The invasion of the land by plants: when and where?

flower size and floral display in Penstemon digitalis. New Phytologist 188: 393–402. Peakall R, Ebert D, Poldy J, Barrow RA, Francke W, Bower CC, Schiestl FP. 2010. Pollinator specificity, floral odour chemistry and the phylogeny of Australian sexually deceptive Chiloglottis orchids: implications for pollinator-driven speciation. New Phytologist 188: 437–450. van der Pijl L. 1961. Ecological aspects of flower evolution. II. Zoophilous flower classes. Evolution 15: 44–59. Proctor M, Yeo P, Lack A. 1996. The natural history of pollination. London, UK: Harper Collins. Rymer PD, Johnson SD, Savolainen V. 2010. Pollinator behaviour and plant speciation: can assortative mating and disruptive selection maintain distinct floral morphs in sympatry? New Phytologist 188: 426– 436. Sapir Y. 2009a. Effects of floral traits and plant genetic composition on pollinator behavior. Arthropod–Plant Interactions 3: 115–129. Sapir Y. 2009b. Pollination genetics: using molecular genetic underlying floral traits to study pollination ecology in an evolutionary context. Israel Journal of Plant Sciences 57: 141–149. Sargent RD. 2004. Floral symmetry affects speciation rates in angiosperms. Proceedings of the Royal Society B: Biological Sciences 271: 603–608. Sargent RD, Otto SP. 2006. The role of local species abundance in the evolution of pollinator attraction in flowering plants. The American Naturalist 167: 67–80. Schemske DW, Bradshaw HD. 1999. Pollinator preference and the evolution of floral traits in monkeyflowers (Mimulus). Proceedings of the National Academy of Sciences, USA 96: 11910–11915. Schluter D. 2009. Evidence for ecological speciation and its alternative. Science 323: 737–741. Sletvold N, Grindeland JM, Ågren J. 2010. Pollinator-mediated selection on floral display, spur length and flowering phenology in the deceptive orchid Dactylorhiza lapponica. New Phytologist 188: 385–392. Smith SD. 2010. Using phylogenetics to detect pollinator-mediated floral evolution. New Phytologist 188: 354–363. Smith SD, Ane C, Baum DA. 2008. The role of pollinator shifts in the floral diversification of Iochroma (Solanaceae). Evolution 62: 793–806. Sprengel CK. 1793. Das Entdeckte Geheimniss der Natur im Bau und in der Befruchtung der Blumen. Berlin, Germany: Vieweg. Thompson JN. 1998. The population biology of coevolution. Researches on Population Ecology 40: 159–166. Vallejo-Marı́n M, Da Silva EM, Sargent RD, Barrett SCH. 2010. Trait correlates and functional significance of heteranthery in flowering plants. New Phytologist 188: 418–425. Vázquez DP, Blüthgen N, Cagnolo L, Chacoff NP. 2009. Uniting pattern and process in plant–animal mutualistic networks: a review. Annals of Botany 103: 1445–1457. Venail J, Dell’Olivo A, Kuhlemeier C. 2010. Speciation genes in the genus Petunia. Philosophical Transactions of the Royal Society B: Biological Sciences 365: 461–468. Vereecken N, Cozzolino S, Schiestl F. 2010. Hybrid floral novelty drives pollinator shift in sexually deceptive orchids. BMC Evolutionary Biology 10: 103. Waser NM, Chittka L, Price MV, Williams NM, Ollerton J. 1996. Generalization in pollination systems, and why it matters. Ecology 77: 1043–1060. Weis AE, Kossler TM. 2004. Genetic variation in flowering time induces phenological assortative mating: quantitative genetic methods applied to Brassica rapa. American Journal of Botany 91: 825–836.