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A carregar... Tree Finder (1939)por May Theilgaard Watts
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Adira ao LibraryThing para descobrir se irá gostar deste livro. Ainda não há conversas na Discussão sobre este livro. I love the format of this little pocket-sized guide to tree identification. It is in the format of a dichotomous key; a decision "tree" that allows you to identify a tree species by the characteristics of its leaves. At every "branch" you must make a decision. Needles or leaves? Drooping branches or non-drooping? Lobed leaves or wavy-margined leaves? Leaf tips pointy or rounded? At the end node of each decision path is the identity of the tree in question. Here is a website, provided by Virginia Tech, that has expanded on the concept in an online multichotomous format. http://www.cnr.vt.edu/DENDRO/DENDROLOGY/idit.htm You have to love the term "dichotomous key". It's vaguely reminiscent of the name Hieronymus Bosch, an artist whose paintings could use a dichotomous key to help me interpret their meaning. Hardly the definitive guide, but this book is SO HANDY! It has a very good collection of the most common trees & makes it very easy for even a novice to find out the name (both common & Latin) for an unknown, native tree. Some invasives (non-native) included, but again, only the most common ones. I carry one in my truck or in my back pocket most of the time. I identify 95% of the trees I see with this or at least get a good idea of what they are. Then I can use a better reference to figure out the exact one. sem críticas | adicionar uma crítica
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Guide to identifying native (and some widely introduced) trees of U.S. and Canada east of the Rocky Mountains. Organized as a dichotomous key, the book leads the user through a series of simple questions about the shape or appearance of different parts of a tree. Includes 161 species. Illustrated with line drawings. The small (6" by 4") format fits in pocket or pack to take along on a hike. Não foram encontradas descrições de bibliotecas. |
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Google Books — A carregar... GénerosSistema Decimal de Melvil (DDC)582.160973Natural sciences and mathematics Plants Plants noted for specific vegetative characteristics and flowers Herbaceous and woody plants, plants noted for their flowers Trees History, geographic treatment, biography North AmericaClassificação da Biblioteca do Congresso dos EUA (LCC)AvaliaçãoMédia:
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