159560
9780486205113
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 . . . can get accurate identifications faster with these guides than with any of the many teacher's mimeographed ones." -- Phytologia.Harlow, William M. is the author of 'Fruit Key and Twig Key to Trees and Shrubs', published 1959 under ISBN 9780486205113 and ISBN 0486205118.
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