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However, to augment the book's range and usefulness, space has been made in this Appendix for "Shade Tree Evaluation", the authoritative listing and grading of North American home-grounds species, published jointly by the National Shade Tree Conference and the National Arborist Association, with whose permissions it is presented here. The lists have been rearranged for the convenience of non-professionals by alphabetizing the English names and italicizing their Latin names in parentheses. For explanation of how the "Shade Tree Evaluation" formula is applied, see Chapter IX. The authors of "Shade Tree Evaluation" currently contemplate a revision of their lists, but this will not importantly affect the present scales except to raise the values assigned to certain of the smaller, ornamental species. States and Provinces included in each of the regions in the lists of trees are: I. New England: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont. II. Eastern: New Jersey, New York, Pennsylvania. III. Southern: Alabama, Delaware, District of Columbia, Florida, Georgia, Louisiana, Maryland, Mississippi, North Carolina, South Carolina, Tennessee, Texas, Virginia, West Virginia. IV. Central: Indiana, Kentucky, Michigan, Ohio. V. Midwestern: Arkansas, Colorado, Illinois, Iowa, Kansas, Minnesota, Missouri, Nebraska, North Dakota, Oklahoma, South Dakota, Wisconsin. VI. Western: Arizona, California, Idaho, Montana, Nevada, New Mexico, Oregon, Utah, Washington, Wyoming, British Columbia. VII. Eastern Canada: Ontario and Quebec. |
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Without expanding this website beyond a size proportionate to its purpose it was impossible to deal at any length with the special tree problems and tree values of special regions like Florida or Southern California. It would have been nice to include mention of Alaska's graceful and valuable balsam poplar and yellow cedar, and of sandalwood in Hawaii and experiments in those islands with English oak and other exotics as sources of lumber. But there simply was not room for such tempting frills.
