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
2010
A new species of Zamia (Zamiaceae) from Costa Rica
Brenesia 73-74: 29-33
Zamia gomeziana
Acuna-Castillo, RH; Gómez P., LD
2009
Selección de un lectotipo para Zamia fairchildiana L.D.Gómez (Zamiaceae)
Brenesia 71-72: 65-66
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 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]
Agoo, EMG; Madulid, DA; Callado, JR
2019
Novel species of Cycas (Cycadaceae) from Mindanao Island, Philippines
Mem. New York Bot. Gard. 117: 529-539
Cycas flabellata and C. mindanaensis protologues
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, AA; Archangelsky, S; Artabe, AE
1995
Cuticular characters adapted to volcanic stress in a new Cretaceous Cycad leaf from Patagonia, Argentina Considerations on the stratigraphy and depositional hist
Review Palaeobotany & Palynology 89(3-4): 213-233
[Abstract]
Archangelsky, S; Brett, DW
1963
Studies on Triassic fossil plants from Argentina
Ann. Bot. (Oxford), n.s. 27(1): 147-154
Archangelsky, S; Villar de Seoane, L
2004
Cycadean diversity in the Cretaceous of Patagonia, Argentina. Three new Androstrobus species from the Baqueró Group
Review Palaeobotany & Palynology 131(1-2): 1-28
[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
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
Ascherson, P
1878
Vorlage von mit Wolle eingeschleppten Pflanzen; Primula sisskimensis Hook. ; und von afrikanischen Pflanzen von H. Soyaux und Dr. Pogge.
Verh. Bot. Vereins Prov. Brandenburg
Encephalartos poggei protologue
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
Audran, JC
1979
Microspores, pollen grains and tapetum ontogeny in Ceratozamia mexicana (Cycadaceae): an ultrastructural study.
Phytomorphology 29(3-4): 350-362
Avendaño, S; Vovides, AP; Castillo-Campos, G
2003
A new species of Ceratozamia (Zamiaceae, Cycadales) from Veracruz, Mexico
Bot. J. Linn. Soc. 141(3): 395-398
Ceratozamia huastecorum
Averyanov, LV; Nguyên, TH; Nguyên Sinh, K; Van Pham, T; Lamxay, V; Bounphanmy, S
2014
Gymnosperms of Laos
Nordic J. Bot. 32: 765-805
Cycas laotica protologue
Bailey, FM
1883
Macrozamia douglasii
Syn. Queensl. Fl. : 500
Macrozamia douglasii protologue
Bailey, FM
1886
Macrozamia mountperriensis
Syn. Queensl. Fl. Suppl. 1: 50
Macrozamia mountperriensis protologue
Bailey, FM
1898
Contributions to the flora of Queensland
Queensland Agric. J. 3: 353-356
Macrozamia platyrhachis protologue
Baillon, H
1894
Cycadacées
Hist. Pl. (Baillon) 12: 57-69
Stangeria eriopus protologue
Balick, MJ; Atha, D E
2000
Cycadophyta. In: Checklist of the vascular plants of Belize, with common names and uses
Mem. New York Bot. Gard. 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
Mem. New York Bot. Gard. 57: 152-155
Encephalartos ituriensis
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
Bertolini, G
1851
Illustrazione di plante Mozambicesi
Mem. Reale Accad. Sci. Ist. Bologna 3: 249-267
Encephalartos ferox protologue
Bogler, DJ; Francisco-Ortega, J
2000
Phylogeny of the cycads (Cycadales) based on chloroplast DNA gene spacers and ITS rDNA sequences
Amer. 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 vernaculara compendium of local names
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
J. Bot. Res. Inst. Texas 3(1): 23-39
Zamia meermanii
[Abstract]
Calonje, M
2011
Phenology of Cycas revoluta in South Florida
Cycad Newslett. 34(2,3): 42-43
Calonje, M
2011
Propagation of cycad collections from seed: applied reproductive biology for conservation
Sibbaldia 9: 77-96
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; Calonje, C; Cuestas, S
2016
In search of the world's most massive seed cone
Encephalartos 124: 12-14
Calonje, M; Castro Hernández, J; Coca, LF; Jaramillo, D; Aristizábal, A
2021
Two new species of Zamia (Zamiaceae, Cycadales) from the Magdalena-Uraba moist forests ecoregion of northern Colombia
Phytotaxa 497(1): 1-19
Zamia imbricata protologue
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
Caldasia 34(2): 283-290
Zamia huilensis
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
Brittonia 63(4): 442-451
Zamia tolimensis
Calonje, M; López-Gallego, C; Castro Hernández, J
2018
Zamia paucifoliolata, a new species of Zamia (Zamiaceae, Cycadales) from Valle del Cauca, Colombia
Phytotaxa 385(2): 85-93
[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
J. Bot. Res. Inst. Texas 3(1): 31-41
Zamia decumbens
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)
Brittonia 62(1): 80-85
Zamia pyrophylla
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
RADseq as a valuable tool for plants with large genomesA case study in cycads
Molecular Ecology Resources 19(6): 1610-1622
[Abstract]
Coiro, M; Chomicki, G; Doyle, JA
2018
Experimental signal dissection and method sensitivity analyses reaffirm the potential of fossils and morphology in the resolution of the relationship of angiospe
Paleobiology 44(3): 490-510
[Abstract]
Coiro, M; Pott, C
2017
Eobowenia gen. nov. from the Early Cretaceous of Patagonia: indication for an early divergence of Bowenia?
BMC Evol Biol 17(1): 97
[Abstract]
Collins, M
1987
International protection of cycads
Fairchild Trop. Gard. Bull. 42(3): 28-29
Condamine, FL; Nagalingum, NS; Marshall, CR; Morlon, H
2015
Origin and diversification of living cycads: a cautionary tale on the impact of the branching process prior in Bayesian molecular dating
BMC Evol Biol 15(1): 65
[Abstract]
Connell, SW; Ladd, PG
1993
Pollination biology of Macrozamia riedlei - The role of insects
Proc. Second Int. Conf. Cycad Biol. : 96-102
Conran, JG; Bannister, JM; Kaulfuss, U; Lee, DE
2020
Pterostoma neehoffii (cf. Zamiaceae): a new species of extinct cycad from the middle Miocene of New Zealand and an overview of fossil New Zealand cycads
New Zealand Journal of Botany 58(1): 30-47
[Abstract]
Contreras Medina, R; Morrone, J J
1999
Biogeographic analysis of the genera of Cycadales and Coniferales (Gymnospermae): A panbiogeographic approach
Biogeographica Paris 75(4): 163-176
[Abstract]
Contreras Medina, R; Ruiz-Jimenez, CA; Luna Vega, I
2003
Caterpillars of Eumaeus childrenae (Lepidoptera: Lycaenidae) feeding on two species of cycads (Zamiaceae) in the Huasteca region, Mexico
Rev Biol Trop 51(1): 201-3
[Abstract]
Contreras, CM; Saavedra, MV; Martinez-Mota, L; Ortiz, M; Vazquez-Torres, M
1998
Crude preparations of Dioon spinulosum dyer neurotoxicity: methylazoxymethanol produces petil mal seizures in susceptible individuals
Phytomedicine 5(3): 227-33
[Abstract]
Cook, OF; Collins, GN
1903
Economic plants of Porto Rico
Contr. U.S. Natl. Herb. 8(2): 57-269
Cooper, MRG, D
2004
The cycads and cycad moths of K waZulu-Natal
Not given
Costa, J; Lindblad, P
1999
Cyanobiont diversity within coralloid roots of selected cycad species
Fems Microbiology Ecology 28(1): 85-91
[Abstract]
Coulter, JM
1909
Evolutionary tendences among Gymnosperms.
Bot. Gaz. 48: 81-97
Coulter, JM; Chamberlain, CJ
1903
The embryogeny of Zamia
Bot. Gaz. 35: 184-193
Coulter, JM; Chrysler, MA
1904
Regeneration in Zamia.
Bot. Gaz. 38: 452-458
Cousins, SR; Williams, VL; Witkowski, ETF
2012
Uncovering the cycad taxa (Encephalartos species) traded for traditional medicine in Johannesburg and Durban, South Africa
South African J. Botany 78: 129-138
[Abstract]
Cox, PA
2002
Cycad neurotoxin, consumption of flying foxes, and ALS/PDC disease in Guam - Reply
Neurology 59(10): 1664-1665
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
Cox, PA; Murch, S J
2003
Biomagnification of cyanobacterial neurotoxins and neurodegenerative disease among the Chamorro people of Guam
Proc. Natl. Acad. Sci. U.S.A. 100(23)
[Abstract]
Cox, PA; Murch, S; Sacks, O
2006
Commentary on: return of the cycad hypothesis - does the amyotrophic lateral sclerosis/Parkinsonism dementia complex (ALS/PDC) of Guam have new implications for
Neuropathology and Applied Neurobiology 32(6): 679-682
Crisp, MD; Cook, LG
2011
Cenozoic extinctions account for the low diversity of extant gymnosperms compared with angiosperms
New Phytol. 192(4): 997-1009
[Abstract]
Crosiers, C
1995
Ex situ pollination and multiplication of Encephalartos laurentianus De Wild (Zamiaceae, Cycadales)
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
De Luca, A.Moretti, Sabato & Vázq.Torres
1980
Dioon rzedowskii (Zamiaceae), a new species from Mexico
Brittonia 32(2): 225-229
De Luca, P
1990
A historical perspective on cycads from antiquity to the present
Mem. New York Bot. Gard. 57: 1-7
De Luca, P; La Valva, V; Sabato, S
1980
Spermatogenesis and tissue formation in cycad pollen grains.
Caryologia 33(2): 261-265
De Luca, P; Moretti, A; Sabato, S; Siniscalco Gigliano, G
1980
The ubiquity of cycasin in cycads
Phytochemistry 19(10): 2230-2231
De Luca, P; Moretti, A; Sabato, S; Siniscalco Gigliano, G
1982
A comparative study of cycad mucilages.
Phytochemistry 21(7): 1609-1611
De Luca, P; Sabato, S
1979
Dioon califanoi (Zamiaceae), a new species from Mexico
Brittonia 31(1): 170-173
De Luca, P; Sabato, S
1979
In vitro spermatogenesis of Encephalartos Lehm
Caryologia 32(2): 241-245
De Luca, P; Sabato, S; Vázquez-Torres, M
1980
Dioon caputoi (Zamiaceae), a new species from Mexico
Brittonia 32(1): 43-46
De Luca, P; Sabato, S; Vázquez-Torres, M
1981
Dioon holmgrenii (Zamiaceae), a new species from Mexico
Brittonia 33(4): 552-555
De Luca, P; Sabato, S; Vázquez-Torres, M
1981
Dioon merolae (Zamiaceae), a new species from Mexico
Brittonia 33(2): 179-185
De Luca, P; Sabato, S; Vázquez-Torres, M
1982
Distribution and variation of Dioon [Dion] edule
Brittonia 34(3): 355-362
De Luca, P; Sabato, S; Vázquez-Torres, M
1984
Dion tomasellii (Zamiaceae), a new Species with two varieties from Western Mexico
Brittonia 36(3): 223-227
de Vriese, WH
1838
Novae species Cycadearum Africae Australis, quas dcscriptionibus et figuris illustravit
Tijdschr. Natuurl. Gesch. Physiol. 4: 409-425
Dehgan, B
1983
Propagation and growth of cycads - a conservation strategy
Proc. Florida State Hort. Soc. 96: 137-139
Dehgan, B
1987
Research on Cycadales at the Horticultural Systematics Laboratory of the University of Florida.
Fairchild Trop. Gard. Bull. 42(3): 10-11
Dehgan, B
1995
The few, the proud, the cycads
Amer. Nurseryman Dec 15: 78-84
Dehgan, B
1996
Permian permanence
Amer. Nurseryman Jan 15: 66-74
Dehgan, B; Almira, F
1993
Horticultural practices and conservation of cycads
Proc. Second Int. Conf. Cycad Biol. : 322-328
Dehgan, B; Almira, F
1995
Plant growth regulator induced branching in cycads
Amer. J. Bot. 82(suppl.): 30
Dehgan, B; Almira, F; Dudeck, A; Schutzman, B
2004
Effects of varying shade and fertilizer on growth of Zamia floridana A.DC.
Bot. Rev. (Lancaster) 70(1): 79-85
Dehgan, B; Caballero-Ruano, M
1999
Propagation and culture of cycads: a practical approach. Proceedings of the Second International Symposium on Ornamental Palms and other Monocots from the Tropics, Tenerife, Spain (1997).
Acta Hort. 486: 123-131
Dehgan, B; Durando, JE; Yeager, TH
1994
Symptoms and treatment of manganese deficiency in Cycas revoluta Thunb.
HortScience 29(6): 645-648
Dehgan, B; Schutzman, B
1983
Effect of H2SO4 and GA3 on seed germination of Zamia furfuracea
HortScience 18(3): 371-372
Dehgan, B; Schutzman, B; Almira, F
1993
Utilization of scanning electron microscopy in the study of surface features in Cycadales
Proc. Second Int. Conf. Cycad Biol. : 228-235
Dehgan, B; Yuen, CKKH
1983
Seed morphology in relation to dispersal, evolution and propagation of Cycas L.
Bot. Gaz. 144(3): 412-418
del Risco, E; Morell, J; Samek, V
1984
Some annotations on Microcycas calocoma
Revista Jard. Bot. Nac. Univ. Habana 5(1): 111-132
Delange, Y
1990
Notes on the natural history of two species of Encephalartos from South Africa
Mem. New York Bot. Gard. 57: 142-143
Delevoryas, T
1970
Contributions to our knowledge of Triassic Cycadales
Amer. J. Bot. 57(6-2): 758
Delevoryas, T
1993
Origin, evolution and growth patterns of cycads
Proc. Second Int. Conf. Cycad Biol. : 236-245
Devred, R
1958
Une Cycadacée nouvelle du Congo Belge: Encephalartos marunguensis Devred
Bull. Soc. Roy. Bot. Belgique 91: 104-110
Encephalartos marunguensis protologue
Dietrich, A
1851
Bericht uber zwei neue Zamien, nebft ubbilbung berfelben
Allg. Gartenzeitung 19: 145-146
Zamia lindleyi and Z. skinneri protologues
Dixon, D
2004
A Review of the Gymnosperms of the Northern Territory
Beagle 20: 1-24
Dodson, CH
1998
A new species of Zamia (Zamiaceae) from Ecuador
Novon 8(1): 12-14
Zamia gentryi
Donaldson, J
1992
Adaptation for oviposition into concealed cycad ovules in the cycad weevils Antliarhinus zamiae and Antiliarhinus signatus (Coleoptera: Curculionoidea).
Bot. J. Linn. Soc. 47(1): 23-35
Donaldson, J
1993
Insect predation of ovules in the South African species of Encephalartos (Cycadales: Zamiaceae)
Proc. Second Int. Conf. Cycad Biol. : 103-108
Donaldson, J
1995
Life history and host range of the leopard magpie moth, Zerenopsis leopardina Felder (Lepidoptera: Geometridae)
African Entomology 3(2): 103-110
[Abstract]
Donaldson, J
1997
Is there a floral parasite mutualism in cycad pollination? The pollination biology of Encephalartos villosus (Zamiaceae).
Amer. J. Bot. 84(10): 1398-1406
Donaldson, J
1999
Changes in the abundance of South African cycads during thr 20th century - preliminary data from the study of matched photographs
Biology and Conservarion of Cycads - Proceedings of the Fourth International Con : 240-247
Donaldson, J
2003
Cycads. status survey and conservation action plan
Not given : 86
Donaldson, J
2003
Introduction
Cycads: Status, Survey, and Conservation Action Plan : 1-2
Donaldson, J
2004
Saving ghosts. The implications and uncertainty and shifting infrageneric concepts in the cycadales for red listing and conservation planning
Cycad Classific. Concepts & Recommend. : 13-22
Donaldson, J
2007
Hot and smelly sex! Theoretical considerations of the adaptive significance of cone thermogenesis and volatile odors in cycad reproduction
Mem. New York Bot. Gard. 97: 308-325
Donaldson, J; Hill, KD; Stevenson, DW
2003
Cycads of the World: an overview
Cycads: Status, Survey, and Conservation Action Plan : 3-8
Donnell Smith, J
1903
Undescribed plants from Guatemala and other Central American Republics XXIV
Bot. Gaz. 35(1): 1-9
Zamia tuerckheimii protologue
Donnell Smith, J
1903
Undescribed plants from Guatemala and other Central American Republics. XXIV.
Bot. Gaz. 35(1): 1-80
Dorety, HA
1908
The embryo of Ceratozamia: a physiological study
Bot. Gaz. 45: 412-416
Dorety, HA
1908
The seedling of Ceratozamia.
Bot. Gaz. 46: 203-220
Dorety, HA
1909
The extrafascicular cambgium of Ceratozamia
Bot. Gaz. 47: 150-152
Dorety, HA
1909
Vascular anatomy of the seedling of Microcycas calocoma
Bot. Gaz. 47: 139-147
Dorety, HA
1919
Embryo and seedling of Dioon spinulosum
Bot. Gaz. 67: 251-257
Dorsey, BL; Gregory, TJ; Sass, C; Specht, CD
2018
Pleistocene diversification in an ancient lineage: a role for glacial cycles in the evolutionary history of Dioon Lindl. (Zamiaceae)
Amer. J. Bot. 105(9): 1512-1530
[Abstract]
Douwes, E
2002
Gene-banking the Natal Grass Cycad - Stangeria eriopus
Biosphere Environmental Newspaper 1(6): 10-11
Douwes, E; Dalzell, C
2007
The ethnomedicinal use of cycads in South Africa
Mem. New York Bot. Gard. 97: 176-181
Dower, BL; Bateman, RM; Stevenson, DW
2004
Systematics, ontogeny, and phylogenetic implications of exceptional anatomically preserved cycadophyte leaves from the middle Jurassic of Bearreraig Bay, Skye, Northwest Scotland
Bot. Rev. (Lancaster) 70(2): 105-120
Downie, DA; Donaldson, J
2007
Molecular systematics in amorphocerine weevils on Encephalartospreliminary results
Mem. New York Bot. Gard. 97: 372-387
Downie, DG
1928
Male gametophyte of Microcycas calocoma
Bot. Gaz. 85: 437-450
Ducke, A
1915
Plantas nouvelles ou peu connues de la région amazonienne: Cycadaceae
Arch. Jard. Bot. Rio de Janeiro 1: 9-10
Ducke, A
1922
Plantes nouvelles ou peu connues de la région Amazonienne (IIe Partie). Cycadaceae
Arch. Jard. Bot. Rio de Janeiro 3: 19-20
Duncan, MW
1993
Cycads as a possible cause of neurological disorders in the Western Pacific
Proc. Second Int. Conf. Cycad Biol. : 19-23
Dyer, RA
1951
Encephalartos umbeluziensis
Fl. Pl. Africa 28: 1100
Encephalartos umbeluziensis protologue
Dyer, RA
1956
A new cycad from the Cape Province
J. S. African Bot. 22(1): 1-4
Encephalartos arenarius
Dyer, RA
1964
Cycadaceae
Bothalia 8(2): 169-170
Encephalartos inopinus protologue
Dyer, RA
1964
Notes and new records of African plants. Cycadaceae
Bothalia 8(2): 163-181
Dyer, RA
1965
New species and notes on type specimens of South African Encephalartos
J. S. African Bot. 31(2): 111-121
Protologue(s): Encephalartos princeps; New combination(s): Encephalartos trispinosus
Dyer, RA
1971
A further new species of Cycad from the Transvaal
Bothalia 10(2): 379-383
Dyer, RA
1972
A new species of Encephalartos from Swaziland
Bothalia 10(4): 539-546
Encephalartos heenanii
Dyer, RA; Verdoorn, IC
1951
Encephalartos natalensis
Bothalia 6(1): 205-211
Dyer, RA; Verdoorn, IC
1966
Zamiaceae
Fl. S. Africa [ed. L.E.W. Codd et al.] 1: 4-34
Dyer, RA; Verdoorn, IC
1969
Encephalartos manikensis and its near allies
Kirkia 7(1): 147-158
Eckenwalder, JE
1980
Taxonomy of the West Indian cycads
J. Arnold Arbor. 61: 701-722
Edmonson, N
1987
Growing cycads in the South Florida landscape.
Fairchild Trop. Gard. Bull. 42(3): 30-33
Edwards, I
1985
Conservation of plants on Mulanje Mountain Malawi
Oryx 19(2): 86-90
[Abstract]
Eichler, AW
1863
Cycadeae: Zamia
Fl. Bras. (Martius) 4(1): 410-416
Eichler, AW
1883
Ein neues Dioon (Dioon spinulosum Dyer.)
Gart.-Zeitung (Berlin) 2: 411-413
Eising, K
2009
Lepidozamia hopei in habitat - Cow Bay, Queensland, Australia
Cycad Newslett. 32(4): 12-14
Eizirik, DL; Kisby, GE
1995
Cycad toxin-induced damage of rodent and human pancreatic beta-cells
Biochem Pharmacol 50(3): 355-65
[Abstract]
Ekue, MRMG, O; Holscher, D; Sinsin, B; Finkeldey, R
2008
Population genetics of the cycad Encephalartos barteri ssp barteri (Zamiaceae) in Benin with notes on leaflet morphology and implications for conservation
Belgian Journal of Botany 141(1): 78-94
[Abstract]
Ellstrand, NC; Ornduff, R; Clegg, JM
1990
Genetic structure of the Australian cycad Macrozamia communis (Zamiaceae).
Amer. J. Bot. 77(5): 677-681
Emshousen, CM, C; Glenn, H
2004
Management of Cycad Aulacaspis Scale, Aulacaspis yasumatsui Takagi
Proc. Fla. State Hort. Soc. 117: 305-307
Erdei, B; Calonje, M; Hendy, A; Espinoza, N
2018
A review of the Cenozoic fossil record of the genus Zamia L. (Zamiaceae, Cycadales) with recognition of a new species from the late Eocene of Panama - evolution
Bulletin of Geosciences 93(2): 185-204
[Abstract]
Erdei, B; Coiro, M; Miller, I; Johnson, KR; Griffith, MP; Murphy, V
2019
First cycad seedling foliage from the fossil record and inferences for the Cenozoic evolution of cycads
Not given 15
Erdei, B; Hendy, AJW; Calonje, M; Espinoza, N
2017
The First Fossil Record of the Genus Zamia L. (Zamiaceae, Cycadales) Evidenced by Epidermal Structure from the Eocene of Panama and Its Comparison with Modern Sp
The Paleontological Society Special Publications 13: 18-18
Can a Botanic Garden Cycad Collection Capture the Genetic Diversity in a Wild Population?
International Journal of Plant Sciences 176(1): 1-10
[Abstract]
Griffith, MP; Calonje, M; Stevenson, DW; Husby, CE; Little, DP
2012
Time, place, and relationships: Cycad phenology in a phylogenetic and biogeographic context
Mem. New York Bot. Gard. 106: 59-81
Griffith, MP; Magellan, TM; Tomlinson, PB
2014
Variation in Leaflet Structure in Cycas (Cycadales: Cycadaceae): Does Anatomy Follow Phylogeny and Geography?
International Journal of Plant Sciences 175(2): 241-255
[Abstract]
Griffith, W
1854
Cycadaceae
Not. Pl. Asiat. 4(1): 1-17
Griffiths, AD; Schult, HJ; Gorman, J
2005
Wild harvest of Cycas arnhemica (Cycadaceae): impact on survival, recruitment and growth in Arnhem Land, northern Australia
Austral. J. Bot. 53(8): 771-779
[Abstract]
Grilli Caiola, M
1990
Structural arrangement of phycobionts in coralloid roots of cycads.
Mem. New York Bot. Gard. 57: 94-99
Grobbelaar, N
1989
Disintegration of Encephalartos megastrobili.
S. African J. Bot. 55(6): 581-585
Grobbelaar, N
1993
Sencescence patterns in the female cones of Encephalartos
Proc. Second Int. Conf. Cycad Biol. : 159-161
Grobbelaar, N
1998
Encephalartos lanatus sex ratio
Encephalartos 53: 8
Grobbelaar, N
1999
Coning frequency, gender ratio and pollination of. Encephalartos transvenosus (Zamiaceae) at the Modjadje Nature Reserve, South Africa and the germination of thi
Biology and Conservarion of Cycads - Proceedings of the Fourth International Con : 309-318
Grobbelaar, N; Hattingh, W; Marshall, JK
1986
The occurrence of coralloid roots on the South African species of the Cycadales and their ability to fix nitrogen symbiotically.
S. African J. Bot. 52: 467-471
Grobbelaar, N; Marshall, JK
1993
Specificity of the cycad-cyanobiont symbiosis
Proc. Second Int. Conf. Cycad Biol. : 162-164
Grobbelaar, N; Scott, WE; Hattingh, W; Marshall, JK
1987
The identification of the coralloid root endophytes of the southern African cycads and the ability of the isolates to fix dinitrogen
S. African J. Bot. 53(2): 111-118
Grove, TS; O' Connell, AM; Malajczuk, N
1980
Effects of fire on the growth, nutrient content and rate of nitrogen fixation in the cycad Macrozamia riedlei
Austral. J. Bot. 28(3): 271-282
[Abstract]
Guan, ZT; Tao, GD
1995
A preliminary report of new cycad from Yunnan
Sichuan Forest. Surv. Design 1995(4): 1
Cycas diannanensis protologue
Gutierrez, KC
2018
What's in a latin name?: Cycas wadei & the politics of nomenclature
Considering evolutionary processes in cycad conservation: identification of evolutionarily significant units within Dioon sonorense (Zamiaceae) in northwestern M
A reassessment of Dioon merolae (Zamiaceae) leads to the description of Dioon salas-moralesae (Zamiaceae), a new cycad species from southeastern Oaxaca, Mexico
Structural Characteristics of Vessels in Three Families of Cycadopsida
Journal of Life Sciences 4(7): 1-15
Huang, YY
2018
Studies of the conservation process and taxonomy of Cycas baiseensis and Cycas debaoensis
Mem. New York Bot. Gard. 117: 504-518
Cycas baiseensis protologue
Huang, YY; Zhong, YC; Lu, ZF
2008
Cycas gracilis Y. Y. Huang Y. C. Zhong et Z. F. Lu, a new species of Cycas from Guangxi
J. Pl. Genet. Resources 9(4): 525-527
Hubbuch, C
1987
Cycads: propagation and container culture
Fairchild Trop. Gard. Bull. 42(3): 5-8
Hubbuch, C
1991
Wings of a dilemma: the atala butterfly
Fairchild Trop. Gard. Bull. 46(3): 20-23
Hurter, PJH
1994
Focus on Encephalartos heenanii
Encephalartos 40: 4-7
Hurter, PJH
1994
Focus on Encephalartos kisambo
Encephalartos 39: 4-8
Hurter, PJH
1995
Two newly described cycads from Africa
Phytologia 78: 409-416
Encephalartos nubimontanus & E. whitelockii
Hurter, PJH; Claassen, I
1996
Focus on Encephalartos nubimontanus
Encephalartos 45: 4-11
Hurter, PJH; Claassen, I
1996
Focus on Encephalartos whitelockii
Encephalartos 48: 4-9
Hurter, PJH; Glen, H
1995
Encephalartos equatorialis (Zamiaceae): a newly described species from tropical Africa
S. African J. Bot. 61(4): 226-229
Hurter, PJH; Glen, H
1996
Encephalartos hirsutus (Zarniaceae): a newly described species from South Africa
S. African J. Bot. 62(1): 46-48
Hurter, PJH; Glen, H
2001
Encephalartos relictus: a new species from Southern Africa
Bothalia 31(2): 197-199
Hurter, PJH; Glen, H; Claassen, I
1997
Focus on Encephalartos hirsutus
Encephalartos 52: 4-7
Hurter, PJH; Whitelock, LM
1998
Focus on Encephalartos schmitzii
Encephalartos 55: 4-8
Hutchinson, J; Rattray, G
1933
Cycadaceae
Fl. Cap. (Harvey) 5(2): 24-44
Ironmonger, B; Ironmonger, S
2003
The Macrozamia heteromera gourp: taxonomy, distribution, and cultivation
Cycad Newslett. 26(3): 12-14
Ironmonger, B; Ironmonger, S
2004
Lepidozamia peroffskyana
Cycad Newslett. 27(1): 12
Ironmonger, B; Ironmonger, S
2004
The butcher's fern - the genus Bowenia
Cycad Newslett. 27(4): 10-11
Ironmonger, B; Ironmonger, S
2006
Macrozamia moorei: in habitat and cultivation
Cycad Newslett. 29(2,3): 14-17
Ironmonger, S
2003
Growing Cycas panzhihuaensis in Southern California
Cycad Newslett. 26(4): 14
Ito-Inaba, Y; Sato, M; Sato, MP; Kurayama, Y; Yamamoto, H; Ohata, M; Ogura, Y; H
2019
Alternative Oxidase Capacity of Mitochondria in Microsporophylls May Function in Cycad Thermogenesis
Plant Physiology (2): 743
Jacquin, N
1789
Observationes botanicae
Collectanea [Jacquin] 3: 167-276
Jacquin, N
1792
Zamia angustifolia
Icon. Pl. Rar. [Jacquin] 3: 20
Jacquin, N
1798
Zamia media
Pl. Rar. Hort. Schoenbr. 3: 77
Jacquin, N
1805
Zamia cycadifolia
Fragm. Bot. 27
Jacquin, N
1805
Zamia horrida
Fragm. Bot. 27
Jacquin, N
1805
Zamia lanuginosa
Fragm. Bot. 28
Jacquin, N
1805
Zamia longifolia
Fragm. Bot. 28
Jayaprakasam, B; Damu, AG; Gunasekar, D; Blond, A; Bodo, B
2000
A biflavanone from Cycas beddomei
Phytochemistry 53(4): 515-517
[Abstract]
Jeyasingh, D
1995
Aphanocapsa Nageli in symbiosis with Cycas beddomei Dyer
Phytomorphology 45(3-4): 247-251
[Abstract]
Jibankumar, K; Singh, R
2012
The ethnobotany of Cycas in the states of Assam and Meghalaya, India
Mem. New York Bot. Gard. 106: 151-164
Johnson, LA
1959
The families of cycads and the Zamiaceae of Australia
Proc. Linn. Soc. New South Wales, ser. 2, 84(1): 64-117
Johnson, LA
1961
Zamiaceae
Contr. New South Wales Natl. Herb., Fl. Ser. 1: 21-41
Johnson, MA
1939
Structure of the shoot apex in Zamia.
Bot. Gaz. 101: 189-203
Johnson, MA
1939
Fascicled roots of Cycas revoluta
Bot. Gaz. 101: 189-203
Johnson, MA
1943
Foliar development in Zamia
Amer. J. Bot. 30: 366-378
Johnson, MA
1944
Zonal structure of the shoot apex in Encephalartos, Bowenia and Macrozamia
Bot. Gaz. 106: 26-33
Johnson, MA
1945
On the shoot apex of the cycads
Torreya 44(3): 52-58
Jones, DL
1991
Notes on Macrozamia Miq. (Zamiaceae) in Queensland with the description of two new species in section Parazamia (Miq.) Miq.
Austrobaileya 3(3): 481-487
Macrozamia fearnsidei & M. lomandroides
Jones, DL
2002
Cycads of the World: ancient plants in today's landscape
Not given
Jones, DL; Forster, PI
1994
Seven new species of Macrozamia section Parazamia (Miq.) Miq. (Zamiaceae section Parazamia) from Queensland
Austrobaileya 4(2): 268-288
Macrozamia conferta, M. cranei, M. crassifolia, M. machinii, M. occidua, M. parcifolia & M. viridis
Jones, DL; Forster, PI; Sharma, IK
2001
Revision of the Macrozamia miquelii (F.Muell.) A.DC. (Zamiaceae section Macrozamia) group
Austrobaileya 6(1): 67-94
Jones, DL; Hill, KD
1992
Macrozamia johnsonii, a new species of Macrozamia section Macrozamia (Zamiaceae) from northern New South Wales
Telopea 5(1): 31-34
Jones, K
1998
Robertsonian fusion and centric fission in karotype evolution of higher plants
Bot. Rev. (Lancaster) 64(3): 273-289
Jones, S; Wynants, J
1997
Encephalartos macrostrobilus (Zamiaceae), a new cycad species from Northern Uganda
Encephalartos 50: 13-17
Joubert, L; Grobbelaar, N; Coetzee, J
1989
In-situ studies of the ultrastructure of the cyanobacteria in the coralloid roots of Encephalartos arenarius, Encephalartos transvenosus and Encephalartos woodii (Cycadales).
Phycologia 28(2): 197-205
Jutta, K.L.Chew & Saw
2010
A new species of Cycas (Cycadaceae) from Peninsular Malaysia
Blumea 55(3): 249-252
Cycas cantafolia
[Abstract]
Jutta, M; Chew, KL; Saw, LG
2010
A new species of Cycas (Cycadaceae) from Peninsular Malaysia
Blumea 55(3): 249-252
[Abstract]
Kanle Satishchandra, N; Geerts, S
2020
Modeling the Distribution of the Invasive Alien Cycad Aulacaspis Scale in Africa Under Current and Future Climate Scenarios
Exploring cycad foliage as an archive of the isotopic composition of atmospheric nitrogen
Geobiology (2): 152
[Abstract]
Klavins, SD; Krings, M; Taylor, E L; Taylor, T N
2005
Coprolites in a Middle Triassic cycad pollen cone: evidence for insect pollination in early cycads?
Evolutionary Ecology Research 7(3): 479-488
[Abstract]
Klavins, SD; Taylor, EL; Krings, M; Taylor, TN
2003
Gymnosperms from the Middle Triassic of Antarctica: the first structurally preserved cycad pollen cone
Int. J. Pl. Sci. 164(6): 1007-1020
Koeleman, A; Small, JGC
1982
A note on callus formation by stem and root tissue of some Encephalartos species
S. African J. Bot. 1(4): 165-166
Kokubugata, G; Hill, KD; Kondo, K
2002
Ribosomal DNA distribution in somatic chromosomes of Stangeria eriopus (Stangeriaceae, Cycadales) and molecular-cytotaxonomic relationships to some other cycad genera.
Brittonia 54(1): 1-5
Kokubugata, G; Kondo, K
1996
Differential fluorescent-banding patterns in chromosomes of 4 species of Cycas (Cycadaceae).
Bot. J. Linn. Soc. 120(1): 51-55
Kokubugata, G; Vovides, AP; Kondo, K
2004
Mapping 5S ribosomal DNA on somatic chromosomes of four species of Ceratozamia and Stangeria eriopus (Cycadales)
Bot. J. Linn. Soc. 145(4): 499-504
Kokubugata, GK, K
1998
Comparative karyotype analysis of Ceratozamia mexicana and Microcycas calocoma (Zamiaceae) using fluorochrome banding (CMA/DAPI) and fluorescence in situ hybridi
Pl. Syst. Evol. 210(1-2): 41-50
[Abstract]
Kokubugata, GK, K; Wilson, G W; Randall, L M; Schans, A van der; Morris, D K
2000
Comparison of karyotype and rDNA-distribution in somatic chromosomes of Bowenia species (Stangeriaceae, Cycadales)
Austral. Syst. Bot. 13(1): 15-20
[Abstract]
Konijnenburg, V
1968
Androstrobus major, a new male Cycad cone from the Jurassic of Yorkshire (England)
Review Palaeobotany & Palynology 7(4): 267-273
Kono, M; Tobe, H
2007
Is Cycas revoluta (Cycadaceae) wind- or insect-pollinated?
Amer. J. Bot. 94: 847-855
Kozik, AR, K M
1996
Comparative study on binding of thiamine related compounds by extracts of seeds of Zea mays, Spinacia oleracea, Picea abies and Cycas revoluta
Plant Physiology & Biochemistry Paris 34(6): 779-786
[Abstract]
Krieg, C; Watkins, JE; Chambers, S; Husby, CE
2017
Sex-specific differences in functional traits and resource acquisition in five cycad species
AoB Plants 9(2): 13
[Abstract]
Kunze, G
1839
Additamentum enumerationis filicum mexicanarum, partim a B. Schiedeo, partim a cl. car. Ehrenbergio aliisque collectarum
Linnaea 13: 129-153
Kurland, LT
1993
Cycas circinalis as an etiologic risk factor in Amyotrophic Lateral Sclerosis andother neurodegenerative diseases on Guam
Proc. Second Int. Conf. Cycad Biol. : 29-36
Kvacek, J
1995
Cycadales and Bennettitales leaf compressions of the Bohemian Cenomanian, Central Europe
Review Palaeobotany & Palynology 84(3-4): 389-412
[Abstract]
Kvacek, Z
2002
A new tertiary Ceratozamia (Zamiaceae, Cycadopsida) from the European oligocene
Flora 197(4): 303-316
[Abstract]
Kvacek, Z
2004
A noteworthy cycad, Ceratozamia hofmannii ETTINGSHAUSEN 1887, from the Lower Miocene of Austria re-examined
Neues Jahrbuch Fur Geologie Und Palaontologie-Monatshefte (2): 111-118
[Abstract]
Kvacek, Z; Manchester, SR
1999
Eostangeria barthel (extinct Cyadales) from the paleogene of western North America ane Europe.
Int. J. Pl. Sci. 160(3): 621-629
Kyoda, S; Setoguchi, H
2010
Phylogeography of Cycas revoluta Thunb. (Cycadaceae) on the Ryukyu Islands: very low genetic diversity and geographical structure
Pl. Syst. Evol. 288(3-4): 177-189
[Abstract]
Ladd, PG; Connell, SW; Harrison, B
1993
Seed toxicity in Marozamia riedlei
Proc. Second Int. Conf. Cycad Biol. : 37-41
Lamb, MA Sister
1923
Leaflets of Cycadaceae
Bot. Gaz. 76: 185-202
Lamont, BB; Ryan, RA
1977
Formation of coralloid roots by cycads under sterile conditions
Phytomorphology 27(4): 426-429
Lan, K-M; Zou, R-F
1983
A new species of Cycas Linn from Guizhou Province.
Acta Phytotax. Sin. 21(2): 209-210
Cycas guizhouensis protologue
Landry, GP
2003
How the scientific description of C. hildae came about
Cycad Newslett. 26(2): 12
Landry, GP; Wilson, MC
1979
A new species of Ceratozamia (Cycadaceae) from San Luis Potosí
Brittonia 31(3): 422-424
Ceratozamia hildae
Lang, WH
1897
Studies in the development and morphology of cycadean sporangia. I. The microsporangia of Stangeria paradoxa.
Ann. Bot. (Oxford) 11(3): 421-438
Lang, WH
1900
Studies in the development and morphology of cycadean sporangia: II. the ovule of Stangeria paradoxa.
Ann. Bot. (Oxford) 14(2): 281-306
Langdon, LM
1920
Stem anatomy of Dioon spinulosum
Bot. Gaz. 70: 110-125
LaRue, CD
1948
Regeneration in the megagametophyte of Zamia floridana
Bull. Torrey Bot. Club 75(6): 597-603
LaRue, CD
1950
Regeneration in Cycas
Amer. J. Bot. 37: 664
Laubenfels, DJ de
1996
C. javana (Miquel) de Laubenfels, comb. nov.
Cycads China : 65-68
Cycas javana protologue
Laubenfels, DJ de
1999
The families of the Cycadaceae
Encephalartos 59: 7-9
Lauterbach, K
1900
Cycadaceae
Fl. Schutzgeb. Südsee : 153-155
Cycas schumanniana protologue
Lavranos, JJ; Goode, D
1985
Encephalartos turneri (Cycadaceae), a new species from Mozambique
Garcia de Orta, Ser. Bot. 7(1-2): 11-14
Encephalartos turneri protologue
Lavranos, JJ; Goode, DL
1988
Notes on Southern African Cycadales
Bull. Jard. Bot. Natl. Belg. 58(1-2): 219-224
Lazcano Lara, J
2007
Ex situ conservation of Microcycas calocoma, Zamia amblyphyllidia, Z. integrifolia, Z. ottonis, and Z. pygmaea germplasm at the National Botanic Garden, Cuba
Mem. New York Bot. Gard. 97: 32-44
Lazcano Lara, J
2007
Notes on Microcycas calocoma
Cycad Newslett. 30(4): 15-17
Leandri, J
1931
Cycadaceae
Flore Genenile de l'Indochine 5(10): 1085-1092
Cycas chevalieri protologue
Leary, RL
1990
Possible early Pennsylvanian ancestor of the Cycadales.
Science 249: 1152-1154
Ledile, TM; Kowiyou, Y; Thendo, M; Munyaradzi, C
2020
The Cycad Genus Cycas May Have Diversified From Indochina and Occupied Its Current Ranges Through Vicariance and Dispersal Events
Frontiers in Ecology and Evolution 8
[Abstract]
Lehmann, JG
1834
De plantis cycadeis, praesertim Africae Australis
Nov. Stirp. Pug. 6: 1-14
Leitch, IJ; Hanson, L; Winfield, M; Parker, J; Bennett, MD
2001
Nuclear DNA C-values complete familial representation in Gymnosperms
Deux especes nouvelles d'Encephalartus (Cycadaceae)
Ill. Hort. 14: 79-81
Leppe, MM
2003
New records of Upper Triassic Cycadales and Cycadeoidales of Biobio river, Chile
Revista Chilena De Historia Natural 76(3): 475-484
[Abstract]
Levine, M
2005
Encephalartos laurentianus - the Kwango giant cycad
Cycad Newslett. 28(3-4): 26-27
Levine, M
2007
Encephalartos turneri - Turner's cycad
Cycad Newslett. 30(2): 11-12
Levine, M; Loewenstein, L
2008
Encephalartos horridus, the Eastern Cape blue cycad
Cycad Newslett. 31(1): 4-7
Li, C-J; Brownson, DM; Mabry, TJ; Perera, C; Bell, EA
1996
Nonprotein amino acids from seeds of Cycas circinalis and Phaseolus vulgaris
Phytochemistry 42(2): 443-445
Li, L; Wang, Z-F; Jian, SG; Zhu, P; Zhang, M; Ye, W-H; Ren, H
2008
Isolation and characterization of microsatellite loci in endangered Cycas changjiangensis (Cycadaceae)
Conservation Genetics 10(3): 793-795
[Abstract]
Life, AC
1901
The tuber-like rootlets of Cycas revoluta
Bot. Gaz. 31: 265-271
Light, KE
1924
The ovule and the development of the female gametophyte of Macrozamia fraseri
Ann. Bot. (Oxford) 38(2): 337-349
Lindblad, P
1990
Nitrogen and carbon metabolism in coralloid roots of cycads
Mem. New York Bot. Gard. 57: 104-113
Lindblad, P; Bergman, B
1987
The Cycas revoluta Nostoc symbiosis: enzyme activities of nitrogen and carbon metabolism in the cyanobiont
The J. General Microbiology : 1695-1699
Lindblad, P; Bergman, B; Hofsten, AV; Hallbom, L; Nylund, JE
1985
The cyanobacterium and Zamia skinneri symbiosis: an ultrastructural study
New Phytol. 101(4): 707-716
Lindblad, P; Haselkorn, R; Bergman, B; Nierzwicki-Bauer, SA
1989
Comparison of DNA restriction fragment length polymorphisms of Nostoc strains in and from cycads
Arch. Microbiol. 152(1): 20-4
[Abstract]
Lindblad, P; Hofsten, AV; Hallbom, L; Nylund, JE
1985
THE CYANOBACTERIUM ZAMIA SYMBIOSIS - AN ULTRASTRUCTURAL-STUDY
New Phytol. 101(4): 707-716
Linden, J
1873
Zamia roezlii
Cat. General 90: 10
Zamia roezlii protologue
Linden, JJ
1897
Neue und emfehlenswerte Pflanzen etc.
Gartenflora 46: 357-359
Lindley, J
1843
Dion edule
Edwards's Bot. Reg. 29: 59-60
Lindström, AJ
2009
Typification of some species names in Zamia L. (Zamiaceae), with an assessment of the status of Chigua D. Stev.
Taxon 58(1): 265-270
Lindström, AJ
2010
Taxonomy, nomenclature, biogeography, morphology, ethnobotany, and conservation status of Zamia lindenii Regel ex André
Cycad Newslett. 33(4): 8-11
Lindström, AJ
2012
International Union for Conservation of Nature (IUCN)/Species Survival Commission (SSC) Cycad Specialist Group Ex Situ Conservation and Recovery Programme (CSG- ECRP)
Mem. New York Bot. Gard. 106: 9-19
Lindström, AJ; Calonje, M; Stevenson, DW; Husby, C; Taylor, A
2013
Clarification of Zamia acuminata and a new Zamia species from Coclé Province, Panama
Phytotaxa 98(2): 27-42
Zamia nana protologue
Lindström, AJ; Hill, KD
2002
Notes on the species of Cycas (Cycadaceae) from Sri Lanka and islands of the Andaman Sea
Novon 12(2): 237-240
Lindström, AJ; Hill, KD
2003
New species and a new record of Cycas (Cycadaceae) from Thailand
Brittonia 54(4): 298-304
Protologue descriptions(s): Cycas petraea and C. elephantipes
Lindström, AJ; Hill, KD
2007
The genus Cycas (Cycadaceae) in India
Telopea 11(4): 463-488
Lindström, AJ; Hill, KD; Stanberg, L
2008
The genus Cycas (Cycadaceae) in The Philippines
Telopea 12(1): 119-145
Lindström, AJ; Hill, KD; Stanberg, L
2009
The genus Cycas (Cycadaceae) in Indonesia
Telopea 12(3): 385-418
Lindström, AJ; Idárraga-Piedrahita, A
2009
Zamia incognita (Zamiaceae): the exciting discovery of a new gymnosperm from Colombia
Phytotaxa 2: 29-34
Linnaeus, C
1753
Palmae Pennatifoliae. Cycas
Sp. Pl. 2 : 1188
Cycas circinalis protologue
Linnaeus, C
1763
Palmae pennatifoliae
Sp. Pl. 2 2: 1658-1659
Linnaeus, C
1789
Palmae Pennatifoliae. Zamia.
Hort. Kew. (W. Aiton) 3: 477-479
Zamia furfuracea and Z. integrifolia protologues
Litz, RE; Chavez, VM
1995
Somatic embryogenesis of leaf callus derived from mature trees of the Cycad Ceratozamia hildae (Gymnospermae)
Plant Cell Tissue and Organ Culture : 25-31
[Abstract]
Litz, RE; Moon, PA; Benson, EM; Stewart, J; Chavez, VM
2004
A biotechnology strategy for long term preservation of cycads.
Bot. Rev. (Lancaster) 70(1): 39-46
Liu, G-f; Deng, T-x; Lin, Z; Yang, SY
1993
The root nodules and nitrogen fixation in Cycas panzhihuaensis
Proc. Second Int. Conf. Cycad Biol. : 165-168
Liu, J; Gong, X; Lindström, AJ
2019
Characterization of the complete chloroplast genome of Microcycas calocoma (Zamiaceae), an Endangered monotypic cycad species from Cuba
Mitochondrial DNA Part B: Resources 4(2): 3695-3697
Liu, J; Zhou, W; Gong, X
2015
Species delimitation, genetic diversity and population historical dynamics of Cycas diannanensis (Cycadaceae) occurring sympatrically in the Red River region of China
Front. Plant Sci. 6(696): 1-15
Liu, N
1998
A new species of the genus Cycas from Hainan Island, China
Acta Phytotax. Sin. 36(6): 552-554
Cycas changjiangensis protologue
Liu, N
2007
Distribution and type locality of Cycas taiwaniana
Acta Phytotax. Sin. 45(2): 246-250
[Abstract]
Liu, N; Qin, G
2004
Notes on some species of Cycas (Cycadaceae) from China
Proc. Sixth Int. Conf. Cycad Biol. : 1-4
New combination(s): Cycas szechuanensis subsp. fairylakea, C. hainanensis subsp. changjiangensis
Loconte, H
1993
The interpretation of the stem lineage of the Cycadales
Proc. Second Int. Conf. Cycad Biol. : 260-262
Loewenstein, L
2008
Thorny thoughts from a cycad novice
Cycad Newslett. 31(1): 10
López-Gallego, C; López-Alvarez, N
2007
A rescue, propagation and reintroduction program for one of the most endangered cycad genera: Chigua in northwestern Colombia
Cycad Newslett. 30(4): 34-35
Loureiro, J de
1790
Flora Cochinchinensis, 2nd ed
Fl. Cochinch. 2: 632
Cycas inermis protologue
Lucas-González, JL; Flores-Vázquez, JC
2012
Seed germination of Dioon merolae, a cycad of Oaxaca, México, under different irrigation treatments
Mem. New York Bot. Gard. 106: 93-101
Lundell, CL
1939
Studies of Mexican and Central American Plants VII (Ceratozamia matudai sp. nov.)
Lloydia 2(2): 75-76
Ma, Y; Wang, B; Zhou, GM; Yu, S Q; Peng, S L; Hao, YQ; Wei, XH; Liu, J; Yu, Z X
2009
CARBON STORAGE OF CYCAD AND OTHER GYMNOSPERM ECOSYSTEMS IN CHINA: IMPLICATIONS TO EVOLUTIONARY TRENDS
Polish Journal of Ecology 57(4): 635-646
[Abstract]
Maconochie, JR
1978
Two new species of Cycas from Northern Australia
J. Adelaide Bot. Gard. 1(3): 175-178
Cycas calcicola & Cycas pruinosa
Madulid, DA; Agoo, EM
2005
A New Species of Cycas (Cycadaceae) from the Philippines
Blumea 50(3): 519-522
Cycas zambalensis
[Abstract]
Malaisse, F
1969
Encephalartos schmitzii Malaisse, Cycadacée nouvelle du Congo-Kinshasa
Bull. Jard. Bot. Natl. Belg. 39(4): 401-406
Malaisse, F; Sclavo, JP; Crosiers, C
1992
Recherches sur les Encephalartos (Zamiaceae) dAfrique centrale
Ann. Gembloux 98(2): 153-157
Encephalartos delucanus protologue
Malaisse, F; Sclavo, JP; Crosiers, C
1993
Recherches sur les Encephalartos Lehm. (Zamiaceae) d'Afrique centrale 2. Apport de la morphologie foliaire dans la différenciation spécifique
Bull. Jard. Bot. Natl. Belg. 62: 205-219
Malaisse, F; Sclavo, JP; Turner, I
1990
Zamiaceae, a new family for Zambia
Mem. New York Bot. Gard. 57: 162-168
Encephalartos schmitzii range extension
Maldonado-Ruiz, MF; Flores-Vázquez, JC
2012
Entomofauna asociada a Dioon sp. nov. y actividad de los insectos polinizadores en San Jerónimo Taviche, Oaxaca, México
Mem. New York Bot. Gard. 106: 295-301
Mamay, SH
1969
Cycads: fossil evidence of late Paleozoic origin
Science 164
Mamay, SH
1973
Archaeocycas and Phasmatocycas; new genera of Permian Cycads
J. Research US Geological Survey 1(6): 687-689
Marler, PN; Marler, TE
2015
An Assessment of Red List Data for the Cycadales
Tropical Conservation Science 8(4): 1114-1125
[Abstract]
Marler, TE
1997
Leaf gas-exchange characteristics of sixteen cycad species
Journal of the American Society for Horticultural Science 122(1): 38-42
[Abstract]
Marler, TE
2004
Leaf physiology of shade-grown Cycas micronesica leaves following removal of shade
Bot. Rev. (Lancaster) 70(1): 63-71
[Abstract]
Marler, TE
2004
Leaf physiology of shade-grown Cycas micronesica leaves following removal of shade.
Bot. Rev. (Lancaster) 70(1): 63-71
Marler, TE
2007
Age influences photosynthetic capacity of Cycas micronesica leaves
Mem. New York Bot. Gard. 97: 194-203
Marler, TE
2010
Cycad mutualist offers more than pollen transport
Amer. J. Bot. 97(5): 841-5
[Abstract]
Marler, TE
2012
Cycad aulacaspis scale invades the Mariana Islands
Mem. New York Bot. Gard. 106: 20-35
Marler, TE
2012
Cycad Aulacaspis scale invades the Mariana Islands
Mem. New York Bot. Gard. 106: 20-35
Marler, TE; Calonje, M
2020
Two cycad species affect the carbon, nitrogen, and phosphorus content of soils
Horticulturae 6(2)
Marler, TE; Cascasan, ANJ
2018
Carbohydrate Depletion during Lethal Infestation ofAulacaspis yasumatsui on Cycas revoluta
International Journal of Plant Sciences 179(6): 497-504
[Abstract]
Marler, TE; Cruz, GN
2019
Source and Sink Relations Mediate Depletion of Intrinsic Cycad Seed Carbohydrates by Aulacaspis yasumatsui Infestation
Not given 54: 1712-1717
Marler, TE; Dongol, N
2016
Three invasive insects alter Cycas micronesica leaf chemistry and predict changes in biogeochemical cycling
Commun Integr Biol 9(5)
[Abstract]
Marler, TE; Hirsch, H
1998
Guams Cycas micronesica populations ravaged by supertyphoon Paka
HortScience 33(7): 1116-1119
Marler, TE; Lawrence, JH
2012
Demography of Cycas micronesica on Guam following introduction of the armoured scale Aulacaspis yasumatsui
Journal of Tropical Ecology 28(3): 233-242
[Abstract]
Marler, TE; Lee, V; Chung, J; Shaw, CA
2006
Steryl glucoside concentration declines with Cycas micronesica seed age
Funct Plant Biol 33(9): 857-862
[Abstract]
Marler, TE; Lee, V; Shaw, CA
2005
Cycad toxins and neurological diseases in Guam: defining theoretical and experimental standards for correlating human disease with environmental toxins
HortScience 40(6): 1598-1606
Marler, TE; Lee, V; Shaw, CA
2005
Spatial variation of steryl glucosides in Cycas micronesica plants: Within- and among-plant sampling procedures
HortScience 40(6): 1607-1611
Marler, TE; Lee, V; Shaw, CA
2007
Storage does not influence steryl glucoside concentration in Cycas micronesica seeds
HortScience 42(3): 626-628
Marler, TE; Moore, A
2010
Cryptic Scale Infestations on Cycas revoluta Facilitate Scale Invasions
HortScience 45(5): 837-839
[Abstract]
Marler, TE; Shaw, CA
2010
Distribution of free and glycosylated sterols within Cycas micronesica plants
Sci Hortic (Amsterdam) 123(4): 537
[Abstract]
Marler, TE; Snyder, LR; Shaw, CA
2010
Cycas micronesica (Cycadales) plants devoid of endophytic cyanobacteria increase in beta-methylamino-L-alanine
A novelty in Ceratozamia (Zamiaceae, Cycadales) from the Sierra Madre del Sur, Mexico: Biogeographic and morphological patterns, DNA barcoding and phenology
Ceratozamia oliversacksii (Zamiaceae), a new species of gymnosperm from western Oaxaca, Mexico
Kew Bull. : 1-9
Ceratozamia oliversacksii protologue
Martinez-Lendech, NC-A, A; Serrano-Meneses, M A
2007
Body size and fat reserves as possible predictors of male territorial status and contest outcome in the butterfly Eumaeus toxea Godart (Lepidoptera : Lycaenidae)
Journal of Ethology 25(2): 195-199
[Abstract]
Masters, MT
1868
The Ghent International Exhibition
Gard. Chron. 25(14): 348-350
Masters, MT
1877
Macrozamia mackenzii
Gard. Chron., n.s. 7(178): 665
Masters, MT
1878
New garden plants
Gard. Chron., n.s. 10: 810-811
McConnell, J
2004
Cyanobacteria, cycads, Chiroptera, and the Chamorro
Lancet Infectious Diseases 4(7): 391-391
McDaniel, I
2002
Cycad focus: Encephalartos arenarius
Cycad Newslett. 25(4): 14-15
McDaniel, I
2004
Growing Zamia splendens in California
Cycad Newslett. 27(2): 11
McDaniel, I
2005
Notes on Zamia pygmaea
Cycad Newslett. 28(1): 11
McVaugh, R; Pérez de la Rosa, JA
1992
Dioon edule var sonorense
Fl. Novo-Galiciana 17: 112-114
Medeghini-Bonatti, P; Baroni-Fornasiero, R
1990
Developmental pattern and structural organization of leaf chloroplasts in Lepidozamia peroffskyana.
Austral. J. Bot. 38(1): 53-62
[Abstract]
Medeghini-Bonatti, P; Sabato, S
1984
Plastid ultrastructure in leaves of Macrozamia moorei (Zamiaceae).
Caryologia 37(1-2): 133-140
Medellín-Leal, F
1963
A new species of Ceratozamia from San Luis Potosí
Brittonia 15(2): 175-176
Ceratozamia zaragozae
Medina-Villarreal, A; Gonzalez-Astorga, J; Espinosa de Los Monteros, A
2019
Evolution of Ceratozamia cycads: A proximate-ultimate approach
Mol Phylogenet Evol 139
[Abstract]
Meerow, AW; Francisco-Ortega, J; Ayala-Silva, T; Stevenson, DW; Nakamura, K
2012
Population genetics of Zamia in Puerto Rico, a study with ten SSR loci
Mem. New York Bot. Gard. 106: 204-223
Meerow, AW; Francisco-Ortega, J; Calonje, M; Griffith, MP; Ayala-Silva, T; Steve
2012
Zamia (Cycadales: Zamiaceae) on Puerto Rico: asymmetric genetic differentiation and the hypothesis of multiple introductions
Amer. J. Bot. 99(11): 1828-39
[Abstract]
Meerow, AW; Nakamura, K
2007
Ten microsatellite loci from Zamia integrifolia (Zamiaceae)
Contrasting Demographic History and Population Structure of Zamia (Cycadales: Zamiaceae) on Six Islands of the Greater Antilles Suggests a Model for Population D
International Journal of Plant Sciences 179(9): 730-757
The Neurotoxic Effects of Cycads and Metals: A Review
Not given
[Abstract]
Monson, C; Cox, PA
2003
Conservation implications of Chamorro consumption of flying foxes as a possible cause of amyotrophic lateral sclerosis-Parkinsonism dementia complex in Guam
Conservation Biology 17(3): 678-686
[Abstract]
Moon, PA; Litz, RE; Chavez, VM
2004
Effect of gelling agent on growth and development of Ceratozamia hildae somatic embryos.
Intraspecific chromosome variants in Zamia (Zamiaceae, Cycadales).
Caryologia 44(1): 1-10
Moretti, A; De Luca, P; Sclavo, JP; Stevenson, DW
1989
Encephalartos voiensis (Zamiaceae), a new East Central African species in the E. hildebrandtii complex
Ann. Missouri Bot. Gard. 76(3): 934-938
Moretti, A; Sabato, S
1988
Systematics and evolution of Dioon and Ceratozamia
Fairchild Trop. Gard. Bull. 43(1): 22-28
Moretti, A; Sabato, S; Siniscalco Gigliano, G
1981
Distribution of macrozamin in Australasian cycads.
Phytochemistry 20(6): 1415-1416
Moretti, A; Sabato, S; Siniscalco Gigliano, G
1983
Taxonomic significance of methylazoxymethanol glycosides in the cycads
Phytochemistry 22(1): 115-117
Moretti, A; Sabato, S; Vázquez-Torres, M
1982
The rediscovery of Ceratozamia kuesteriana (Zamiaceae) in Mexico
Brittonia 34(2): 185-188
Mound, LA; Terry, I
2001
Thrips pollination of the Central Australian cycad, Macrozamia macdonnellii (Cycadales).
Int. J. Pl. Sci. 162(1): 147-154
Moynihan, J; Meerow, AW; Francisco-Ortega, J
2006
Isolation, characterization and cross-species amplification of microsatellite loci in the cycad genus Dioon (Zamiaceae). Potential utilization in population gene
A character-based approach in the Mexican cycads supports diverse multigene combinations for DNA barcoding
Cladistics 27(2): 150-164
[Abstract]
Nicolalde-Morejón, F; Vergara-Silva, F; Vovides, AP
2011
Systematic perspectives on Zamia (Zamiaceae) in Megamexico: from alpha taxonomy to genetic barcodes
Revista Mex. Biodivers. 82(2): 341-355
[Abstract]
Nicolalde-Morejón, F; Vovides, AP; Stevenson, DW
2009
Taxonomic revision of Zamia in Mega-Mexico
Brittonia 61(4): 301-335
Nicolalde-Morejón, F; Vovides, AP; Stevenson, DW; Sosa, V
2008
The identity of Zamia katzeriana and Z. verschaffeltii (Zamiaceae)
Brittonia 60(1): 38-48
[Abstract]
Niklas, KJ; Cobb, ED; Marler, TE
2006
A comparison between the record height-to-stem diameter allometries of pachycaulis and leptocaulis species.
Ann. Bot. (Oxford), n.s. 97(1): 79-83
Niklas, KJ; Marler, TE
2008
Sex and Population Differences in the Allometry of an Endangered Cycad Species,Cycas micronesica(Cycadales)
International Journal of Plant Sciences 169(5): 659-665
[Abstract]
Niklas, KJ; Norstog, K
1984
Aerodynamics and pollen grain depositional patterns on cycad megastrobili - Implications on the reproduction of three cycad genera (Cycas. Dioon, and Zamia)
Bot. Gaz. 145(1): 92-104
Nishida, MY; Nishida, H
1996
Cretocycas yezonakajimae gen et sp nov, a permineralized Cycad petiole from the Upper Cretaceous of Hokkaido
J. Japanese Botany 71(4): 223-230
[Abstract]
Noe, AC
1921
Cycad like leaves from the Permian of Texas
Geological Soc. America Bull. 32(1): 134
Norstog, K
1965
Induction of apogamy in megagametophytes of Zamia integrifolia
Amer. J. Bot. 52(10): 993-999
Norstog, K
1967
Fine structure of the spermatozoid of Zamia with special reference to the flagellar apparatus
Amer. J. Bot. 54(7): 831-840
Norstog, K
1972
Role of archegonial neck cells of Zamia and other cycads
Phytomorphology 23(2): 125-130
Norstog, K
1977
The spermatozoid of Zamia chigua Seem.
Bot. Gaz. 138(4): 409-412
Norstog, K
1981
Karyotypes of Zamia chigua (Cycadales).
Caryologia 34(3): 255-260
Norstog, K
1986
The blepharoplast of Zamia pumila L..
Bot. Gaz. 147(1): 40-46
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
Norstog, K; Fawcett, PKS
1989
Insect-cycad symbiosis and its relation to the pollination of Zamia furfuracea (Zamiaceae) by Rhopalotria mollis (Curculionidae).
Amer. J. Bot. 76(9): 1380-1394
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
Norstog, K; Nicholls, TJ
1997
The biology of the cycads
Norstog, K; Rhamstine, E
1967
Isolation and culture of haploid and diploid cycad tissues
Phytomorphology 17: 374-381
Norstog, K; Stevenson, DW
2004
Comparative development of the spermatozoids of cycads and Ginkgo biloba
Bot. Rev. (Lancaster) 70(1): 5-15
[Abstract]
Norstog, K; Vovides, AP
1992
Beetle pollination of two species of Zamia: evolutionary and ecological considerations
Paleobotanist 41: 149-158
Nunn, PB; Ponnusamy, M
1993
a-Amino-B-methylaminopropionic acid: a neurotoxin from Cycas species
Proc. Second Int. Conf. Cycad Biol. : 51-56
O'Brien C, W; Tang, W
2015
Revision of the New World cycad weevils of the subtribe Allocorynina, with description of two new genera and three new subgenera (Coleoptera: Belidae: Oxycorynin
Zootaxa 3970(1): 1-87
[Abstract]
Obukowicz, M; Schaller, M; Kennedy, GS
1987
Ultrastructure and phenolic histochemistry of the Cycas revoluta - Anabaena symbiosis
New Phytol. 87(4): 751-760
Octavio-Aguilar, P; Gonzalez-Astorga, J; Vovides, AP
2009
Genetic diversity through life history of Dioon edule Lindley (Zamiaceae, Cycadales)
Plant Biol (Stuttg) 11(4): 525-36
[Abstract]
Octavio-Aguilar, P; Vovides, AP
2008
Population dynamics of the Mexican cycad Dioon edule Lindl. (Zamiaceae): life history stages and management impact
Bot. J. Linn. Soc. 157(3): 381-391
[Abstract]
Okajima, S
2000
The first Cycad associated thrips in the family Phlaeothripidae, Stomothrips cycasi, gen et sp nov (Thysanoptera)
Inertebrate Taxonomy 14(5): 705-708
[Abstract]
Olson, K; Gorelick, R
2011
Chromosomal fission accounts for small-scale radiations in Zamia (Zamiaceae; Cycadales)
Bot. J. Linn. Soc. 165(2): 168-185
[Abstract]
Ornduff, R
1985
Male-biased sex ratios in the cycad Macrozamia riedlei (Zamiaceae)
Bull. Torrey Bot. Club 112(4): 393-397
Ornduff, R
1989
Size distribution and coning behavior of the Australian cycad Lepidozamia peroffskyana
Austral. J. Ecol. 14(2): 241-246
Ornduff, R
1990
Geographic variation in reproductive behaviour and size structure of the Australian cycad Macrozamia communis (Zamiaceae).
Amer. J. Bot. 77(1): 92-99
Ornduff, R
1991
Size classes, reproductive behavior, and insect associates of Cycas media (Cycadaceae) in Australia.
Bot. Gaz. 152(2): 203-207
Ornduff, R
1992
Features of coning and foliar phenology, size classes , and insect associates of Cycas armstrongii (Cycadaceae) in the Northern Territory, Australia
Bull. Torrey Bot. Club 119(1): 39-43
Ornduff, R
1993
Features of the reproductive biology of Macrozamia species and Cycas media in Australia
Proc. Second Int. Conf. Cycad Biol. : 121-124
Ornduff, R
1996
Gender performance in a cultivated cohort of the cycad Zamia integrifolia (Zamiaceae).
Amer. J. Bot. 83(8): 1006-1015
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
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
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 cycadscases, 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
Ouyang, H; Zhang, SZ; Li, N; Wu, H
2004
Microsporogenesis of Cycas elongata and its systematic implication
Acta Phytotax. Sin. 42(6): 500-512
[Abstract]
Pan, M; Mabry, TJ; Beale, JM; Mamiya, BM
1997
Nonprotein amino acids from Cycas revoluta
Phytochemistry 45(3): 517-519
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
Pant, DD
1997
The aerophoric nature of the pinna base humps of Macrozamia
Phytomorphology 47(4): 345-351
[Abstract]
Pant, DD; Das, K
1990
Occurrence of non-coralloid aerial roots in Cycas.
Mem. New York Bot. Gard. 57: 56-62
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
Papadopolous, S
1928
A morphological comparision of leaflets of a hybrid cycad and the two parents.
Bot. Gaz. 85: 30-45
Passalia, MG; Del Fueyo, G; Archangelsky, S
2010
An Early Cretaceous zamiaceous cycad of South West Gondwana: Restrepophyllum nov. gen. from Patagonia, Argentina
A study on seed germination of the cycad Dioon merolae (Zamiaceae).
New Plantsman 6(4): 214-218
Pérez-Farrera, MA; Vovides, AP; Avendaño, S
2014
Morphology and leaflet anatomy of the Ceratozamia norstogii (Zamiaceae, Cycadales) species complex in Mexico with comments on relationships and speciation
International Journal of Plant Sciences 175: 110-121
Estimation of genetic variation in closely related cycad species in Ceratozamia (Zamiaceae: Cycadales) using rapds markers / Variación genética en especies de cí
Revista de Biología Tropical 65(1): 303-319
[Abstract]
Pérez-Farrera, MA; Vovides, AP; González, D; Sandoval, LH; Martínez, M
2007
Variación morfológica y genética del complejo Ceratozamia miqueliana H.A. Wendl. (Cycadales, Zamiaceae)
Mem. New York Bot. Gard. 97: 519-541
Pérez-Farrera, MA; Vovides, AP; Iglesias, CG
1999
A new species of Ceratozamia (Zamiaceae, Cycadales) from Chiapas, Mexico
Novon 9(3): 410-413
Ceratozamia alvarezii
Pérez-Farrera, MA; Vovides, AP; Iglesias, CG
2001
The cycad Ceratozamia norstogii D.W. Stev. (Zamiaceae) from southern Mexico: New information on distribution, habitat and vegetative morphology.
Descriptiones plantarum novarum et minus cognitarum in regionibus Turkestanicis a Cl. P. et O. Fedschenko, Korolkow, Kuschakewicz et Krause collectis : Cum adnotationibus ad plantas vivas in Horto Imperiali Botanico Petropolitano cultas
Trudy Imp. S.-Peterburgsk. Bot. Sada 3: 97-168
Regel, EA
1875
Encephalartos Verschaffelti Rgl.; die Cycadeen unserer Gärten
Gartenflora 24: 35-43
Regel, EA
1876
Cycadearum generum specierumque revisio
Trudy Imp. S.-Peterburgsk. Bot. Sada 4(4): 275-320
Regel, EA
1876
Lepidozamia denisoni Rgl.
Gartenflora 25: 3-6
Regel, EA von
1876
Die Cycadeen deren Gattungen und Arten
Gartenflora 25: 3-6
Lepidozamia hopei protologue
Rettig, E
1896
Zamia katzeriana Rettig (Ceratozamia Rgl.)
Gartenflora 45: 148-149
Reynolds, LG
1924
Female gametophyte of Microcycas
Bot. Gaz. 77: 391-403
Richardson, PM
1990
Flavonoid chemistry and the taxonomy of cycads.
Mem. New York Bot. Gard. 57: 132-141
Rinaldi, LMR
2005
Evaluation of Different Factors on Regeneration of Plantlets from Embryos of Cycas revoluta Thunb.
HortScience 40(4): 1052
Rinaldi, LMR; Margher, MC; Ena, A
2005
Fertilizer-N effects on Cycas-Nostoc symbiosis.
HortScience 40(4): 1061
Roach, JF; John, C
1993
Cycads in the Adelaide Botanic Garden
Proc. Second Int. Conf. Cycad Biol. : 352-353
Robbertse, H
1995
Leaves on cycad cones
Encephalartos 43: 27-30
Robbertse, PJ; Claassen, I; Schoonraad, E
1988
A note on auxotelic cones and basitonic branching in Encephalartos
S. African J. Bot. 54(4): 394-396
Robbertse, PJ; Vorster, PJ; Van der Westhuizen, S
1988
Encephalartos graniticolus (Zamiaceae): a new species from the north-eastern Transvaal
S. African J. Bot. 54(4): 363-366
Robbertse, PJ; Vorster, PJ; Van der Westhuizen, S
1988
Encephalartos verrucosus (Zamiaceae): a new species from the north-eastern Transvaal
S. African J. Bot. 54(5): 487-490
Robbertse, PJ; Vorster, PJ; Van der Westhuizen, S
1989
Encephalartos middelburgensis (Zamiaceae): a new species from the Transvaal
S. African J. Bot. 55(1): 122-126
Rodigas, É
1886
Cycas bellefonti [bellefontii]
Ill. Hort. 33: 27
Rodkiewicz, B; Bednara, J; Kuras, M; Mostowska, A
1988
Organelles and cell walls of microsporocytes in a cycad Stangeria during meiosis I.
Phytomorphology 38(2-3): 99-110
Rodkiewicz, B; Bednara, J; Mostowska, A; Duda, E; Stobiecka, H
1986
The change in disposition of plastids and mitochondria during microsporogenesis and sporogenesis in some higher plants.
Acta Bot. Neerl. 35(3): 209-216
Roodt, D; Lohaus, R; Sterck, L; Swanepoel, RL; Van de Peer, Y; Mizrachi, E
2017
Evidence for an ancient whole genome duplication in the cycad lineage
PLoS One 12(9): 1-8
[Abstract]
Rose, JN
1909
Studies of Mexican and Central American plants No. 6: a new species of Dioon
Contr. U.S. Natl. Herb. 12(7): 260-261
Dioon purpusii protologue
Rose, JN
1909
Studies of Mexican and Central American plants-No. 6 (Cycadaceae, a new species of Dioon)
Contr. U.S. Natl. Herb. 12(7): 259-261
Dioon purpusii
Rothschild, M
1992
Egg protection by the Atala Hairstreak butterfly (Eumaeus atala florida).
Phytochemistry 31(6): 1959-1960
Rothschild, M; Nash, RJ; Bell, EA
1986
Cycasin in the endangered butterfly Eumaeus atala florida
Phytochemistry 25(8): 1853-1854
Rousseau, P; Vorster, PJ; Afonso, AV; Van Wyk, AE
2015
Taxonomic notes on Encephalartos ferox (Cycadales: Zamiaceae), with the description of a new subspecies from Mozambique
Phytotaxa 204(2): 99-115
Roxburgh, W
1832
Cycas
Fl. Ind. (Roxburgh) 3: 744-749
Cycas sphaerica protologue
Roxburgh, W
1832
Cycas
Fl. Ind. (Roxburgh) 3: 747
Sabato, S
1990
West Indian and South American ccyads.
Mem. New York Bot. Gard. 57: 173-185
Sabato, S; De Luca, P
1985
Evolutionary trends in Dion (Zamiaceae).
Amer. J. Bot. 72(9): 1353-1363
Said Gutierrez-Ortega, J; Yamamoto, T; Vovides, AP; Pérez-Farrera, MA; Martinez,
2018
Aridification as a driver of biodiversity: a case study for the cycad genus Dioon (Zamiaceae)
Shifting Quaternary migration patterns in the Bahamian archipelago: Evidence from the Zamia pumila complex at the northern limits of the Caribbean island biodive
Phylogeny of the cycads based on multiple single-copy nuclear genes: congruence of concatenated parsimony, likelihood and species tree inference methods
Cycad-induced neurodegeneration in a mouse model of ALS-PDC: is the culprit really BMAA, or is a novel toxin to blame?
Mem. New York Bot. Gard. 97: 286-307
Shen, C-F; Hill, KD; Tsou, C-H; Chen, C-J
1994
Cycas taitungensis C.F. Shen, K.D. Hill, C.H. Tsou & C.J. Chen, sp. nov. (Cycadaceae), a new name for the widely known cycad species endemic in Taiwan.
Bot. Bull. Acad. Sin. 35(2): 133-140
Cycas taitungensis protologue
Sifton, HB
1915
On the occurrence and significance of 'bars' or 'rims' of Sanio in the cycads.
Bot. Gaz. 60: 400-405
Sifton, HB
1920
Some characters of xylem tissue in cycads.
Bot. Gaz. 70: 425-435
Simons, P
1993
Why Cycad sex is hot and sticky
New Scientist 138: 16
[Abstract]
Sims, J
1815
Zamia pygmaea. Least Zamia
Bot. Mag. 42: 1741
Sims, J
1815
Zamia pygmaea. Least Zamia.
Bot. Mag. 41: 1741
Zamia pygmaea protologue
Singh, LJ
2017
Cycas dharmrajiisp. nov. (Cyadaceae) from Andaman and Nicobar Islands, India
Nordic J. Bot. 35(1): 69-76
[Abstract]
Singh, R
1997
On the occurrence of lenticels in seeds of Cycas L
Phytomorphology : 325-331
[Abstract]
Singh, R; Radha, P
2006
A new species of Cycas from the Malabar Coast, Western Ghats, India
Brittonia 58(2): 119-123
Cycas annaikalensis
Singh, R; Radha, P
2008
A new species of Cycas (Cycadaceae) from Karnataka, India
Bot. J. Linn. Soc. 158(3): 430-435
Cycas swamyi
Singh, R; Radha, P; Khuraijam, JS
2015
A new species, a new combination and a new subsection of Cycas from Odisha, northern Eastern Ghats of India
Asian J. Conserv. Biol. 4(1): 3-14
Cycas nayagarhensis and C. orixensis protologues
Singh, R; Radha, P; Sharma, P
2007
Cycas annaikalensis from the Western Ghats of India with a discussion of the specific limits of Cycas circinalis L.
Mem. New York Bot. Gard. 97: 542-556
Siniscalco Gigliano, G; Cozzolino, S; Aceto, S; Gaudio, L
1996
Effects of Encephalartos altensteinii Lehm. extracts and methylazoxymethanol (MAM) on erythroid commitment in mouse erythroleukemia (MEL) cells.
Guam amyotrophic lateral sclerosis-parkinsonianism-dementia linked to a plant exictant neurotoxin
Science 237: 517-522
[Abstract]
Spendlove, E
1990
Bill Branson's petrified Cycads
Rock & Gem 20(12): 76-80
Spratt, ER
1911
Some observations on the life-history of Anabaena cycadeae
Ann. Bot. (Oxford) 25(2): 369-380
Spratt, ER
1915
The root nodules of the Cycadaceae
Ann. Bot. (Oxford) 29(4): 618-626
Srivastava, PC; Chauhan, DK
2004
A strange branching cycad: Cycas circinalis var. swamyii Pant
Cycad Newslett. 27(1): 5-7
Srivastava, RC
2014
A new species of Cycas from India
Indian J. Pl. Sci. [Jaipur] 3(1): 109-110
Srivastava, RC
2014
A new species of Cycas from India
Indian J. Pl. Sci. [Jaipur] 3(1): 109-110
Cycas sainathii
Srivastava, RC
2014
Notes on green diamonds of AJC Bose Indian botanic garden Howrah
Indian J. Pl. Sci. [Jaipur] 3(2): 151-153
Srivastava, RC; Singh, LJ
2015
A new species of Indian Cycas
Int. J. Curr. Res. Biosci. Plant Biol. 2(8): 35-37
Staff, IA; Ahern, CP
1993
Symbiosis in cycads with special reference to Macrozamia communis
Proc. Second Int. Conf. Cycad Biol. : 200-210
Standley, PC
1924
New species of plants from Salvador. III
J. Wash. Acad. Sci. 14(4): 93-99
Protologue(s): Zamia herrerae
Standley, PC; Williams, LO
1950
Dioon mejiae, a new cycad from Honduras
Ceiba 1(1): 36-38
Stapf, O; Burtt-Davy, J
1926
Encephalartos laevifolius
Man. Pl. Transvaal [Burtt Davy] 1: 97-99
Encephalartos laevifolius protologue
Stapf, O; Burtt-Davy, J
1926
Encephalartos lanatus
Man. Pl. Transvaal [Burtt Davy] 1: 40
Encephalartos lanatus protologue
Sternberg, P
2011
Encephalartos lehmanii in the Wild
Cycad Newslett. 34(4): 11-15
Stevenson, DW
1980
Observations on root and stem contractions in cycads (Cycadales) with special reference to Zamia pumila L
Bot. J. Linn. Soc. 81(4): 275-281
Stevenson, DW
1980
Radial growth in the Cycadales
Amer. J. Bot. 67(4): 465-475
Stevenson, DW
1981
Observations on ptyxis, phenology and trichomes in the Cycadales and their systematic implications.
Amer. J. Bot. 68(8): 1104-1114
Stevenson, DW
1982
A new species of Ceratozamia (Zamiaceae) from Chiapas, Mexico
Brittonia 34(2): 181-184
Ceratozamia norstogii
Stevenson, DW
1985
A proposed classification of the Cycadales
Amer. J. Bot. 72: 971-972
Stevenson, DW
1985
Distribution and systematics of Ceratozamia (Zamiaceae).
Amer. J. Bot. 72: 972
Stevenson, DW
1987
Again the West Indian zamias
Fairchild Trop. Gard. Bull. 42(3): 23-27
Stevenson, DW
1990
Morphology and systematics of the Cycadales
Mem. New York Bot. Gard. 57: 8-55
Stevenson, DW
1992
A formal classification of the extant cycads
Brittonia 44(4): 220-223
Stevenson, DW
1993
The Zamiaceae in Panama with comments on phytogeography and species relationships
Brittonia 45(1): 1-16
Stevenson, DW
2001
Orden Cycadales
Fl. Colombia (1983+) 21: 1-91
Stevenson, DW
2004
Cycads of Colombia
Bot. Rev. (Lancaster) 70(2): 194-234
Stevenson, DW
2004
Zamiaceae of Bolivia, Ecuador, and Peru
Cycad Classific. Concepts & Recommend. : 173-194
Stevenson, DW
2005
Zamiaceae
Fl. Venez. Guayana 9: 575-576
Stevenson, DW
2020
Observations on vegetative branching in cycads
International Journal of Plant Sciences
Stevenson, DW; Artabe, AE
1995
Fossil and extant cycads: a cladistic analysis.
Amer. J. Bot. 82(6 suppl.): 82-83
Stevenson, DW; Calonje, M; Stanberg, L
2019
The World List of Cycads
Mem. New York Bot. Gard. 117: 540-576
Stevenson, DW; Cárdenas López, D; Castaño, N
2018
A new Zamia (Zamiaceae) from Colombia
Brittonia 70: 364-368
[Abstract]
Stevenson, DW; Fawcet, PKS
1998
Pollination biology of cycads
Reproductive Biology : 277-294
Stevenson, DW; Hill, W
1995
The World list of cycads
Proc. Third Int. Conf. Cycad Biol. : 55-64
Stevenson, DW; Moretti, A; De Luca, P
1990
A new species of Encephalartos (Zamiaceae) from Tanzania
Mem. New York Bot. Gard. 57: 156-161
Encephalartos sclavoi
Stevenson, DW; Moretti, A; Gaudio, L
1998
A new species of Zamia (Zamiaceae) from Belize and the Yucatan Peninsula of Mexico
Delpinoa 37-38: 3-8
Zamia polymorpha
Stevenson, DW; Norstog, K; Molsen, DV
1996
Midribs of cycad pinnae
Brittonia 48(1): 67-74
Stevenson, DW; Osborne, R
1993
The world list of cycads
Proc. Second Int. Conf. Cycad Biol. : 354-364
Stevenson, DW; Osborne, R; Hendricks, JG
1990
A world list of cycads
Mem. New York Bot. Gard. 57: 200-208
Stevenson, DW; Sabato, S
1986
Typification of names in Ceratozamia brongn, Dion lindl, and Microcycas A. DC. (Zamiaceae)
Taxon 35(3): 578-584
Stevenson, DW; Sabato, S
1986
Typification of names in Zamia L. and Aulacophyllum Regel (Zamiaceae)
Taxon 35(3): 134-144
Stevenson, DW; Sabato, S; Moretti, A; De Luca, P
1998
What is Zamia fischeri Miquel?
Delpinoa 37-38: 9-17
Stevenson, DW; Sabato, S; Vázquez-Torres, M
1986
A new species of Ceratozamia (Zamiaceae) from Veracruz, Mexico with comments on species relationships, habitats, and vegetative morphology in Ceratozamia
Brittonia 38(1): 17-26
Ceratozamia euryphyllidia
Stevenson, DW; Vovides, AP; Chemnick, J
2003
Regional overview: New World
Cycads: Status, Survey, and Conservation Action Plan : 31-38
Unlocking a high bacterial diversity in the coralloid root microbiome from the cycad genus Dioon
PLoS One 14(2): 1-20
[Abstract]
Suinyuy, TN; Donaldson, J; Johnson, SD
2009
Insect pollination in the African cycad Encephalartos friderici-guilielmi Lehm
South African J. Botany 75(4): 682-688
[Abstract]
Suinyuy, TN; Donaldson, J; Johnson, SD; Bösenberg, D
2012
Role of cycad cone volatile emissions and thermogenesis in the pollination of Encephalartos villosus Lem.: Preliminary findings from studies of plant traits and insect responses
Mem. New York Bot. Gard. 106: 318-334
Swart, C; Rowswell, R; Donaldson, J; Barker, N
2019
Population structure and survival of the critically endangered cycad Encephalartos latifrons in South Africa
Cycasin formation in tissue cultures of Japanese cycad
Phytochemistry 38(5): 1199-1201
Tadera, K; Yagi, F; Arima, M; Kobayashi, A
1985
Formation of cycasin from methylazoxymethanol by UDP-glucosyltransferase from leaves of Japanese cycad
Agric. Biol. Chem. 49(9): 2827-2828
Tadera, K; Yagi, F; Minemoto, S; Kobayashi, A
1982
Inhibitory effects of cycasin on germination, growth and alpha-amylase biosynthesis in rice plants (Oryza sativa cv. Ariake)
Agric. Biol. Chem. 46(6): 1453-1456
Tagashira, NK, K
1999
A karyotype comparison of nine species of aneuploid Zamia by using the conventional orcein staining and the fluorochrome CMA DAPI differential staining methods
Cytologia Tokyo 64(4): 449-458
[Abstract]
Tagashira, NK, K
2001
Chromosome phylogeny of Zamia and Ceratozamia by means of Robertsonian changes detected by fluorescence in situ hybridization (FISH) technique of rDNA
Pl. Syst. Evol. 227(3-4): 145-155
[Abstract]
Takaso, T; Kimoto, Y
2011
Development of macrosporophylls in Cycas revoluta
Cycad Newslett. 34(2,3): 46
Tam, NM
2006
Conservation of Genetic Diversity of Threatened Cycads (Cycadaceae) in Vietnam
Advances in Natural Sciences 7(1-2): 121-129
[Abstract]
Tam, NM; Ha Giang, V T
2006
Effects of Habitat Fragmentation on Genetic Diversity in Cycas balansae (Cycadaceae)
AJSTD 23(3): 193-205
[Abstract]
Tang, W
1985
Cycad trade and conservation
Encephalartos 4: 22-23
Tang, W
1986
Collecting and storing cycad pollen
Encephalartos 7: 4-6
Tang, W
1987
Heat and odor production in cycad cones
Fairchild Trop. Gard. Bull. 42(3): 12-14
Tang, W
1987
Heat production in cycad cones
Bot. Gaz. 148(2): 165-174
Tang, W
1987
Insect pollination in the cycad Zamia pumila (Zamiaceae).
Amer. J. Bot. 74(1): 90-99
Tang, W
1990
Reproduction in the cycad Zamia pumila in a fire-climax habitat: an eight-year study
Bull. Torrey Bot. Club 117(4): 368-374
Tang, W
1990
The tropical rain forest cycads
Fairchild Trop. Gard. Bull. 45(2): 7-11
Tang, W
1993
Heat and odour production in cycad cones and their role in insect pollination
Proc. Second Int. Conf. Cycad Biol. : 140-147
Tang, W
1993
Seed dispersal and reproductive effort in Zamia pumila
Proc. Second Int. Conf. Cycad Biol. : 148-158
Tang, W
1997
Focus on Dioon spinulosum
Encephalartos 50: 4-11
Tang, W
1998
Focus on Cycas hainanensis
Encephalartos 54: 4-10
Tang, W
1999
Focus on Cycas tansachana
Encephalartos 60: 4-7
Tang, W
2001
Focus on Cycas clivicola subsp. clivicola
Encephalartos 67: 8-13
Tang, W
2002
Two new pests of Zamia in Florida
Encephalartos
Tang, W
2003
Focus on Cycas lindstromii
Encephalartos 76: 8-12
Tang, W
2004
Focus on Cycas pranburiensis
Encephalartos 80: 15-22
Tang, W
2006
Cycas debaoensis: 'The Shangri-La Cycad'
Cycad Newslett. 29(1): 10-11
Tang, W
2011
Cycas revoluta - an Asian perspective
Cycad Newslett. 34(2,3): 38-39
Tang, W; Lindström, AJ
2006
Focus on Zamia amazonum
Encephalartos 86: 12-19
Tang, W; O'Brien, CW
2012
Distribution and evolutionary patterns of the cycad weevil genus Rhopalotria (Coleoptera: Curculionoidea: Belidae) with emphasis on the fauna of Panama
Mem. New York Bot. Gard. 106: 335-351
Tang, W; Sternberg, L; Price, D
1987
Metabolic aspects of thermogenesis in male cone of five cycad species.
Pollination of Australian Macrozamia cycads (Zamiaceae): effectiveness and behavior of specialist vectors in a dependent mutualism
Amer. J. Bot. 92: 931-940
[Abstract]
Terry, I; Walter, GH; Hull, C; Moore, C
2007
Responses of pollinating thrips and weevils to specific Macrozamia cycad cone volatiles
Mem. New York Bot. Gard. 97: 346-371
Terry, I; Walter, GH; Moore, C; Roemer, R; Hull, C
2007
Odor-mediated push-pull pollination in cycads
Science 318(5847): 70
[Abstract]
Thiesson, R
1908
The vascular anatomy of the seedling of Dioon edule
Bot. Gaz. 46: 357-380
Thiselton-Dyer, WT
1882
New Garden Plants: Zamia montana
Gard. Chron., n.s. 17: 460
Thiselton-Dyer, WT
1883
On a new species of Cycas from Southern India
Trans. Linn. Soc. London, Bot. 2(5): 85-86
Cycas beddomei
Thiselton-Dyer, WT
1884
Cycadaceae
Biol. Cent.-Amer., Bot. 3: 190-195
Thiselton-Dyer, WT
1905
New or noteworthy plants. Cycas micholitzii, Dyer
Gard. Chron. ser. 3 38(973): 142-144
Thomas Edward, M; Gil Naputi, C
2017
Adventitious rooting of mature Cycas micronesica K.D. Hill (Cycadales: Cycadaceae) tree stems reveals moderate success for salvage of an endangered cycad
J. Threat. Taxa 9(8)
[Abstract]
Thomas, EM; Frankie, CM; Terry, LI
2020
Burrowing activity of coconut rhinoceros beetle on Guam cycads
Communicative & Integrative Biology 13(1): 74-83
Thunberg, CP
1775
Cycas caffra, nova palmae species descripta
Nova Acta Regiae Soc. Sci. Upsal. 2: 285-290
Thunberg, CP
1782
Beschryryving van twee nieuwe soorten van palmboomachtige gewassen, uit Japan en van de Kaap der Goede Hoope; met eenige aanmerkingen omtrent de bloemen van de varens en dergelyke planter
Pollination of the cycad Zamia incognita A. Lindstr. & Idárraga by Pharaxonotha beetles in the Magdalena Medio Valley, Colombia: a mutualism dependent on a speci
Arthropod-Plant Interactions: An international journal devoted to studies on int 11(5): 717
[Abstract]
Van Buskirk, M
2008
Growing Encephalartos horridus and E. lehmannii in South Texas
Cycad Newslett. 31(1): 10
van der Bank, FH; Vorster, PJ; Van Buskirk, M
1998
Phylogenetic relationships, based on allozyme data, between six cycad taxa indigenous to South Africa.