Articles or books by two or more authors are cited as follows. When there are two authors, citation is alphabetical after the second author's name. When there are three or more authors, references are cited in the body of the text as (e.g.) Chase et al. 2000a, 2000b, 2000c, and are listed following these sometimes alphabetically qualified dates of publication immediately after all the single- or two-authored articles by the first author.

Qi, X.S. [et al. 2012], Chen, C., Comes, H. P., Sakagushi, S., Liu, Y.-H., Tanaka, N., Sakio, H. & Qiu, Y.-X. 2012. Molecular data and ecological niche modelling reveal a highly dynamic evolutionary history of the East Asian Tertiary relict Cercidiphyllum (Cercidiphyllaceae). New Phytol. 196: 617–630.

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Qian, H., & Ricklefs, R. E. 2004. Taxon richness and climate in angiosperms: Is there a globally consistent relationship that precludes region effects? American Naturalist 163: 773-779 [see Electronic Appendix for plant distributions].

Qin, H.-N. 1998. A taxonomic revision of the Lardizabalaceae. Cathaya 8-9: 1-214.

Qiu, R.-L. [et al. 2012], Tang, Y.-T., Zeng, X.-W., Thangavel, P., Tang, L., Gan, Y.-Y., Ying, R.-R., & Wang, S.-Z. 2012. Mechanisms of Cd hyperaccumulation and detoxification in heavy metal hyperaccumulators: How plants cope with Cd. Prog. Bot. 73: 127-.

Qiu, Y. L., & Estabrook, G. F. 2008. Inference of phylogenetic relationships among key angiosperm lineages using a compatabilty method on a molecular data set. J. Syst. Evol. 46: 130-141.

Qiu, Y.-L. [et al. 1995], Chase, M. W., & Parks, C. R. 1995. A chloroplast DNA phylogenetic study of the eastern Asia - east North America disjunct section Rhytidospermum of Magnolia (Magnoliaceae). American J. Bot. 82: 1582-1588.

Qiu, Y.-L. [et al. 1998a], Chase, M. W., Hoot, S. B., Conti, E., Crane, P. R., Sytsma, K. J., & Parks, C. R. 1998a. Phylogenetics of the Hamamelidae and their allies: Parsimony analyses of nucleotide sequences of the plastid gene rbcL. Internat. J. Plant Sci. 159: 891-905.

Qiu, Y.-L. [et al. 1998b], Cho, Y., Cox, J. C., & Palmer, J. D. 1998b. The gain of three mitochondrial introns identifies liverworts as the earliest land plants. Nature 394: 671-674.

Qiu, Y.-L. [et al. 1999], Lee, J., Bernasconi-Quadroni, F., Soltis, D. E., Soltis, P. S., Zanis, M. J., Zimmer, E. A., Chen, Z., Savolainen, V., & Chase, M. W. 1999. The earliest angiosperms: Evidence from mitochondrial, plastid and nuclear genes. Nature 402: 404-407.

Qiu, Y.-L. [et al. 2000], Lee, J., Bernasconi-Quadroni, F., Soltis, D. E., Soltis, P. S., Zanis, M. J., Zimmer, E. A., Chen, Z., Savolainen, V., & Chase, M. W. 2000. Phylogeny of basal angiosperms: Analyses of five genes from three genomes. Internat. J. Plant Sci. 161(6: suppl. [Current Perspectives on Basal Angiosperms]): S3-S27.

Qiu, Y.-L. [et al. 2005], Dombrovska, O., Lee, J., Li, L., Whitlock, B. A., Bernasconi-Quadroni, F., Rest, J. S., Davis, C. C., Borsch, T., Hilu, K. W., Renner, S. S., Soltis, D. E., Soltis, P. S., Zanis, M. J., Cannone, J. J., Gutell, R. R., Powell, M., Savolainen, V., Chatrou, L. W., & Chase, M. W. 2005. Phylogenetic analysis of basal angiosperms based on nine plastid mitochondrial and nuclear genes. Internat. J. Plant Sci. 166: 815-842.

Qiu, Y.-L. [et al. 2006a], Li, L., Wang, B., Chen, Z., Knoop, V., Groth-Malonek, M., Dombrovska, O., Lee, J., Kent, L., Rest, J. S., Estabrook, G. F., Hendry, T. A., Taylor, D. W., Testa, C. M., Ambros, M., Crandall-Stotler, B., Duff, R. J., Stech, M., Frey, W., Quandt, D., & Davis, C. C. 2006a. The deepest divergences in land plants inferred from phylogenomic evidence. Proc. National Acad. Sci. U.S.A. 103: 15511-15516.

Qiu, Y.-L. [et al. 2006b], Li, L., Hendry, T, Li, R., Taylor, D. W., Issa, M. J., Ronen, A. J., Vekaria, M. L., & White, A. M. 2006b. Reconstructing the basal angiosperm phylogeny: Evaluating information content of mitochondrial genes. Taxon 55: 837-856.

Qiu, Y.-L. [et al. 2007], Li, L., Wang, B., Chen, Z., Dombrovska, O., Lee, J., Kent, L., Li, R., Jobson, R. J., Hendry, T. A., Taylor, D. W., Testa, C. M., & Ambros, M. 2007. A nonflowering land plant phylogeny inferred from nucleotide sequences of seven chloroplast, mitochondrial, and nuclear genes. Internat. J. Plant Sci. 168: 691-708.

Qiu, Y.-L. [et al. 2010], Li, L., Wang, B., Xue, J.-Y., Hendry, T. A., Li, R.-Q., Brown, J. W., Liu, Y., Hudson, G. T., & Chen, Z.-D. 2010. Angiosperm phylogeny inferred from sequences of four mitochondrial genes. J. Syst. Evol. 48: 391-425.

Quandt, D., & Stech, M. 2003. Molecular systematics of bryophytes in context of land plant phylogeny. Pp. 267-295, in Sharma, A. K., & Sharma, A. (eds), Plant Genome: Biodiversity and Evolution. Volume 1, part A. Phanerogams. Scientific Publications, Enfield, NH.

Quandt, D. [et al. 2004], Müller, K., Stech, M., Frahm, J.-P., Frey, W., Hilu, K. W., & Borsch, T. 2004. Molecular evolution of the chloroplast trnL-F region in land plants. Pp. 15-37, in Goffinet, B., Hollowell, V., & Magill, R. (eds), Molecular Systematics of Bryophytes. Missouri Botanical Garden, St Louis, MO.

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Quinn, C. J. [et al. 2003], Crayn, D. M., Heslewood, M. M., Brown, E. A., & Gadek, P. A. 2003. A molecular estimate of the phylogeny of Styphelieae (Ericaceae). Australian Syst. Bot. 16: 581-594.

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Rai, H. S. [et al. 2003], O'Brien, H. E., Reeves, P. A., Olmstead, R. G., & Graham, S. W. 2003. Inference of higher-order relationships within the cycads from a large chloroplast data set. Mol. Phyl. Evol. 29: 350-359.

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