Janet Wehr, RN, devoted much of her nursing career to hospice care. Wehr has served as a member of the Therapeutic Touch International Association, the American Holistic Nurses Association, and the Saret Charitable Fund of DuPage County, IL.
George A. Petrides, ecologist and field naturalist, worked with the National Park Services and taught at Michigan State University at Lansing. Petrides has written for the Peterson Field Guide series and was the recipient of an award from the Federated Garden Clubs of Michigan for A Field Guide to Trees and Shrubs.
ROGER TORY PETERSON, one of the world’s greatest naturalists, received every major award for ornithology, natural science, and conservation as well as numerous honorary degrees, medals, and citations, including the Presidential Medal of Freedom. The Peterson Identification System has been called the greatest invention since binoculars.
Smell the bark of the aromatic Sassafras. Wonder at the Lodgepole Pine, whose heat-activated cones reseed forests destroyed by fire. Search for the Sugar Maple, whose foliage blazes red and yellow in autumn. North America's trees rank among nature's most awesome creations. This premier field guide features all characteristics-tree shape, bark, leaf, flower, fruit and twig-for quick identification, making it a superior choice for trail walks, creating displays, and scientific or commercial needs.
-All of North America in one volume
-Over 730 species in 76 families and 160 range maps
-Native species and important introduced foreign varieties
-Text, range maps, and illustrations seen together at a glance
-Common and scientific names
-Convenient measuring rules