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Showing results for tags 'conifers'.
Found 4 results
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Couple Jurassic plants we found today from the shuttle meadow formation. Extra thanks to Tim for the company and expertise. Had a great time splitting rocks and finding stuff.
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The following classification scheme was adopted: Anderson, J.M., Anderson, H.M., and Cleal, C.J. (2007) Brief history of the gymnosperms: classification, biodiversity, phytogeography and ecology, Strelitzia 20, South African National Biodiversity Institute, Pretoria (LINK). Some relevant literature where Hermitia germanica is mentioned: Vischer, H., Kerp, J.H.F., and Clement-Westerhof, J.A. (1986), Aspects of Permian Palaeobotany and Palynology. VI. Towards a flexible system of naming palaeozoic Conifers, Acta botanica neerlandica 35-2, pp. 87–100 (LINK). Lausberg, S., and Kerp, J.H.F. (2000), Eine Coniferen-dominierte Flora aus dem Unterrotliegend von Alsenz, Saar-Nahe-Becken, Deutschland, Feddes Repertorium 111-7/8, pp. 399–426 (LINK).
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Does anyone know of a good book, pdf or websites that attempts to explain the evolution of cold climate flora (specifically conifers)? I would prefer a good book. I've been reading bits and pieces of things, but nothing that has answered any of my questions. I've noticed tons of material about warm climate flora, but almost nothing on cold climate flora. Conifers are a essential to life in the present time and they produce a third of the Earth's oxygen, and they have evolved to be the largest, tallest and oldest living flora. Why? What did cones evlove from (what part of the plant)? Sap, why? I have countless questions.....haha Thanks, Charlie
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Dear all, Since it is simply impossible for an individual collector to collect everywhere, trading offers a great method to diversify. Several TFF Members are actively collecting plant fossils and together we cover an almost worldwide range of different localities. Even if you are specializing in a particular area, fossils of equivalent age from elsewhere could prove interesting material for comparison purposes (for example, there are some interesting parallels and differences between the European and North American Pennsylvanian floras). My question is, therefore: is anyone interested in trading plant fossil material? Anyone who had any plant material to offer for trade, or is looking for particular specimens to trade, please chime in! Cheers, Tim
