007 In the field with Encephalartos turneri Cycad Newslett. 30(2): 12-13

Caputo, P; Cozzolino, S; Gaudio, L; Moretti, A; Stevenson, DW 1996 Karyology and phylogeny of some Mesoamerican species of Zamia (Zamiaceae). View in JSTOR Amer. J. Bot. 83(11): 1513-1520

[Abstract]
Caputo, P; Marquis, C; Wurtzel, T; Stevenson, DW; Wurtzel, ET 1993 Molecular biology in cycad systematics Proc. Second Int. Conf. Cycad Biol. : 213-219

Caputo, P; Stevenson, DW; Wurtzel, ET 1991 A phylogenetic analysis of American Zamiaceae (Cycadales) using chloroplast DNA restriction fragment length polymorphisms View in JSTOR Brittonia 43(3): 135-143

[Abstract]
Carabia, JP 1941 Contribuciones al estudio de la flora cubana. Gymnospermae Caribbean Forest. 2: 83-99

Cardini, F; Britton, G; Selva, A 1989 A seco-carotenoid from leaves of two cycads Phytochemistry 28(10): 2793-2795

[Abstract]
Cardini, F; Ginanneschi, M; Selva, A; Chelli, M 1987 Semi-ß-carotenone from leaves of two cycads Phytochemistry 26(7): 2029-2031

[Abstract]
Carpenter, RJ 1991 Macrozamia from the early tertiary of Tasmania and a study of the cuticles of extant species Austral. Syst. Bot. 4(2): 433-444

[Abstract]
Carruthers, W 1893 On Cycas taiwaniana sp. nov. and C. seemanii A. Br. J. Bot. 31: 1-3

Carson, JL; Wallace, JW 1972 The detection of C-glycosylflavones in Dioon spinulosum. Phytochemistry 11(2): 842-843

[Abstract]
Castillo-Guevara, C 2007 Herbivores and chemical defenses in cycads—an ecological and evolutionary approach Mem. New York Bot. Gard. 97: 87-103

Chadwick, CE 1993 The roles of Tranes lyterioides and T. sparsus Boh (col., Curculiodidae) ini the pollination of Macrozamia communis (Zamiaceae) Proc. Second Int. Conf. Cycad Biol. : 77-88

Chamberlain, CJ 1906 Preliminary note on Ceratozamia View in JSTOR Bot. Gaz. 43: 137

[Abstract]
Chamberlain, CJ 1906 The ovule and female gametophyte of Dioon View in JSTOR Bot. Gaz. 42: 321-358

[Abstract]
Chamberlain, CJ 1908 Report on Dioon and Ceratozamia Science 27: 333

Chamberlain, CJ 1909 Dioon spinulosum View in JSTOR Bot. Gaz. 48: 401-413

[Abstract]
Chamberlain, CJ 1909 Spermatogenesis in Dioon edule View in JSTOR Bot. Gaz. 47: 215-236

[Abstract]
Chamberlain, CJ 1910 Fertilization and embryogeny in Dioon edule. View in JSTOR Bot. Gaz. 50: 415-429

[Abstract]
Chamberlain, CJ 1911 The adult cycad trunk. View in JSTOR Bot. Gaz. 52: 81-104

[Abstract]
Chamberlain, CJ 1912 Morphology of Ceratozamia View in JSTOR Bot. Gaz. 53: 1-19

[Abstract]
Chamberlain, CJ 1912 Two species of Bowenia View in Biodiversity Heritage Library View in JSTOR Bot. Gaz. 54: 419-423

Chamberlain, CJ 1913 Macrozamia moorei, a connecting link between living and fossil cycads View in JSTOR Bot. Gaz. 55: 141-154

[Abstract]
Chamberlain, CJ 1916 Stangeria paradoxa View in JSTOR Bot. Gaz. 61: 353-372

[Abstract]
Chamberlain, CJ 1919 The Living Cycads View in Biodiversity Heritage Library Liv. Cycads

Chamberlain, CJ 1919 The Living cycads

Chamberlain, CJ 1920 The living cycads and the phylogeny of seed plants. View in JSTOR Amer. J. Bot. 7(4): 146-153

Chamberlain, CJ 1926 Hybrids in cycads View in JSTOR Bot. Gaz. 81: 401-418

Chamberlain, CJ 1926 Two new species of Zamia [Zamia monticola & Zamia sylvatica] View in JSTOR Bot. Gaz. 81(2): 218-227

Chamberlain, CJ 1935 Cycadophytes - Cycadales. IN: Gymnosperms: Structure and Evolution

Chang, DCN; Grobbelaar, N; Coetzee, J 1988 SEM observations on cycanobacteria-infected cycad coralloid roots S. African J. Bot. 54(5): 491-495

[Abstract]
Chaplot, BB; Jasrai, YT 2000 Differentiation of shoot buds in bulb-scale cultures of Cycas revoluta Thunb. Phytomorphology 50(1): 37-40

[Abstract]
Charltoon, TS; Marini, AM; Markey, SP; Norstog, K; Duncan, MW 1992 Quantification of the neurotoxin 2-amino-3-(methylamino)-propanoic acid (BMAA) in Cycadales Phytochemistry 31(10): 3429-3432

[Abstract]
Chaves, R; Ferrer, Y 2007 Some news of Microcycas in Cuba Cycad Newslett. 30(4): 10-14

Chávez González, AD; Rendón Aguilar, B; Luna José, AdL 2007 Ecología de Ceratozamia aff. robusta en la Sierra Madre del Sur de Oaxaca Mem. New York Bot. Gard. 97: 73-86

Chavez, VM 1993 Embriogenesis Somatica a Partir de Foliolos Jovenes de Plantas Maduras de Ceratozamia mexicana var. Robusta Miq. (Dyer) (Zamiaceae) - Especies en Peligro de Extinction

Chemnick, J 2003 Notes on Ceratozamia hildae Cycad Newslett. 26(2): 13

Chemnick, J 2004 Attempts at cultivation of Bowenia in Southern California Cycad Newslett. 27(4): 13

Chemnick, J 2004 Notes on Encephalartos ferox Cycad Newslett. 27(3): 8-9

Chemnick, J 2005 In the field with Ceratozamia euryphyllidia Cycad Newslett. 28(2): 10-13

Chemnick, J 2007 Seed dispersal agents of two Mexican cycads Mem. New York Bot. Gard. 97: 104-119

Chemnick, J 2012 Dioon spinulosum in Habitat Cycad Newslett. 35(2): 9-10

Chemnick, J 2014 The Kei River cycad… figuratively and literally Cycad Newslett. 37(1): 4-5

Chemnick, J; Gregory, TJ 1996 A new species of Ceratozamia (Zamiaceae) from Oaxaca, Mexico with comments on distribution, habitat, and relationships [Ceratozamia whitelockiana] View in Biodiversity Heritage Library Phytologia 79(1): 51-57

[Abstract]
Chemnick, J; Gregory, TJ; Salas-Morales, SH 1998 A revision of Dioon tomasellii (Zamiaceae) from western Mexico, a range extension of D. merolae, and clarification of D. purpusii View in Biodiversity Heritage Library Phytologia 83(1): 1-6

[Abstract]
Chemnick, J; Gregory, TJ; Salas-Morales, SH 1998 Ceratozamia mixeorum (Zamiaceae), a new species from Oaxaca, Mexico with comments on distribution, habitat, and species relationships View in Biodiversity Heritage Library Phytologia 83(1): 47-52

[Abstract]
Chemnick, J; Pérez-Farrera, MA 2007 Dioon merolae De Luca, Sabato & Vázquez-Torres - its history, ethnobotany and conservation Cycad Newslett. 30(2): 8-10

Chen, CJ; Liu, N 2004 New discoveries of cycads and advancement of conservation of cycads in China View in JSTOR Bot. Rev. (Lancaster) 70(1): 93-100

[Abstract]
Chen, CJ; Stevenson, DW 1999 “Cycadaceae,” in Flora of China eds C. Y. Wu and P. Raven (Beijing: Science Press/Saint Louis, MO: Missouri Botanical Garden Press) Fl. China 4: 1-7

Chirgwin, SK 1993 Studies of Cycas in Australia's Northern Territory Proc. Second Int. Conf. Cycad Biol. : 220-227

Chirgwin, SK; Wigston, D 1993 A new species of Cycas from the Northern Territory [Cycas conferta] J. Adelaide Bot. Gard. 15(2): 147-148

Choi, JS; Friedman, WE 1991 Development of the pollen tube of Zamia furfuracea (Zamiaceae) and its evolutionary implications. View in JSTOR Amer. J. Bot. 78(4): 544-560

[Abstract]
Chrysler, MA 1926 Vascular tissues of Microcycas calocoma. View in JSTOR Bot. Gaz. 82(3): 233-252

[Abstract]
Chrysler, MA 1937 Persistent juveniles among the cycads. View in JSTOR Bot. Gaz. 98(4): 696-710

[Abstract]
Claassen, I 2000 Focus on Encephalartos senticosus Encephalartos 63: 4-10

Clark, DA; Clark, DB 1987 Temporal and environmental patterns of reproduction in Zamia skinneri, a tropical rain forest cycad

[Abstract]
Clark, DA; Clark, DB 1988 Leaf production and the cost of reproduction in the neotropical rain forest cycad, Zamia skinneri

[Abstract]
Clark, DB; Clark, DA; Grayum, MH 1992 Leaf demography of a neotropical rain forest cycad, Zamia skinneri (Zamiaceae). View in JSTOR Amer. J. Bot. 79(1): 28-33

[Abstract]
Clark, P 2004 Stalking the elusive coonties of historic Cedar Key Cycad Newslett. 27(3): 12-14

Collins, M 19 Time for pollination and seed shed in cycads

Collins, M 1987 International protection of cycads Fairchild Trop. Gard. Bull. 42(3): 28-29

Connell, SW; Ladd, PG 1993 Comparative population biology of the Australian cycads Macrozamia riedlei and M. communis Proc. Second Int. Conf. Cycad Biol. : 89-95

Connell, SW; Ladd, PG 1993 Pollination biology of Macrozamia riedlei - The role of insects Proc. Second Int. Conf. Cycad Biol. : 96-102

Cook, OF; Collins, GN 1903 Economic plants of Porto Rico Contr. U.S. Natl. Herb. 8(2): 57-269

Coulter, JM 1909 Evolutionary tendences among Gymnosperms. Bot. Gaz. 48: 81-97

[Abstract]
Coulter, JM; Chamberlain, CJ 1903 The embryogeny of Zamia Bot. Gaz. 35: 184-193

Coulter, JM; Chrysler, MA 1904 Regeneration in Zamia. View in JSTOR Bot. Gaz. 38: 452-458

Cox, PA; Banack, SA; Murch, SJ 2007 Cyanobacteria, cycads, and the neurodegenerative disease among the Chamorro people of Guam Mem. New York Bot. Gard. 97: 253-285

Crouch, NR; Donaldson, J; Smith, GF; Symmonds, R; Dalzell, C; Scott-Shaw, C 2000 Ex situ conservation of Stangeria eriopus (Stangeriaceae) at the Durban Botanic Gardens, South Africa Encephalartos 63: 16-24

Daday, A; Smith, GD 1987 The hydrogenase-nitrogenase relationship in a symbiotic cycanobacterium isolated from Macrozamia communis L. Johnson Austral. J. Pl. Physiol. 14(3): 319-324

[Abstract]
Dalzell, C 2008 Encephalartos horridus in situ Cycad Newslett. 31(1): 8

Dammer, CL 1907 Cycadaceae. In: Ule, E. (ed.) II. Beiträge zur flora der hylaea nach den sammlungen von Ule’s Amazonas-expedition Verh. Bot. Vereins Prov. Brandenburg 48: 117-118

de Candolle, AL 1868 Cycadaceae Prodr. [A. P. de Candolle] 16(2): 522-548

de Jong, B 2011 (no title) Cycad Newslett. 34(2,3): 44

de Laubenfels, DJ 2007 Cycas truncata de Laub., a long-known but not validly described species Encephalartos 92: 17

de Laubenfels, DJ; Adema, F 1998 A taxonomic revision of the genera Cycas and Epicycas gen. nov. (Cycadaceae) Blumea 43(2): 351-400

[Abstract]
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[Abstract]
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[Abstract]
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Osborne, R 1986 Focus on Encephalartos woodii Encephalartos 5: 4-10

Osborne, R 1987 African cycads Fairchild Trop. Gard. Bull. 42(3): 14-16

Osborne, R 1987 Focus on Encephalartos ferox Encephalartos 9: 14-21

Osborne, R 1987 Focus on Encephalartos ghellinckii Encephalartos 12: 16-23

Osborne, R 1987 Focus on Encephalartos villosus Encephalartos 10: 16-23

Osborne, R 1988 Focus on Encephalartos barteri Encephalartos 14: 8-16

Osborne, R 1988 Focus on Encephalartos lanatus Encephalartos 16: 3-9

Osborne, R 1988 Focus on Encephalartos lebomboensis Encephalartos 15: 6-15

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[Abstract]
Osborne, R 1989 Focus on Encephalartos eugene-maraisii Encephalartos 17: 9-13

Osborne, R 1989 Focus on Encephalartos laevifolius Encephalartos 19: 2-8

Osborne, R 1989 Focus on Encephalartos transvenosus Encephalartos 20: 10-18

Osborne, R 1990 Focus on Encephalartos hildebrandtii Encephalartos 22: 6-12

Osborne, R 1990 Focus on Encephalartos umbeluziensis Encephalartos 21: 3-9

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[Abstract]
Osborne, R 1991 Focus on Encephalartos gratus Encephalartos 25: 4-9

Osborne, R 1991 Focus on Encephalartos paucidentatus Encephalartos 27: 3-9

Osborne, R 1992 Focus on Encephalartos inopinus Encephalartos 31: 4-8

Osborne, R 1993 A conservation strategy for the South African cycads Proc. Second Int. Conf. Cycad Biol. : 341-349

Osborne, R 1993 Focus on Encephalartos concinnus Encephalartos 34: 4-11

Osborne, R 1993 Focus on Encephalartos munchii Encephalartos 35: 4-9

Osborne, R 1993 Focus on Encephalartos trispinosus Encephalartos 33: 4-12

Osborne, R 1993 The cycad society of Southern Africa Proc. Second Int. Conf. Cycad Biol. : 350-351

Osborne, R 1994 Focus on Encephalartos manikensis Encephalartos 38: 4-11

Osborne, R 1997 Focus on Macrozamia moorei Encephalartos 49: 4-9

Osborne, R 1998 Focus on Macrozamia lucida Encephalartos 56: 4-9

Osborne, R 1999 Focus on Lepidozamia peroffskyana Encephalartos 58: 4-11

Osborne, R 1999 Focus on Macrozamia macdonnellii Encephalartos 59: 4-7

Osborne, R 2000 Focus on Lepidozamia hopei Encephalartos 64: 12-16

Osborne, R 2000 Focus on Macrozamia platyrachis Encephalartos 61: 4-8

Osborne, R 2002 Focus on - cycad fossils Encephalartos

[Abstract]
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Osborne, R 2005 Focus on Cycas tropophylla Encephalartos 82: 8-13

Osborne, R 2005 Focus on Dioon caputoi Encephalartos 83: 15-23

Osborne, R 2005 The enigmatic Encephalartos laurentianus Cycad Newslett. 28(3,4): 27-28

Osborne, R 2006 Focus on Macrozamia dyeri Encephalartos 88: 8-16

Osborne, R 2008 Some notes on Encephalartos horridus (Jacq.) Lehm. Cycad Newslett. 31(1): 8-9

Osborne, R 2011 Cycas revoluta - more names than any other cycad! Cycad Newslett. 34(2,3): 36

Osborne, R 2011 Focus on Cycas scratchleyana F.Muell. Encephalartos 103: 9-13

Osborne, R 2012 Taxonomy of Dioon spinulosum Dyer ex Eichler Cycad Newslett. 35(2): 8

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[Abstract]
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Osborne, R; Gregory, TJ 2009 Focus on Dioon merolae Encephalartos 97: 12-17

Osborne, R; Grobbelaar, N; Vincent, PLD 1993 A numerical phenetic study of the genus Encephalartos lehm Proc. Second Int. Conf. Cycad Biol. : 279-280

Osborne, R; Hill, KD; Nguyên, TH; Lôc, PK 2006 Focus on Cycas hoabinhensis Encephalartos 87: 9-13

Osborne, R; Nair, JJ 1993 Potential errors in the determination of methylazoxymethanol glycosides in plant material Proc. Second Int. Conf. Cycad Biol. : 57-60

Osborne, R; Nguyên, TH 2002 Focus on Cycas elongata Encephalartos 72: 4-9

Osborne, R; Nicolalde-Morejón, F; Vovides, A 2008 Focus on Zamia lacandona Encephalartos 94: 11-14

Osborne, R; Ottley, H; Randall, L 2007 Focus on Cycas calcicola Encephalartos 92: 10-16

Osborne, R; Pérez-Farrera, MA 2007 Focus on Ceratozamia norstogii Encephalartos 90: 13-15

Osborne, R; Randall, L 2007 Focus on Macrozamia concinna Encephalartos 89: 8-12

Osborne, R; Randall, L; Chemnick, J 2006 Focus on Macrozamia johnsonii Encephalartos 85: 9-180

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[Abstract]
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Osborne, R; Stevens, JF 1996 Epicuticular waxes and glaucousness of Encephalartos leaves. Phytochemistry 42(5): 1335-1339

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[Abstract]
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Osborne, R; Tomiyama, H 1995 Focus on Cycas revoluta Encephalartos 41: 5-15

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Osborne, R; Vovides, A 2007 Focus on Zamia inermis Encephalartos 91: 13-18

Osborne, R; Vovides, A 2010 Focus on Ceratozamia mexicana Encephalartos 100: 29-34

Osborne, R; Vovides, A 2010 Focus on Zamia loddigesii Encephalartos 99: 16-20

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