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Tree Finder (1963)

de May Theilgaard Watts

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568433,159 (3.77)1
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.… (més)
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Carry on your hikes through the forest or park.
Nature Study Guides ( )
  4bonasa | Dec 22, 2017 |
The finder is really easy to follow, and uses simple guidelines based primarily on leaf shape, placement, etc. The system is logical, and easy to use. Sometimes the illustrations can be misleading (it's easy to do maples, sassafras, and sweetgum, but oaks were trickier because of the illustrations and the many trees that have very similar leaves are really hard). Overall, however, it's a great system. It could use a little more information, but for a guide that easily fits in your purse, it's magic. ( )
  the1butterfly | May 6, 2010 |
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. ( )
  mwhel | Sep 26, 2009 |
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. ( )
  jimmaclachlan | Sep 25, 2009 |
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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.

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