World List of Cycads

Cycad Literature Database

Author(s)	Year	Title	Publication	Abstract
Abraham, A; Mathew, PM	1962	Cytological studies in the cycads: sex chromosomes in Cycas	Ann. Bot. (Oxford), n.s. 26(2): 261-266
Abraham, A; Mathew, PM	1966	Cytology of Encephalartos hildebrandtii A.Br. & Bouche	Ann. Bot. (Oxford), n.s. 30(2): 239-241
Ackery, PR; Nash, RJ; Bell, EA; Norstog, K	1993	Sequestration of MAM-Glycosides by insects	Proc. Second Int. Conf. Cycad Biol. : 3-7
Acuna-Castillo, RH; Marin-Mendez, W	2013	Comparative anatomy of leaflets of Zamia acuminata and Z. pseudomonticola (Zamiaceae) in Costa Rica	Rev Biol Trop 61(2): 539-46	[Abstract]
Acuna-Castillo, 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.	Mem. New York Bot. Gard. 106: 192-203
Agoo, EM; Madulid, DA	2012	Cycas sancti-lasallei (Cycadaceae), a new species from the Philippines	Blumea - Biodiversity, Evolution and Biogeography of Plants 57(2): 131-133	[Abstract]
Agoo, EM; Madulid, DA	2012	Cycas sancti-lasallei (Cycadaceae), a new species from the Philippines	Blumea 57(2): 131-133	[Abstract]
Aguirre-Fey, D	2004	Demografía y Genética de Poblaciones de Zamia loddigesii Miq. (Zamiaceae) en el Centro de Veracruz, México	Facultad de Biología : 69
Ahern, CP; Staff, IA	1994	Symbiosis in cycads: the origin and development of coralloid roots in Macrozamia communis (Cycadaceae)	Amer. J. Bot. 81(12): 1559-1570
Aimee Caye, GC; Tao, C; Nan, L; Jun, D	2019	Perspectives on Endosymbiosis in Coralloid Roots: Association of Cycads and Cyanobacteria	Frontiers in Microbiology 10	[Abstract]
Aiton, W	1789	Palmae	Hort. Kew. (W. Aiton) 3: 473-479
Albretsen, JC; Khan, SA; Richardson, JA	1998	Cycad palm toxicosis in dogs: 60 cases (1987-1997)	J Am Vet Med Assoc 213(1): 99-101	[Abstract]
Alvarez-Quinto, RA; Lockhart, BEL; Fetzer, JL; Olszewski, NE	2020	Genomic characterization of cycad leaf necrosis virus, the first badnavirus identified in a gymnosperm	Archives of Virology: Official Journal of the Virology Division of the Internati 165(7): 1671	[Abstract]
Anderson, RC	2012	Growing Cycas cairnsiana in Arizona	Cycad Newslett. 35(1): 16
Applequist, WL	2012	Report of the Nomenclature Committee for Vascular Plants: 64	Taxon 61(5): 1108-1117
Archangelsky, S; Brett, DW	1963	Studies on Triassic fossil plants from Argentina	Ann. Bot. (Oxford), n.s. 27(1): 147-154
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	1953	Origin and relationships of the cycads	Phytomorphology 3: 51-65
Artabe, AE	1999	A new Cycad stem from the Upper Cretaceous of Patagonia, Argentina	Boletim Simposio sobre Cretaceo Brasil 5: 309-313	[Abstract]
Artabe, AE; Stevenson, DW	1999	Fossil Cycadales of Argentina	Bot. Rev. (Lancaster) 65(3): 219-238
Ash, SR	1979	Cycads of the Chinle Formation (Upper Triassic), southwestern United States; a summary	Series Botanical Soc. America 157: 30
Ash, SR	1991	A new pinnate cycad leaf from the Upper Triassic Chinle Formation of Arizona (USA)	Bot. Gaz. 152(3): 123-131
Atwood, S	1936	The anomalous root structure of Cycas revoluta	Amer. J. Bot. 23: 336-340
Avendaño, S; Vovides, AP; Castillo-Campos, G	2003	A new species of Ceratozamia (Zamiaceae, Cycadales) from Veracruz, Mexico [Ceratozamia huastecorum]	Bot. J. Linn. Soc. 141(3): 395-398
Balick, MJ; Atha, D E	2000	Cycadophyta. In: Checklist of the vascular plants of Belize, with common names and uses	Memoirs of The New York Botanical Garden 85: 49
Bamigboye, SO; Tshisikhawe, MP	2020	The impacts of bark harvesting on a population of encephalartos transvenosus (Limpopo cycad), in Limpopo province, South Africa	Biodiversitas 21(1): 8-13
Bamigboye, SO; Tshisikhawe, MP; Taylor, PJ	2016	Revisión del riesgo de extinción de las Cícadas Africanas / Review of extinction risk in African Cycads	Phyton (Buenos Aires) 85(2): 333-336	[Abstract]
Bamps, PR; Lisowski, S	1990	A new species of Encephalartos (Zamiaceae) from Northeastern Zaire [Encephalartos ituriensis]	Mem. New York Bot. Gard. 57: 152-155
Banack, SA; Cox, PA	2003	Biomagnification of cycad neurotoxins in flying foxes: implications for ALS-PDC in Guam	Neurology 61(3): 387-9	[Abstract]
Banack, SA; Cox, PA	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
Bank, H van der; Wink, M; Vorster, PJ; Treutlein, J; Brand, L; Bank, M van der;	2001	Allozyme and DNA sequence comparisons of nine species of Encephalartos (Zamiaceae)	Biochem Syst Ecol 29(3): 241-266	[Abstract]
Baulina, O	2003	Atypical cell forms overproducing extracellular substances in populations of cycad cyanobionts	Microbiology 72(6): 701-712	[Abstract]
Beck, W	1992	Aboriginal preparation of Cycas seeds in Australia	Economic Botany 46: 133-147
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
Bogler, DJ; Francisco-Ortega, J	2000	Phylogeny of the cycads (Cycadales) based on chloroplast DNA gene spacers and ITS rDNA sequences	Am J Bot 87(6): 260-273	[Abstract]
Bogler, DJ; Francisco-Ortega, J	2004	Molecular systematic studies in cycads: evidence from trnL intron and ITS2 rDNA sequences.	Bot. Rev. (Lancaster) 70(2): 260-273
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	Mem. New York Bot. Gard. 106: 133-150
Bonta, M; Osborne, R	2007	Cycads in the vernacular?a compendium of local names	Mem. New York Bot. Gard. 97: 143-175
Bonta, M; Pulido-Silva, MT; Diego-Vargas, T; Vite-Reyes, A; Vovides, AP; Cibrián	2019	Ethnobotany of Mexican and northern Central American cycads (Zamiaceae)	J Ethnobiol Ethnomed 15(1): 4	[Abstract]
Borenstein, AR; Dahlquist, E; Wu, Y; Salmon, D; Gamst, A; Olichney, J; Thal, LJ;	2007	Cycad seed exposure and risk of dementia, MCI and ALS/PDC in the chamorro population of Guam	Neurology 68(12)
Borenstein, AR; Mortimer, JA; Schofield, E; Wu, Y; Salmon, DP; Gamst, A; Olichne	2007	Cycad exposure and risk of dementia, MCI, and PDC in the Chamorro population of Guam	Neurology 68(21): 1764-71	[Abstract]
Bork, J	1990	Developmental cycles in shoot growth of male Cycas circinalis	Amer. J. Bot. 77(8): 981-985
Borsboom, AC; Wang, J; Forster, PI	2015	Determining maturity and population structure in Macrozamia parcifolia (Zamiaceae), a threatened Australian cycad	Austral. J. Bot.	[Abstract]
Brenner, ED; Martinez-Barboza, N; Clark, AP; Liang, QS; Stevenson, DW; Coruzzi,	2000	Arabidopsis mutants resistant to S(+)-beta-methyl-alpha, beta-diaminopropionic acid, a cycad-derived glutamate receptor agonist	Plant Physiol 124(4): 1615-24	[Abstract]
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
Brenner, ED; Stevenson, DW; McCombie, RW; Katari, MS; Rudd, SA; Mayer, KFX; Pale	2003	Expressed sequence tag analysis in Cycas, the most primitive living seed plant	Genome Biology 4(12)	[Abstract]
Brenner, ED; Stevenson, DW; Twigg, RW	2003	Cycads: evolutionary innovations and the role of plant-derived neurotoxins	Trends Plant Sci 8(9): 446-52	[Abstract]
Britten, L; Brueckner, A; Christian, HB; Dyer, RA; Henderson, MD; Killick, DJB;	1954	Newly described species	Bothalia 6(2): 415-454
Britton, NL	1908	Botanical Exploration in Jamaica	Journal of The New York Botanical Garden 9(101): 81-90
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
Britton, NL	1926	Cycadales.	Botany of Porto Rico and the Virgin Islands. Scientific Survey of Porto Rico and 6(3): 329-331
Brongniart, AT	1846	Sur un noveau genre de cycadées du Mexique	Ann. Sci. Nat., Bot. ser. 3, 5: 5-9
Broome, T	2001	Optimizing cycad seed germination	Cycad Newslett. 24(2)
Broome, T	2002	A celebration of red and brown emergent cycads	Cycad Newslett. 25(2): 4-7
Broome, T	2003	Growing Cycas panzhihuaensis in Florida	Cycad Newslett. 26(4): 11
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	Zamia pygmaea in Central Florida	Cycad Newslett. 28(1): 10-11
Broome, T	2006	Growing Cycas debaoensis in Central Florida	Cycad Newslett. 29(1): 13
Broome, T	2006	Zamia muricata in Central Florida	Cycad Newslett. 29(4): 11
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	2009	Growing Lepidozamia hopei in Florida	Cycad Newslett. 32(4): 12
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
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
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	Amer. J. Bot. 23: 334-335
Bryan, GS	1952	The cellular proembryo of Zamia and its cap cells	Amer. J. Bot. 39: 433-443
Bryan, GS; Evans, RI	1957	Types of development from the central nucleus of Zamia umbrosa	Amer. J. Bot. 44: 404-415
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
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
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	Heredity 79: 573-583	[Abstract]
Cabrera, H; Sandoval, Z E; Guzman, M J M; Mata, R M; Cruz, S F; Chavez, VM; Litz	2007	Micropropagation of the medicinal plant Dioon merolae (Zamiaceae, Cycadales), an endangered cycad species.)	Planta Medica 73(9): 1016-1016
Cabrera-Toledo, D; González-Astorga, J; Nicolalde-Morejón, F; Vergara-Silva, F;	2010	Allozyme diversity levels in two congeneric Dioon spp. (Zamiaceae, Cycadales) with contrasting rarities	Pl. Syst. Evol. 290: 115-125
Cabrera-Toledo, D; González-Astorga, J; Vovides, AP; Casas, A; Vargas-Ponce, O;	2019	Surviving background extinction: Inferences from historic and current dynamics in the contrasting population structures of two endemic Mexican cycads	Population Ecology 61(1): 62-73	[Abstract]
Cafasso, D; Cozzolino, S; Caputo, P; De Luca, P	2001	Maternal inheritance of plastids in Encephalartos Lehm. (Zamiaceae, Cycadales)	Genome 44(2): 239-41	[Abstract]
Cafasso, D; Cozzolino, S; De Luca, P; Chinali, G	2003	An unusual satellite DNA from Zamia paucijuga (Cycadales) characterised by two different organisations of the repetitive unit in the plant genome	Gene 311: 71-9	[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	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
Caldwell, OW	1907	Microcycas calocoma	Bot. Gaz. 44: 118-141
Caldwell, OW; Baker, CF	1907	The identity of Microcycas calocoma	Bot. Gaz. 43: 330-335
Calonje, C	2010	Cold winter precedes mast coning year for female Cycas panzhihuaensis plants at Montgomery Botanical Center	Encephalartos 102: 7-10
Calonje, C; Calonje, M	2010	Germination and Early Seedling Growth of Rare Zamia spp. in Organic and Inorganic Substrates: Advancing Ex Situ Conservation Horticulture	HortScience 45(4): 679-683	[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]	J. Bot. Res. Inst. Texas 3(1): 23-39	[Abstract]
Calonje, M	2011	Propagation of cycad collections from seed: applied reproductive biology for conservation	Sibbaldia 9: 77-96
Calonje, M; Calonje, C	2012	Phenology of Dioon spinulosum in South Florida	Cycad Newslett. 35(2): 15
Calonje, M; Calonje, C; Cuestas, S	2016	In search of the world's most massive seed cone	Encephalartos 124: 12-14
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
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]	Brittonia 63(4): 442-451
Calonje, M; López-Gallego, C; Castro, J	2018	Zamia paucifoliolata, a new species of Zamia (Zamiaceae, Cycadales) from Valle del Cauca, Colombia	Phytotaxa 385(2): 9	[Abstract]
Calonje, M; Meerman, J	2009	What is Zamia prasina (Zamiaceae: Cycadales)?	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]	J. Bot. Res. Inst. Texas 3(1): 31-41
Calonje, M; Meerow, AW	2010	The typification of Zamia erosa and the priority of that name over Z. amblyphyllidia	Taxon 59(2): 637-642
Calonje, M; Meerow, AW; Griffith, MP; Salas-Leiva, D; Vovides, AP; Coiro, M; Fra	2019	A Time-Calibrated Species Tree Phylogeny of the New World Cycad Genus Zamia L. (Zamiaceae, Cycadales)	International Journal of Plant Sciences 180(4): 286-314	[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)	Oryx 47(2): 190-198
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	Phytotaxa 192(4): 279-289
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
Calonje, M; Stevenson, DW; Calonje, C; Ramos, YA; Lindström, AJ	2010	A new species of Zamia from Choco, Colombia (Cycadales, Zamiaceae) [Zamia pyrophylla]	Brittonia 62(1): 80-85
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
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
Cao, JGB, W M; Dai, SJ	2003	Ultrastructure of the blepharoplast and the multilayered structure in spermatogenesis in Osmunda cinnamomea var. asiatica	Acta Botanica Sinica 45(7): 832-842	[Abstract]
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).	Amer. J. Bot. 83(11): 1513-1520
Caputo, P; Cozzolino, S; Luca, PD; Moretti, A; Stevenson, DW	2004	Molecular phylogeny of Zamia (Zamiaceae)	Cycad classification: concepts and recommendations : 149-157	[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	Brittonia 43(3): 135-143
Cardini, F	2005	Carotenoid composition and its chemotaxonomic significance in leaves of ten species of the genus Ceratozamia (Cycads)	Journal of Plant Physiology 162(5): 517-528	[Abstract]
Cardini, F; Britton, G; Selva, A	1989	A seco-carotenoid from leaves of two cycads	Phytochemistry 28(10): 2793-2795
Cardini, F; Ginanneschi, M; Selva, A; Chelli, M	1987	Semi-ß-carotenone from leaves of two cycads	Phytochemistry 26(7): 2029-2031
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
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
Castillo-Guevara, C	2002	Is cycasin in Eumaeus minyas (Lepiodoptera : Lycaenidae) a predator deterrent?	Interciencia 27(9): 465
Castillo-Guevara, C	2007	Herbivores and chemical defenses in cycads?an ecological and evolutionary approach	Mem. New York Bot. Gard. 97: 87-103
Castillo-Lara, P; Octavio-Aguilar, P; De-Nova, JA	2018	Ceratozamia zaragozae Medellín-Leal (Zamiaceae), an endangered Mexican cycad: New information on population structure and spatial distribution	Brittonia 70(2): 155	[Abstract]
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	Bot. Gaz. 43: 137
Chamberlain, CJ	1906	The ovule and female gametophyte of Dioon	Bot. Gaz. 42: 321-358
Chamberlain, CJ	1908	Report on Dioon and Ceratozamia	Science 27: 333
Chamberlain, CJ	1909	Dioon spinulosum	Bot. Gaz. 48: 401-413
Chamberlain, CJ	1909	Spermatogenesis in Dioon edule	Bot. Gaz. 47: 215-236
Chamberlain, CJ	1910	Fertilization and embryogeny in Dioon edule.	Bot. Gaz. 50: 415-429
Chamberlain, CJ	1911	The adult cycad trunk.	Bot. Gaz. 52: 81-104
Chamberlain, CJ	1912	Morphology of Ceratozamia	Bot. Gaz. 53: 1-19
Chamberlain, CJ	1912	Two species of Bowenia	Bot. Gaz. 54: 419-423
Chamberlain, CJ	1913	Macrozamia moorei, a connecting link between living and fossil cycads	Bot. Gaz. 55: 141-154
Chamberlain, CJ	1916	Stangeria paradoxa	Bot. Gaz. 61: 353-372
Chamberlain, CJ	1919	The Living Cycads	Liv. Cycads
Chamberlain, CJ	1920	The living cycads and the phylogeny of seed plants.	Amer. J. Bot. 7(4): 146-153
Chamberlain, CJ	1926	Hybrids in cycads	Bot. Gaz. 81: 401-418
Chamberlain, CJ	1926	Two new species of Zamia [Zamia monticola & Zamia sylvatica]	Bot. Gaz. 81(2): 218-227
Chang, DCN; Grobbelaar, N; Coetzee, J	1988	SEM observations on cycanobacteria-infected cycad coralloid roots	S. African J. Bot. 54(5): 491-495
Chang, SS; Chan, YL; Wu, ML; Deng, JF; Chiu, T; Chen, JC; Wang, FL; Tseng, CP	2004	Acute Cycas seed poisoning in Taiwan	J Toxicol Clin Toxicol 42(1): 49-54	[Abstract]
Chaplot, BB; Jasrai, YT	2000	Differentiation of shoot buds in bulb-scale cultures of Cycas revoluta Thunb.	Phytomorphology 50(1): 37-40
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
Chaves Guevara, 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; Litz, RE; Monroy, M; Moon, PA; Vovides, AP	1998	Regeneration of Ceratozamia euryphyllidia (Cycadales, Gymnospermae) plants from embryogenic leaf cultures derived from mature-phase trees	Plant Cell Rep 17(8): 612-616	[Abstract]
Chavez, VML, R E	1999	Organogenesis from megagametophyte and zygotic embryo explants of the gymnosperm Dioon edule Lindley (Zamiaceae, Cycadales)	Plant Cell Tissue and Organ Culture 58(3): 219-222	[Abstract]
Chaw, SM; Walters, TW; Chang, CC; Hu, SH; Chen, SH	2005	A phylogeny of cycads (Cycadales) inferred from chloroplast matK gene, trnK intron, and nuclear rDNA ITS region	Mol Phylogenet Evol 37(1): 214-34	[Abstract]
Chemnick, J	2003	Notes on Ceratozamia hildae	Cycad Newslett. 26(2): 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]	Phytologia 79(1): 51-57
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	Phytologia 83(1): 1-6
Chemnick, J; Pérez-Farrera, MA	2007	Dioon merolae De Luca, Sabato & Vázquez-Torres - its history, ethnobotany and conservation	Cycad Newslett. 30(2): 8-10
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Jacquin, N	1792	Zamia angustifolia	Icon. Pl. Rar. [Jacquin] 3: 20
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Jacquin, N	1805	Zamia cycadifolia	Fragm. Bot. 27
Jacquin, N	1805	Zamia horrida	Fragm. Bot. 27
Jacquin, N	1805	Zamia lanuginosa	Fragm. Bot. 28
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Kemp, M	1985	Focus on Encephalartos lehmannii	Encephalartos 4: 12-17
Kemp, M	1985	Focus on Encephalartos longifolius	Encephalartos 1: 6-13
Kemp, M	1986	Focus on Encephalartos horridus	Encephalartos 7: 8-13
Kemp, M	1986	Focus on Encephalartos latifrons	Encephalartos 8: 8-15
Kemp, M	1987	Focus on Encephalartos arenarius	Encephalartos 11: 4-7
Kemp, M	1989	Focus on Encephalartos friderici-guilielmi	Encephalartos 18: 4-9
Kemp, M	1990	Focus on Encephalartos princeps	Encephalartos 24: 3-7
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Miquel, FA	1868	Noveaux matériaux pour servir á la connaissance des Cycadées. Deuxieme partie. Encephalartos barteri.	Arch. Néerl. Sci. Exact. Nat. 3: 241-246
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Miquel, FA	1868	Noveaux matériaux pour servir á la connaissance des Cycadées. Troisieme partie. Cycadées de la Nouvelle-Hollande extratropicale	Arch. Néerl. Sci. Exact. Nat. 3: 246-254
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Norstog, K	1987	Cycad hybridization studies	Fairchild Trop. Gard. Bull. 42(3): 20-23
Norstog, K	1987	Cycads and the origin of insect pollination	American Scientist 75: 270-279
Norstog, K	1990	Spermatozoids of Microcycas calocoma: ultrastructure	Bot. Gaz. 151(3): 275-284
Norstog, K	1990	Studies of cycad reproduction at Fairchild Tropical Garden	Mem. New York Bot. Gard. 57: 63-81
Norstog, K	1993	Spermatogenesis in Microcycas: evolutionary significance of male gametes of seed plants	Proc. Second Int. Conf. Cycad Biol. : 270-278
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Norstog, K; Fawcett, PKS; Vovides, AP; Dunn, MW	1993	Toxicity and insect-cycad symbiosis in Zamia furfuracea	Proc. Second Int. Conf. Cycad Biol. : 42-50
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Osborne, R	1985	Sex change in cycads ? hope for woodii?	Encephalartos 2: 20-22
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
Osborne, R	1989	Cycad pollen survives ultra-low temperature.	Encephalartos 17: 25
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
Osborne, R	1990	Micropropagation in cycads	Mem. New York Bot. Gard. 57: 82-88
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	1995	The world Cycad census and a proposed revision of the threatened species status for Cycad taxa	Biological Conservation 71(1): 1-12	[Abstract]
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
Osborne, R	2003	Focus on Macrozamia douglasii	Encephalartos 74: 6-11
Osborne, R	2004	What controls coning in Cycas revoluta?	Proc. Sixth Int. Conf. Cycad Biol. : 142-149
Osborne, R	2005	Focus on Cycas tropophylla	Encephalartos 82: 8-13
Osborne, R	2005	Focus on Dioon caputoi	Encephalartos 83: 15-23
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	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
Osborne, R; Calonje, A; Hill, KD; Stanberg, L; Stevenson, DW	2012	The world list of cycads	Mem. New York Bot. Gard. 106: 480-508
Osborne, R; Calonje, M; Hill, KD; Stanberg, L; Stevenson, DW	2015	CITES and Cycads: Checklist	CITES and Cycads: A User's Guide : 64-114
Osborne, R; Forster, PI	2008	Focus on Macrozamia viridis	Encephalartos 95: 11-14
Osborne, R; Gorelick, R	2007	Sex change in cycads?cases, causes, and chemistry	Mem. New York Bot. Gard. 97: 335-345
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, AP	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
Osborne, R; Robbertse, PJ; Claassen, I	1992	The longevity of cycad pollen in storage	S. African J. Bot. 58(4): 250-254
Osborne, R; Salatino, A; Salatino, MLF	1989	Alkanes of foliar epicuticular waxes of the genus Encephalartos.	Phytochemistry 28(11): 3027-3030
Osborne, R; Salatino, A; Salatino, MLF; Sekiya, CM; Vázquez-Torres, M	1993	Alkanes of foliar epicuticular waxes from five cycad genera in the Zamiaceae.	Phytochemistry 33(3): 607-609
Osborne, R; Santana, RM	1995	Focus on Microcycas calocoma	Encephalartos 42: 4-11
Osborne, R; Stevens, JF	1996	Epicuticular waxes and glaucousness of Encephalartos leaves.	Phytochemistry 42(5): 1335-1339
Osborne, R; Stevenson, DW; Vovides, AP	2006	What is Ceratozamia fuscoviridis?	Delpinoa 48: 5-10
Osborne, R; Tang, W	2009	Focus on Zamia polymorpha	Encephalartos 98: 14-19
Osborne, R; Tomiyama, H	1995	Focus on Cycas revoluta	Encephalartos 41: 5-15
Osborne, R; van Staden, J	1987	In vitro regeneration of Stangeria eriopus	HortScience 22(6): 1326
Osborne, R; Vázquez-Torres, M	2009	Focus on Ceratozamia euryphyllidia	Encephalartos 96: 10-14
Osborne, R; Vovides, AP	2007	Focus on Zamia inermis	Encephalartos 91: 13-18
Osborne, R; Vovides, AP	2010	Focus on Ceratozamia mexicana	Encephalartos 100: 29-34
Osborne, R; Vovides, AP	2010	Focus on Zamia loddigesii	Encephalartos 99: 16-20
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Pant, DD	1963	Cuticle and epidermis of recent Cycadales: leaves, sporangia and seeds	Senckenberg Biol. 44: 257-348
Pant, DD	1973	Cycas and the Cycadales. 2nd ed.	Not given
Pant, DD	1990	On the genus Glandulataenia, nov. from the Triassic of Nidhpuri, India	Mem. New York Bot. Gard. 57: 186-199
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Pant, DD; Das, K	1993	Cuticle, epidermis and anatomy of pinnae in some species of Cycas linn	Proc. Second Int. Conf. Cycad Biol. : 169-195
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The World List of Cycads
A Comprehensive Taxonomic Reference