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Náttúrufræðingurinn - 1993, Qupperneq 77

Náttúrufræðingurinn - 1993, Qupperneq 77
erfðaefni og myndunar nýrra arfgerða. Mun færri plöntustofnar virðast hins vegar viðhaldast án þeirra dreifingar- möguleika sem fást með fræjum. ÞAKKIR Dr. Borgþór Magnússon og dr. Helgi Björnsson lásu greinina yfir og komu með margar gagnlegar ábendingar og tillögur. Kann ég þeim bestu þakkir fyrir. HEIMILDIR Coe, M.J., D.L. Dilcher, J.O. Farlow, D.M. Jarzen & D.A. Russell 1989. Di- nosaurs and land plants. í The Origins of Angiosperms and their Biological Consequences (ritstj. E.M. Friis, W.G. Chaloner & P.R. Crane). Cambridge University Press. Bls. 225-258. Crepet, W.L. 1983. The role of Insect Pol- lination in the Evolution of the Angio- sperms. í Pollination Biology (ritstj. L. Real). Academic Press. Bls. 31-50. Crepet, W.L. & E.M. Friis 1989. The ev- olution of insect pollination in angio- sperms. 1 The Origins of Angiosperms and their Biological Consequences (rit- stj. E.M. Friis, W.G. Chaloner & P.R. Crane). Cambridge University Press. Bls. 181-202. Cronquist, A. 1988. The Evolution and Classification of Flowering Plants. 2. útg. The New York BotanicaI Garden, New York. 555 bls. Friis, E.M. & W.L. Crepet 1989. Time of appearance of floral features. í The Or- igins of Angiosperms and their Biologi- cal Consequences (ritstj. E.M. Friis, W.G. Chaloner & P.R. Crane). Cam- bridge University Press. Bls. 145-179. Gifford, E.M. & Á.S. Foster 1989. Mor- phology and Evolution of Vascular Plants. W.H. Freeman Co. 696 bls. Harper, J.L. 1977. Population Biology of Plants. Academic Press. 892 bls. Hickey, M. & King, C. 1988. 100 Families of Flowering Plants. 2. útg. Cambridge University Press, Cambridge. Janzen, D. 1986. Seeds as products. Oikos 46. 1-2. Keng, H. 1983. Orders and Families of Malayan Seed Plants. Singapore Univer- sity Press, Singapore. Probert, R. 1992. Seeds of success. Nature 359. 450. Raven, P.H., R.F. Evert & S.E. Eichhorn 1992. Biology of Plants, 5. útg. Wortli Publishers, Inc. 791 bls. Takhtajan, A. 1991. Evolutionary Trcnds in Flowering Plants. Cohtmbia Universi- ty Press, New York. 241 bls. Taylor, D.W. 1982. Reproductive biology of early seed plants. BioScience 32. 23- 28. Tiffney, B.H. 1986. Evolution of seed dis- persal syndromes according to the fossil records. Seed Dispersal (ritstj. D.R. Murray). Academic Press. Wareing, P.F. & I.D.J. Phillips 1970. The Control of Growth and Differentiation in Plants. Pergamon Press. 303 bls. Wing, S.L. & B.H. Tiffney 1989. Angio- sperms and herbivorous tetrapods. í The Origins of Angiosperms and their Bio- logical Consequences (ritstj. E.M. Friis, W.G. Chaloner & P.R. Crane). Cam- bridge University Press. BIs. 203-224 Þóra Ellen Þórhallsdóttir 1993. Vistfræði fræja. Náttúrufrœöingurinn 63. árg. (í prentun). PÓSTFANG HÖFUNDAR Þóra Ellen Þórhallsdóttir Líffrceðistofnun Háskólans Grensásvegi 12 108 Reykjavík 71
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