Fruit Key and Twig Key to Trees and Shrubs, by Harlow, William M.
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- ISBN: 9780486205113 | 0486205118
- Cover: Paperback
- Copyright: 6/1/1959
One of the handiest and most widely used identification aids. Fruit key covers 120 deciduous and evergreen species; twig key covers 160 deciduous species. Easily used. Over 300 photographs. "Students in the field . . . with hands full of twigs can get accurate identifications faster with these guides than with any of the many teacher's mimeographed ones . . . this book should prove useful for many years to come!"-Phytologia.