With non-technical descriptions and more than 500 photos and drawings, this full-color field guide invites readers to explore the Pacific Northwest's diverse array of mountain wildflowers, ferns,... This description may be from another edition of this product.
good, but only covers common species. no keys to genus/sp
Published by Thriftbooks.com User , 27 years ago
Good photographs, but these alone are not adequate to allow identification of many of the species described. Since most distinguishing characteristics of related species are described in terms of "less than" or "more than" the species photographed, and since you often can't see those characters in the photograph, it is often difficult to use this field guide to distinguish between related species. The key is only to the family level
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15. ThriftBooks.com. Read more. Spend less.