Download or read book Fruit Key and Twig Key to Trees and Shrubs written by William M. Harlow and published by Courier Corporation. This book was released on 2012-11-21 with total page 127 pages. Available in PDF, EPUB and Kindle. Book excerpt: DIVOne 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. /div