"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
Dover Publications Web Site, August, 2001
Summary
One of the handiest and most widely used identification aids. Fruit key covers 120 deciduous and evergreen species;
twig key 160 deciduous species. Easily used. Over 300 photographs.
