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.
|Availability||Usually ships in 24 to 48 hours|
|Author/Editor||William M. Harlow|
|Dimensions||5 3/8 x 8 1/2|