[1] Leslie, A.B., Beaulieu, J.M., Rai, H.S., Crane, P.R., Donoghue, M.J. and Mathews, S. (2012) Hemisphere-Scale Differences in Conifer Evolutionary Dynamics. Proceedings of the National Academy of Sciences of the United States of America, 109, 16217-16221.
http://dx.doi.org/10.1073/pnas.1213621109
[2] Little, D.P. (2006) Evolution and Circumscription of the True Cypresses (Cupressaceae: Cupressus). Systematic Botany, 31, 461-480.
http://dx.doi.org/10.1043/05-33.1
[3] Farjon, A. (2010) A Handbook of the World’s Conifers. Volume I, II, Brill, Leiden, Boston.
[4] Knopf, P., Schulz, C., Little, D.P., Stützel, T. and Stevenson, D.W. (2012) Relationships within Podocarpaceae based on DNA Sequence, Anatomical, Morphological, and Biogeographical Data. Cladistics, 28, 271-299.
http://dx.doi.org/10.1111/j.1096-0031.2011.00381.x
[5] Mao, K.S., Milne, R.I., Zhang, L.B., Peng, Y.L., Liu, J.Q., Thomas, P., Mill, R.R. and Renner, S.S. (2012) Distribution of Living Cupressaceae Reflects the Breakup of Pangea. Proceedings of the National Academy of Sciences of the United States of America, 109, 7793-7798.
http://dx.doi.org/10.1073/pnas.1114319109
[6] Little, D.P., Knopf, P. and Schulz, C. (2013) DNA Barcode Identification of Podocarpaceae—The Second Largest Conifer Family. PLOS ONE, 8, 1-11.
http://dx.doi.org/10.1371/journal.pone.0081008
[7] Rothwell, G.W. and Basinger, J.F. (1979) Metasequoiamilleri n.-sp., Anatomically Preserved Pollen Cones from the Middle Eocene (Allenby Formation) of Columbia. Canadian Journal of Botany-Revue Canadienne De Botanique, 57, 958-970.
http://dx.doi.org/10.1139/b79-118#.U4w8iShCCLc
[8] Serbet, R. and Stockey, R.A. (1991) Taxodiaceous Pollen Cones from the Upper Cretaceous (Horseshoe Canyon Formation) of Drumheller, Alberta, Canada. Review of Palaeobotany and Palynology, 70, 67-76.
http://dx.doi.org/10.1016/0034-6667(91)90078-H
[9] Smith, S.Y. and Stockey, R.A. (2002) Permineralized Pine Cones from the Cretaceous of Vancouver Island, British Columbia. International Journal of Plant Sciences, 163, 185-196.
http://dx.doi.org/10.1086/324553
[10] Chamberlain, C.J. (1935) Gymnosperms: Structure and Evolution (Reprint 1982). University of Chicago Press, Chicago.
[11] Schulz, C. and Stützel, T. (2006) Variability of Pollen Cones in Chamaecyparis as an Example for Cupressaceae Pollen Cones. Feddes Repertorium, 117, 146-157.
http://dx.doi.org/10.1002/fedr.200511085
[12] Dörken, V.M., Zhang, Z.X., Mundry, I.B. and Stützel, T. (2011) Morphology and Anatomy of Male Cones of Pseudotaxus chienii (W.C. Cheng) W.C. Cheng (Taxaceae). Flora, 206, 444-450.
http://dx.doi.org/10.1016/j.flora.2010.08.006
[13] Schulz, C., Jagel, A. and Stützel, T. (2003) Cone Morphology in Juniperus in the Light of Cone Evolution in Cupressaceae s.l. Flora, 198, 161-177.
http://dx.doi.org/10.1078/0367-2530-00088
[14] Schulz, C. and Stützel, T. (2007) Evolution of Taxodiaceous Cupressaceae (Coniferopsida). Organisms Diversity & Evolution, 7, 124-135.
http://dx.doi.org/10.1016/j.ode.2006.03.001
[15] Dörken, V.M. and Stützel, T. (2012) Proliferating Seed Cones in Metasequoia glyptostroboides Hu & Cheng (Cupressaceae s.l., Coniferales) Elucidating the Evolution of Seed Cones and Ovules in Cupressaceae s.l. and Maybe Conifers on the Whole. Feddes Repertorium, 122, 409-420.
http://dx.doi.org/10.1002/fedr.201200004
[16] Mohl, H.V. (1845) IV. über die Männlichen Blüthen der Coniferen. Vermischte Schriften Botanischen Inhalts, Tübingen, 45-61.
[17] Parlatore, F. (1868) Coniferae. In: de Candolle, A.P., Ed., Prodromus Systematis Regni Vegetabilis, Vol. 16, No. 2, G. Masson, Paris, 361-521.
[18] Mundry, I.B. and Mundry, M. (2001) Male Cones in Taxaceae s.l.—An Example of Wettstein’s Pseudanthium Concept. Plant Biology, 3, 405-416.
http://dx.doi.org/10.1055/s-2001-16466
[19] Duluhosch, H. (1937) Entwicklungsgeschichtliche Untersuchung über die Mikrosporophylle der Koniferen. Bibliotheca Botanica, 114, 1-24.
[20] Dupler, A.W. (1919) Staminate Strobilus of Taxus canadensis. Botanical Gazette, 68, 345-366.
http://www.jstor.org/stable/10.2307/2469243
http://dx.doi.org/10.1086/332570
[21] Worsdell, W.C. (1901) The Morphology of the “Flower” of Cephalotaxus. Annals of Botany, 15, 637-652.
http://aob.oxfordjournals.org/content/os-15/4/637
[22] Celakovsky, L. (1879) Zur Gymnospermie der Coniferen. Flora, 62, 257-264, 273-283.
[23] Goebel, K. (1923) Organographie der Pflanzen. Gustav Fischer, Jena.
[24] Pryer, K.M., Schneider, H., Smith, A.R., Cranfill, R., Wolf, P.G., Hunt, J.S. and Sipes, S.D. (2001) Horsetails and Ferns Are a Monophyletic Group and the Closest Living Relatives to Seed Plants. Nature, 409, 618-622.
http://dx.doi.org/10.1038/35054555
[25] Malaspina, T.T., Cecchi, L., Morabito, M., Onorari, M., Domeneghetti, M.P. and Orlandini, S. (2007) Influence of Meterological Conditions on Male Flowers Phenology of Cupressus sempervirens and Correlation with Pollen Production in Florence. Trees, 21, 507-514.
http://dx.doi.org/10.1007/s00468-007-0143-1
[26] Schulz, C., Knopf, P. and Stützel, T. (2005) Identification Key to the Cypress Family (Cupressaceae). Feddes Repertorium, 116, 96-146.
[27] Gerlach, D. (1984) Botanische Mikrotomtechnik, Eine Einführung, 2. Auflage, Thieme, Stuttgart.
[28] Gerstberger, P. and Leins, P. (1978) Rasterelektronenmikroskopische Untersuchungen an Blütenknospen von Physalis philadelphia (Solanaceae). Berichte der Deutschen Botanischen Gesellschaft, 91, 381-387.
[29] Hall, T. (2004) BioEdit. Ibis Therapeutics, Carlsbad.
http://mbio.ncsu.edu/BioEdit.html
[30] Vaidya, G., Lohman, D.J. and Meier, R. (2011) SequenceMatrix: Concatenation Software for the Fast Assembly of Multi-Gene Datasets with Character Set and Codon Information. Cladistics, 27, 171-180.
http://dx.doi.org/10.1111/j.1096-0031.2010.00329.x
[31] Edgar, R.C. (2004) MUSCLE: Multiple Sequence Alignment with High Accuracy and High Throughput. Nucleic Acids Research, 32, 1792-1797.
http://dx.doi.org/10.1093/nar/gkh340
[32] Nylander, J.A.A. (2004) MrModeltest Version 2. Program Distributed by the Author. Evolutionary Biology Centre, Uppsala University, Uppsala.
[33] Ronquist, F. and Huelsenbeck, J.P. (2003) MrBayes 3: Bayesian Phylogenetic Inference under Mixed Models. Bioinformatics, 19, 1572-1574.
http://dx.doi.org/10.1093/bioinformatics/btg180
[34] Maddison, W.P. and Maddison, D.R. (2011) Mesquite: A Modular System for Evolutionary Analysis. Version 2.75.
http://mesquiteproject.org
[35] Paradis, E., Claude, J. and Strimmer, K. (2004) APE: Analyses of Phylogenetics and Evolution in R Language. Bioinformatics, 20, 289-290.
http://dx.doi.org/10.1093/bioinformatics/btg412
[36] Revell, L.J. (2012) Phytools: An R Package for Phylogenetic Comparative Biology (and Other Things). Methods in Ecology and Evolution, 3, 217-223.
http://dx.doi.org/10.1111/j.2041-210X.2011.00169.x
[37] RStudio (2012) RStudio: Integrated Development Environment for R (Version 0.96.122) [Computer Software], Boston. http://www.rstudio.com
[38] Bateman, R.M., Hilton, J. and Rudall, P.J. (2011) Spatial Separation and Developmental Divergence of Male and Female Reproductive Units in Gymnosperms, and Their Relevance to the Origin of the Angiosperm Flower. In: Wanntorp, L. and Ronse De Craene, L.P., Eds., Flowers on the Tree of Life, Cambridge University Press, Cambridge, 8-48.
http://dx.doi.org/10.1017/CBO9781139013321.002
[39] Wilde, M.H. (1975) New Interpretation of Microsporangiate Cones in Cephalotaxaceae and Taxaceae. Phytomorphology, 25, 434-450.
[40] Keng, H. (1969) Aspects of Morphology of Amentotaxus formosana with a Note on Taxonomic Position of the Genus. Journal of the Arnold Arboretum, 50, 432-448.
[41] Hernandez-Castillo, G.R., Rothwell, G.W. and Mapes, G. (2001) Compound Pollen Cone in a Paleozoic Conifer. American Journal of Botany, 88, 1139-1142.
http://www.amjbot.org/content/88/6/1139
http://dx.doi.org/10.2307/2657097
[42] Thomson, R.B. (1940) The Structure of the Cone in the Coniferae. Botanical Review, 6, 73-84.
http://dx.doi.org/10.1007/BF02879314
[43] Mundry, I.B. and Stützel, T. (2003) Morphogenesis of Male Sporangiophores of Zamia amblyphyllidia D.W. Stev. Plant Biology, 5, 297-310.
http://dx.doi.org/10.1055/s-2003-40791