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.

Ma, G. [et al. 2012], Zhang, X., Bunn, E., & Dixon, K. 2012. Megasporogenesis and embryogenesis in three sympatric Posidonia seagrass species. Aquat. Biol. 100: 1-7.

Ma, J. F., & Takahashi, E. 2002. Soil, Fertilizer, and Plant Silicon Research in Japan. Elsevier, Amsterdam.

Ma, O. S. W., & Saunders, R. M. K. 2003. Comparative floral ontogeny of Maesa (Maesaceae), Aegiceras (Myrsinaceae) and Embelia (Myrsinaceae): Taxonomic and phylogenetic implications. Plant Syst. Evol. 243: 39-58.

Ma, P.-F. [et al. 2014], Zhang, Y.-X., Zeng, C.-X., Guo, Z.-H., & Li, D.-Z. 2014. Chloroplast phylogenomic analyses resolve deep-level relationships of an intractable bamboo tribe Arundinarieae (Poaceae). Syst. Biol. 63: 933-950.

Ma, Q.-W. [et al. 2009], Ferguson, D. K., Li, F.-L., & Li, C.-S. 2009. Leaf epidermal structures of extant plants of Cunninghamia and Taiwania (Cupressaceae sensu lato) and their taxonomic application. Rev. Palaeobot. Palynol. 155: 15-24.

Ma, Y.-P. [et al. 2008], Fang, X.-H., Chen, F., & Dai, S.-L. 2008. DFL a FLORICAULA/LEAFY homologue gene from Dendranthema lavandulifolium is expressed both in the vegetative and reproductive tissues. Plant Cell Reports 27: 647-654.

Ma, Z. [et al. 2001], Bielenberg, D. G., Brown, K. M., & Lynch, J. P. 2001. Regulation of root hair density by phosphorus availability in Arabidopsis thaliana. Plant Cell Environ. 24: 459-467.

Maad, J., & Nilsson, L. A. 2004. On the mechanism of floral shifts in speciation: Gained pollination efficiency from tongue- to eye-attachment of pollinia in Platanthera (Orchidaceae). Biol. J. Linnean Soc. 83: 481-495.

Maas, P. J. M. 1972. Flora Neotropica Monograph No. 8. Costoideae (Zingiberaceae). Hafner, New York.

Maas, P. J. M. 1977. Flora Neotropica Monograph No. 18 Renealmia (Zingiberaceae - Zingiberoideae), Costoideae (Additions) (Zingiberaceae). New York Botanical Garden, New York.

Maas, P. J. M., & Maas-van der Kamer, H. 1993. Flora Neotropica Monograph 61. Haemodoraceae. New York Botanical Garden, New York.

Maas, P. J. M., & Rübsamen, T. 1986. Flora Neotropica Monograph Number 40. Triuridaceae. New York Botanical Garden, New York.

Maas, P. J. M., & Ruyters, P. 1986. Flora Neotropica Monograph Number 41. Voyria and Voyriella (Saprophytic Gentianaceae). New York Botanical Garden, New York.

Maas, P. J. M., & Westra, L. Y. T. 1984. Stduies in Annonaceae. II A monograoph of the genus Anaxagorea A. St. Hil. Part 1. Bot Jahrb. Syst. 105: 73-134.

Maas, P. J. M., & Westra, L. Y. T. 1984. Stduies in Annonaceae. II A monograoph of the genus Anaxagorea A. St. Hil. Part 2. Bot Jahrb. Syst. 105: 145-204.

Maas, P. J. M., & Westra, L. Y. T. 1993. Neotropical Plant Families. Koeltz, Koenigstein.

Maas, P. J. M. [et al. 1986], Maas-van der Kamer, H., Van Bentham, J., Snelders, H. C. M., & Rübsamen, T. 1986. Flora Neotropica Monograph Number 42. Burmanniaceae. New York Botanical Garden, New York.

Maas, P. J. M. [et al. 1992], Baas, P., Boesewinkel, F. D., Hiepko, P., Lobreau-Callen, D., van den Oever, L., & ter Welle, B. J. H. 1992. The identity of "Unknown Z": Maburea Maas, a new genus of Olacaceae in Guyana. Bot. Jahrb. Syst. Pflanzenges. Pflanzengeog. 114: 275-291.

Maas, P. J. M. [et al. 2011], Westra, L. Y. T., Reiner, H., Lobão, A. Q., & Erkens, R. H. J. 2011. An updated index to genera, species, and infraspecific taxa of Neotropical Annonaceae. Nordic J. Bot. 29: 257-356.

Maas-van de Kamer, H. 1995. Triuridiflorae - Gardner's delight? Pp. 287-301, in Rudall, P. J., Cribb, P. J., Cutler, D. F., & Humphries, C. J. (eds), Monocotyledons: Systematics and Evolution. Royal Botanic Gardens, Kew.

Maas-van de Kamer, H. 1998. Burmanniaceae. Pp. 154-163, in Kubitzki, K. (ed.), The Families and Genera of Vascular Plants. III. Flowering Plants: Monocotyledons. Lilianae (except Orchidaceae). Springer, Berlin.

Maas-van de Kamer, H. 2003. Afrothismia gesnerioides, another new species of Afrothismia (Burmanniaceae) from tropical Africa. Blumea 48: 475-478.

Maas-van de Kamer, H., & Maas, P. J. M. 2008. The Cannaceae of the world. Blumea 53: 247-318.

Maas-van de Kamer, H., & Weustenfeld, T. 1998. Triuridaceae. Pp. 452-458, in Kubitzki, K. (ed.), The Families and Genera of Vascular Plants. III. Flowering Plants: Monocotyledons. Lilianae (except Orchidaceae). Springer, Berlin.

Mabberley, D. J. 1997. The Plant Book. Ed. 2. Cambridge University Press, Cambridge.

Mabberley, D. J. 2008. Mabberley's Plant Book: A Portable Dictionary of Plants, their Classifications, and Uses. Ed. 3. Cambridge University Press, Cambridge.

Mabberley, D. J. 2011. Meliaceae. Pp. 185-211, in Kubitzki, K. (ed.), The Families and Genera of Flowering Plants. X. Flowering Plants: Eudicots. Sapindales, Cucurbitales, Myrtaceae. Springer, Berlin.

Mabberley, D. J. [et al. 1995], Pannell, C. M., & Sing, A. M. 1995. Meliaceae. Pp. 1-407, in Kalkman, C. et al. (eds), Flora malesiana, vol. 12. Rijksherbarium, Leiden.

Mc... and Mac... go together.

McAbee, J. M. [et al. 2005], Kuzoff, R. K., & Gasser, C. S. 2005. Mechanisms of derived unitegmy among Impatiens species. Plant Cell 17: 1674-1684.

McAdam, S. A. M., & Brodribb, T. J. 2012a. Fern and lycophyte guard cells do not respond to endogenous abscisic acid. Plant Cell 24: 1510-1521.

McAdam, S. A. M., & Brodribb, T. J. 2012b. Stomatal innovation and the rise of seed plants. Ecology Lett. 15: 1-8.

McAdam, S. A. M., & Brodribb, T. J. 2013. Ancestral stomatal control results in a canalization of fern and lycophyte adaptation to drought. New Phytol. 198: 429-441.

McAdam, S. A. M., & Brodribb, T. J. 2014. Separating active and passive influences on stomatal control of transpiration. Plant Physiol. 164: 1578-1586.

McCarthy, P. M. (ed.). 1995. Flora of Australia. Volume 16. Elaeagnaceae, Proteaceae 1. A.B.R.S/C.S.I.R.O., Melbourne.

McClintock, E. 1957. A monograph of the genus Hydrangea. Proc. California Acad. Sci. 29(5): 147-256.

McCloud, E. S. [et al. 1995], Tallamy, D. W., & Halaweish, E. T. 1995. Squash beetle trenching behavior: Avoidance of cucurbitacin induction or mucilaginous plant sap? Ecol. Entomol. 20: 51-59.

McClure, F. A. 1968. The Bamboos: A Fresh Perspective. Cambridge, Mass., Harvard University Press.

McClure, F. A. 1973. Genera of bamboos native to the New World (Gramineae: Bambusoideae). Smithsonian Contrib. Bot. 9: 1-148.

McConchie, C. A. [et al. 1982], Ducker, S. C., & Knox, R. B. 1982. Biology of Australian seagrasses: Floral development and morphology in Amphibolis (Cymodoceaceae). Australian J. Bot. 30: 251-264.

McConchie, C. A. [et al. 1986], Hough, T., Singh, M. B., & Knox, R. B. 1986. Pollen presentation on petal combs in the geoflorous heath Acrotriche serrulata (Epacridaceae). Ann. Bot. 57: 155-164.

McCormick, M. K., & Jacquemyn, H. 2013. What constrains the distribution of orchid populations? New Phytol.

McCoy, S. K. R. [et al. 2006], Kuehl, J. V., Boore, J. L., & Raubeson, L. A. 2006. The complete plastid genome sequence of Welwitschia mirabilis. P. 289, in Botany 2006 - Looking to the Future - Conserving the Past. [Abstracts: Botanical Society of America, etc.].

McCoy, S. K. R. [et al. 2008], Kuehl, J. V., Boore, J. L., & Raubeson, L. A. 2008. The complete plastid genome sequence of Welwitschia mirabilis: An unusually compact plastome with accelerated divergence rates. BMC Evol. Biol. 2008; 8: 130. doi: 10:1168/14721-2148-8-130.

McCully, M. 1995. How do real roots work? Some new views of root structure. Plant Physiol. 109: 1-6.

McDade, L. A. 1992. Pollinator relationships, biogeography, and phylogenetics. Bioscience 42: 21-26.

McDade, L. A., & Moody, M. L. 1999. Phylogenetic relationships among Acanthaceae: Evidence from noncoding trnL-trnF chloroplast DNA sequences. American J. Bot. 86: 70-80.

McDade, L. A. [et al. 2000a], Masta, S. E., Moody, M. L., & Waters, E. 2000a. Phylogenetic relationships among Acanthaceae: Evidence from two genomes. Syst. Bot. 25: 106-121.

McDade, L. A. [et al. 2000b], Daniel, T. F., & Riley, K. M. 2000b. Phylogenetic relationships within the enigmatic tribe Justiceae. American J. Bot. 87(6, suppl.): 143.

McDade, L. A. [ et al. 2002], Daniel, T. F., & Foose, S. E. 2002. Phylogenetic relationships among Acantheae (Acanthaceae): Taxonomic, biogeographic and morphological implications. P. 138, in Botany 2002: Botany in the Curriculum, Abstracts. [Madison, Wisconsin.]

McDade, L. A. [et al. 2005], Daniel, T. F., Kiel, C. A., & Vollesen, K. 2005. Phylogenetic relationships among Acantheae (Acanthaceae): Major lineages present contrasting patterns of molecular evolution and morphological differentiation. Syst. Bot. 30: 834-862.

McDade, L. A. [et al. 2006], Daniel, T. F., & Kiel, C. A. 2006. Relationships among the major lineages of Acanthaceae s.l.: The big picture. Pp. 238-239, in Botany 2006 - Looking to the Future - Conserving the Past. [Abstracts: Botanical Society of America, etc.]

McDade, L. A. [et al. 2008], Daniel, T. F., & Kiel, C. A. 2008. Toward a comprehensive understanding of phylogenetic relationships among lineages of Acanthaceae s.l. (Lamiales). American J. Bot. 95: 1136-1152.

McDade, L. A. [et al. 2009], Daniel, T. F., Ocampo, G., & Kiel, C. A. 2009. Relationships, character evolution, and biogeographic patterns in the phylogenetically pivotal lineage Nelsonioideae (Acanthaceae s.l.). P. 186, in Botany and Mycology 2009. Snowbird, Utah July 25-29. Abstract Book.

McDade, L. A. [et al. 2012], Daniel, T. F., Kiel, C. A., & Borg, A. J. 2012. Phylogenetic placement, delimitation, and relationships among genera of the enigmatic Nelsonioideae (Lamiales: Acanthaceae). Taxon 61: 637-651.

McDaniel, S. F. [et al. 2013], Atwood, J., & Burleigh, J. G. 2013. Recurrent evolution of dioecy in bryophytes. Evolution 67: 567-572.

McDill, J., & Simpson, B. B. 2011. Molecular phylogenetics of Linaceae with complete generic sampling and data from two plastid genes. Bot. J. Linnean Soc. 165: 64-83.

McDill, J. [et al. 2008], Repplinger, M., Simpson, B., & Kadereit, J. W. 2008. Molecular phylogenies of Linum and Linaceae, with implications for their classification, biogeographic history, and evolution of heterostyly. P. 117, in Botany 2008. Botany without Borders. [Botanical Society of America, etc. Abstracts.]

McDill, J. [et al. 2009], Repplinger, M., Simpson, B. B., & Kadereit, J. W. 2009. the phylogeny of Linum and Linaceae subfamily Linoideae, with implications for their systematics, biogeography, and evolution of heterostyly. Syst. Bot. 34: 386-405.

Macdonald, A. D. 1978. Organogenesis of the male inflorescence and flowers of Myrica esculenta. Canadian J. Bot. 56: 2415-2423.

Macdonald, A. D. 1989. The morphology and relationships of the Myricaceae. Pp. 147-165, in Crane, P. R., & Blackmore, S. (eds), Evolution, Systematics, and Fossil History of the Hamamelidae, vol. 1. Clarendon Press, Oxford.

Macdonald, G. M. [et al. 2006], Beilman, D. W., Kremenetski, K. V., Sheng, Y., Smith, L. C., & Velichko, A. A. 2006. Rapid early development of circumartic peatlands and atmospheric CH₄ and CO₂ variations. Science 314: 285-288.

McDonald, J. A. [et al. 2011], Hansen, D. R., McDill, J. R., & Simpson, B. B. 2011. A phylopgenetic assessment of breeding systems and floral morphology of North American Ipomoea (Convolvulaceae). J. Bot. Res. Inst. Texas v5: 159-177.

McDonald, K. R. [et al. 2010], Pennell, J., Frank, J. L., & Southworth, D. 2010. Ectomycorrhizas of Cercocarpus ledifolius (Rosaceae). American J. Bot. 97: 1867-1872.

McElwain, J. C., & Punyasena, S. W. 2007. Mass extinction events and the plant fossil record. Trends Ecol. Evol. 22: 548-557.

McElwain, J. C. [et al. 1999], Beerling, D. J., & Woodward, F. I. 1999. Fossil plants and global warming at the Triassic-Jurassic boundary. Science 285: 1386-1390.

McElwain, J. C. [et al. 2005], Willis, K. J., & Lupia, R. 2005. Cretaceous CO₂ decline and the radiation and diversification of angiosperms. Pp. 133-166, in Cerling, T. E., & Dearing, M. D. (eds), A History of Atmospheric CO₂ and its Effects on Plants, Animals, and Ecosystems. Springer, New York. [Ecological Studies 177.]

McElwain, J. C. [et al. 2007], Popa, M. E., Hesselbo, S. P., Haworth, M., & Surlyk, F. 2007. Macroecological responses of terrestrial vegetation to climate and atmospheric change across the Triassic/Jurassic boundary in East Greenland. Paleobiol. 33: 547–573.

McElwain, J. C. [et al. 2011], Willis, K. J., & Niklas, K. 2011. Long term fluctuations in atmospheric carbon dioxide concentration influence plant speciation rates. Pp. 122-140, in Hodkinson, T. R., Jones, M. B., Waldren, S., & Parnell, J. A. N. (eds), Climate Change, Ecology and Systematics. Cambridge University, Cambridge. [Systematics Association Special Volume 78.]

MacFadden, B. J. 1997. Origin and evolution of the grazing guild of New World terrestrial mammals. Trends Ecol. Evol. 12: 182-187.

McFadden, B. J. 2005. Terrestrial mammalian herbivore response to declining levels of atmospheric CO₂ during the Cenozoic: Evidence from North American fossil horses (family Equidae). Pp. 273-292, in Ehleringer, J. R., Cerling, T. E., & Dearing, M. D. (eds), A History of Atmospheric CO₂ and its Effects on Plants, Animals, and Ecosystems. Springer, New York. [Ecological Studies 177.]

Macfarlane, T. D. [et al. 1987], Hopper, S. D., Purdie, R. W., George, A. S., & Patrick, S. J. 1987. Haemodoraceae. Pp. 55-147, in George, A. S. (ed.), Flora of Australia. Volume 35. Hydatellaceae to Liliaceae. Australian Government, Canberra.

McGee, P. A. 1988. Growth response to and morphology of mycorrhizas of Thysanotus. New Phytol. 109: 459-463.

McGregor, M. 2008. Saxifrages. Timber Press, Portland, Ore.

McGuire, A. D. [et al. 1992], Melillo, J. M., Joyce, L. A., Kicklighter, D. W., Grace, A. L., Moore, B. III, & Vorosmarty, C. V. 1992. Interactions between carbon and nitrogen dynamics in estimating net primary productivity for potential vegetation in North America. Global Biogeochem. Cycles 6: 101-124.

McGuire, J. A. [et al. 2007], Witt, C. C., Altshuler, D. L., & Remsen, J. V. 2007. Phylogenetic systematics and biogeography of hummingbirds: Bayesian and maximum likelihood analyses of partitioned data and selection of an appropriate partitioning strategy. Syst. Biol. 56: 837–856.

McGuire, J. A. [et al. 2014], Witt, C. C., Remsen, J. V. Jr, Corl, A., Rabosky, D. L., Altshuler, D. L., & Dudley, R. 2014. Molecular phylogenetics and the diversification of hummingbirds. Curr. Biol. 24: 1-7.

McGuire, K. L. 2007a. Common ectomycorrhizal networks may maintain monodominance in a tropical rain forest. Ecology 88: 567-574.

McGuire, K. L. 2007b. Recruitment dynamics and ectomycorrhizal colonization of Dicymbe corymbosa, a monodominant tree in the Guiana Shield. J. Trop. Ecol. 23: 297-307.

Machado, C. A. [et al. 2005], Robbins, N,., Gilbert, M. T. P., & Herre, E. A. 2005. A critical review of host-specificty and its co-evolutionary implications in the fig/fig-wasp mutualism. Proc. National Acad. Sci. U.S.A. 102 (suppl. 1): 6558-6565.

Machado, I. C. 2004. Oil-collecting bees and related plants: A review of the studies in the last twenty years and case histories of plants occurring in NE Brazil. Pp. 225–280, in Freitas, B. M., & Pereira, J. O. P. (eds), Solitary Bees Conservation, Rearing and Management for Pollination. Federal University of Ceará, Ceará, Brazil.

Machado, I. C. [et al. 2002], Vogel, S., & Lopes, A. V. 2002. Pollination of Angelonia cornigera Hook. (Scrophulariaceae) by long-legged, oil-collecting bees in NE Bazil. Plant Biol. 4: 352-359.

Machado, R. F., & de Queiroz, L. P. 2012. A new species of Prosopanche (Hydnoraceae) from northeastern Brazil. Phytotaxa 75: 58-64.

Machado de Costa, F. G. C. [et al. 2011], Bove, C. P., Arruda, R. do C. O., & Philbrick, C. T. 2011. Silica bodies and their systematic implications at the subfamily level in Podostemaceae. Rodriguésia 62: 937-942.

McHenry, M. A., & Barrington, D. S. 2014. Phylogeny and biogeography of exindusiate Polystichum (Dryopteridaceae). American J. Bot. 101: 365-375.

McInerney, F. A., & Wing, S. L. 2011. The Paleocene-Eocene Thermal Maximum: A perturbation of carbon cycle, climate, and biosphere with implications for the future. Ann. Rev. Earth Planet. Sci. 39: 489-516.

McInerney, F. A. [et al. 2011], Strömberg, C. A. E., & White, J. W. C. 2011. The Neogene transition from C₃ to C₄ grasslands in North America: Stable carbon isotope ratios of fossil phytoliths. Paleobiol. 37: 23-49.

Macior, L. W. 1974. Pollination ecology of the Front Range of the Colorado Rocky Mountains. Melanderia 15: 1-59.

Macior, L. W. 1982. Plant community and pollinator dynamics in the evolution of pollination mechanisms in Pedicularis (Scrophulariaceae). Pp. 29-45, in Armstrong, J. A., Powell, J. M., & Richards, A. J. (eds), Pollination and Evolution. Royal Botanic Gardens, Sydney, NSW.

Macior, L. W. 1984. Behavioral co-adaptation of Bombus pollinators and Pedicularis flowers. Pp. 257-261, in Tasci, J. W. (ed.), Proceedings of the V^th International Symposium on Pollination. Institut Nacional de la Recherche Agronomique, Versailles.

McIver, E. E. 2001. Cretaceous Widdringtonia Endl. (Cupressaceae) from North America. Internat. J. Plant Sci. 162: 937-961.

McIver, E. E., & Basinger, J. F. 1999. Early Tertiary floral evolution in the high Arctic. Ann. Missouri Bot. Gard. 86: 523-545.

Mack, A. 2000. Did fleshy fruit pulp evolve as a defence against seed loss rather than a dispersal mechanism? J. Biosci. 25: 93-97.

McKain, M. R. [et al. 2011], Pires, J. C., Wickett, N. J., DePamphilis, C. W., & Leebens-Mack, J. H. 2011. Origin of bimodal karyotype of Agavaceae coincides with a paleopolploid event. P. 310, in XVIII International Botanical Congress 2011, Melbourne. [Abstracts.]

McKain, M. R. [et al. 2012], Wickett, N., Zhang, Y, Ayyampalayam, S., McCombie, W. R., Chase, M. W., Pires, J. C., DePamphilis, C. W., & Leebens-Mack, J. 2012. Phylogenomic analysis of transcriptome data elucidates co-occurrence of a paleopolyploid event and the origin of bimodal karyotypes in Agavoideae (Asparagaceae). American J. Bot. 99: 397-406.

McKenna, D. D., & Farrell, B. D. 2005. Molecular phylogenetics and evolution of host plant use in the neotropical rolled leaf 'hispine' beetle genus Cephaloleia (Chevrolat) (Chrysomelidae: Cassidinae). Mol. Phyl. Evol. 37: 117-131.

McKenna, D. D., & Farrell, B. D. 2006. Tropical forests are both evolutionary cradles and museums of leaf beetle diversity. Proc. National Acad. Sci. U.S.A. 103: 10947-10951.

McKenna, D. D. [et al. 2009], Sequeira, A. S., Marvaldi, A. E., & Farrell, B. D. 2009. Temporal lags and overlap in the diversification of weevils and flowering plants. Proc. National Acad. Sci. U.S.A. 106: 7083-7088.

McKenna, M. [et al. 2013], Rodriguez-Rosas, V., & Daiz-Ruiz, D. 2013. Thymol mediates three-way interactions between Thymus, legumes and rhizobia. Pp. 115-116, in Botany 2013. Celebrating Diversity! July 27-31 - New Orleans. Abstracts.

McKenna, M. J. [et al. 2011], Simmons, M. P., Bacon, C. D., & Lombardi, J. A. 2011. Delimitation of segregate genera of Maytenus s.l. (Celastraceae) based on molecular and morphological characters. Syst. Bot. 36: 922-932.

McKey, D. 1989. Interactions between ants and leguminous plants. Pp. 673-718, in Stirton, C. H., & Zarucchi, J. L. (eds), Advances in Legume Biology. Monographs in Systematic Botany 29, Missouri Botanical Garden.

Mackinder, B. 2005. Detarieae. Pp. 68-109, in Lewis, G. P., Schrire, B., Mackinder, B., & Lock, M. (eds), Legumes of the World. Royal Botanic Gardens, Kew.

Mackinder, B. A. [et al. 2013], Saslis-Lagoudakis, H., Wieringa, J. J., Devey, D., Forest, F., & Bruneau, A. 2013. The tropical African legume Scorodophloeus clade includes two undescribed Hymenostegia segregate genera and Micklethwaitia, a rare, monospecific genus from Mozambique. South African J. Bot. 89: 156-163.

McKinnon, G. E. [et al. 2008], Vaillancourt, R. E., Steane, D. A., & Potts, B. M. 2008. An AFLP marker approach to lower-level systematics in Eucalyptus (Myrtaceae). American J. Bot. 95: 368-380.

Mackova, Z. [et al. 2006], Koblovska, R., & Lapcik, O. 2006. Distribution of isoflavonoids in non-leguminous taxa - an update. Phytochem. 67: 849-855.

McKown, A. D., & Dengler, N. G. 2009. Shifts in leaf vein density through accelerated vein formation in C₄ Flaveria (Asteraceae). Ann. Bot. 104: 1085-1098.

McKown, A. D., & Dengler, N. G. 2010. Vein patterning and evolution in C₄ plants. Botany 88: 775-786.

McKown, A. D. [et al. 2005], Moncalvo, J.-M., & Dengler, N. G. 2005. Phylogeny of Flaveria (Asteraceae) and inference of C₄ photosynthesis evolution. American J. Bot. 92: 1911-1928.

McKown, A. D. [et al. 2010], Cochard, H., & Sack, L. 2010. Decoding leaf hydraulics with a spatially explicit model: Principles of venation architecture and implications for its evolution. American Naturalist 175: 447-460.

Maclean, A. M. [et al. 2007], Finan, T. M., & Sadowsky, M. J. 2007. Genomes of the symbiotic nitrogen-fixing bacteria of legumes. Plant Physiol. 144: 615-622.

McLean, W. F. H. [et al. 1996], Blunden, G., & Jewers, K. 1996. Quaternary ammonium compounds in the Capparaceae. Biochem. Syst. Ecol. 24: 427-434.

McLeish, M. J., & van Noort, S. 2012. Codivergence and multiple host species use by fig wasp populations of the Ficus pollination mutualism. BMC Evol. Biol. 12:1 http://www.biomedcentral.com/1471.2148/12/1

McLeish, M. J. [et al. 2007], Chapman, T. W., & Schwarz, M. P. 2007. Host-driven diversification of gall-inducing Acacia thrips and the aridification of Australia. BMC Biol. 5: 3.

McLeod, E. [et al. 2011], Chmura, G. L., Bouillon, S., Salm, R., Björk, M., Duarte, C. M., Lovelock, C. E., Schlesinger, W. H., & Silliman, B.R. 2011. A blueprint for blue carbon: Toward an improved understanding of the role of vegetated coastal habitats in sequestering CO₂. Front. Ecol. Environ. 9: 552-560.

McLoughlin, S. [et al. 1995], Drinnan, A. N., & Rozefelds, A. C. 1995. A Cenomanian flora from the Winton Formation, Eromanga Basin, Queensland, Australia. Mem. Queensland Mus. 38: 273–313.

McLoughlin, S. [et al. 2008], Carpenter, R. J., Jordan, G. J., & Hill, R. S. 2008. Seed ferns survived the end-Cretaceous mass extinction in Tasmania. American J. Bot. 95: 465-471.

McMahon, M. M. 2005. Phylogenetic relationships and floral evolution in the papilionoid legume clade Amorpheae. Brittonia 57: 397-411.

McMahon, M. M., & Hufford, L. 2002. Developmental morphology and structural homology of corolla-androecium synorganisation in the tribe Amorpheae (Fabaceae: Papilionoideae). American J. Bot. 89: 1884-1898.

McMahon, M. M., & Hufford, L. 2005. Evolution and development in the amorphoid clade (Amorpheae: Papilionoideae: Leguminosae): Petal loss and dedifferentiation. Internat. J. Plant Sci. 166: 383-396.

McMahon, M. M., & Hufford, L. 2006. Phylogeny of Amorpheae (Fabaceae: Papilionoideae). American J. Bot. 91: 1219-1230.

McMahon, M. M., & Sanderson, M. J. 2006. Phylogenetic supermatrix analysis of GenBank sequences from 2228 papilionoid legumes. Syst. Biol. 55: 818-836.

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