Table 1: Literature survey: observed proportion of total investment in seed production (pre-pollination + post-pollination costs) that is allocated during the pre-pollination period. Species Plant group Observed proportion of total Reference investment in seed production allocated to prepollination costs Callitris muelleri gymnosperm 0.0008 Lord and Westoby 2011 Araucaria bidwillii gymnosperm 0.0010 Lord and Westoby 2011 Cedrus deodara gymnosperm 0.0013 Lord and Westoby 2011 Ginkgo biloba gymnosperm 0.0015 Lord and Westoby 2011 Actinostrobus arenarius gymnosperm 0.0023 Lord and Westoby 2011 Sequoia sempervirens gymnosperm 0.0044 Lord and Westoby 2011 Cupressus sp. gymnosperm 0.0052 Lord and Westoby 2011 Juniperus thurifera gymnosperm 0.0078 Montesinos et al. 2012 Taxus baccata gymnosperm 0.0124 Lord and Westoby 2011 Chamaecyparis lawsoniana gymnosperm 0.0212 Lord and Westoby 2011 Podocarpus spinulosus gymnosperm 0.0344 Lord and Westoby 2011 Pinus halepensis gymnosperm 0.0478 Ne'eman et al. 2011 Macrozamia communis gymnosperm 0.4702 Lord and Westoby 2011 Casuarina distyla Wind-pollinated angiosperm 0.0050 Lord and Westoby 2006 Pistacia lentiscus Wind-pollinated angiosperm 0.0500 Milla et al. 2006 Spinifex hirsutus Wind-pollinated angiosperm 0.0570 Lord and Westoby 2006 Platanus racemosa Wind-pollinated angiosperm 0.0610 Lord and Westoby 2006 Dodonea triquetra Wind-pollinated angiosperm 0.0650 Lord and Westoby 2006 Corema album Wind-pollinated angiosperm 0.0780 Guitián et al. 1997 Schiedea salicaria (bisexual) Wind-pollinated angiosperm 0.1457 Sakai et al. 2007, Weller and Sakai 2005 Caustis recurvata Wind-pollinated angiosperm 0.2040 Lord and Westoby 2006 Schiedea salicaria (female) Wind-pollinated angiosperm 0.2289 Sakai et al. 2007, Weller and Sakai 2005 Rumex acetosella Wind-pollinated angiosperm 0.2305 Korpelainen 1992 Rumex acetosa Wind-pollinated angiosperm 0.2320 Korpelainen 1992 Schiedea adamantis (bisexual) Wind-pollinated angiosperm 0.4243 Campbell et al. 2010 Schiedea adamantis (female) Wind-pollinated angiosperm 0.5490 Campbell et al. 2010 Carex picta Wind-pollinated angiosperm 0.9102 Delph et al. 1993 Smilax glycophylla Animal-pollinated angiosperm 0.0220 Lord and Westoby 2006 Solanum dulcamara Animal-pollinated angiosperm 0.0230 Cruden and Lyon 1985 Borderea pyrenaica Animal-pollinated angiosperm 0.0275 García and Antor 1995 Micrantheum ericoides Animal-pollinated angiosperm 0.0290 Lord and Westoby 2006 Stephania japonica Animal-pollinated angiosperm 0.0310 Lord and Westoby 2006 Ilex aquifolium Animal-pollinated angiosperm 0.0419 Obeso and Retuerto 2002 Oemleria cerasiformis Animal-pollinated angiosperm 0.0450 Antos and Allen 1994 Cucurbita foetidissima Animal-pollinated angiosperm 0.0505 Kohn 1989 Phyllanthus thymoides Animal-pollinated angiosperm 0.0680 Lord and Westoby 2006 Dioscorea japonica Animal-pollinated angiosperm 0.0778 Mizuki et al. 2005 Nyssa sylvatica Animal-pollinated angiosperm 0.0799 Cipollini and Stiles 1991 Aucuba japonica Animal-pollinated angiosperm 0.0808 Abe 2002 Hesperis matronalis Animal-pollinated angiosperm 0.0866 Cruden and Lyon 1985 Wurmbea dioica Animal-pollinated angiosperm 0.0869 Barrett et al. 1999 Gilia achilleifolia Animal-pollinated angiosperm 0.1024 Schoen 1982a,b Diospyros australis Animal-pollinated angiosperm 0.1050 Lord and Westoby 2006 Smyrnium olusatrum Animal-pollinated angiosperm 0.1101 Lloyd 1980 Ilex leucoclada Animal-pollinated angiosperm 0.1113 Torimaru and Tomaru 2012 Aconitum gymnandrum Animal-pollinated angiosperm 0.1129 Zhao et al. 2008 Rubus chamaemorus Animal-pollinated angiosperm 0.1234 Agren 1988 Lathyrus vernus Animal-pollinated angiosperm 0.1250 Ehrlén 1991 Oxalis violacea Animal-pollinated angiosperm 0.1318 Cruden and Lyon 1985 Clutia pulchella Animal-pollinated angiosperm 0.1338 Thompson and Edwards 2001 Sisyrinchium campestre Animal-pollinated angiosperm 0.1370 Cruden and Lyon 1985 Acer japonicum Animal-pollinated angiosperm 0.1375 Sato 2002 Hepatica nobilis Animal-pollinated angiosperm 0.1385 Ehrlén 1991 Stylidium armeria Animal-pollinated angiosperm 0.1443 Brookes et al 2008, 2010 Silene alba Animal-pollinated angiosperm 0.1497 Gross and Soule 1981, Ehrlén 1991 Siparuna grandiflora Animal-pollinated angiosperm 0.1527 Nicotra 1999 Geranium maculatum Animal-pollinated angiosperm 0.1568 Cruden and Lyon 1985 Rhus trichocarpa Animal-pollinated angiosperm 0.1827 Matsuyama and Sakimoto 2008 Rhus javanica Animal-pollinated angiosperm 0.1950 Matsuyama and Sakimoto 2008 Hebe subalpina Animal-pollinated angiosperm 0.2227 Delph 1990 Gynatrix pulchella Animal-pollinated angiosperm 0.2438 Leigh et al. 2006 Asclepias quadrifolia Animal-pollinated angiosperm 0.2512 Chaplin and Walker 1982 Leucopogon melaleucoides Animal-pollinated angiosperm 0.2797 Vaughton and Ramsey 2011 Narthecium asiaticum Animal-pollinated angiosperm 0.2895 Ishii and Sakai 2002 Zanthoxylum ailanthoides Animal-pollinated angiosperm 0.3101 Matsuyama and Sakimoto 2010 Leucopogon melaleucoides Animal-pollinated angiosperm 0.3112 Vaughton and Ramsey 2011 Limnanthes douglasii Animal-pollinated angiosperm 0.3130 this study Cirsium arvense Animal-pollinated angiosperm 0.3160 Lord and Westoby 2006 Ligularia virgaurea Animal-pollinated angiosperm 0.3708 Zhang et al. 2012 Aciphylla simplicifolia Animal-pollinated angiosperm 0.3878 Pickering and Arthur 2003 Blandfordia grandiflora Animal-pollinated angiosperm 0.4220 Ramsey 1993 Impatiens hypophylla v. microhypophylla Animal-pollinated angiosperm 0.4708 Sato and Yahara 1999 Impatiens biflora Animal-pollinated angiosperm 0.4758 Schemske 1978 Ipomopsis aggregata Animal-pollinated angiosperm 0.5510 Cambell 1997 Clematis microphylla Animal-pollinated angiosperm 0.5600 Lord and Westoby 2006 Phacelia linearis (bisexual) Animal-pollinated angiosperm 0.6025 Eckhart 1992a, b Impatiens hypophylla v. hypophylla Animal-pollinated angiosperm 0.6113 Sato and Yahara 1999 Impatiens pallida Animal-pollinated angiosperm 0.6179 Schemske 1978 Lomandra longifolia Animal-pollinated angiosperm 0.6260 Lord and Westoby 2006 Phacelia linearis (female) Animal-pollinated angiosperm 0.7065 Eckhart 1992a, 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