(Paperback - English - 9780771894589)
This book is the most comprehensive work on alders, birches, oaks, poplars, willows and other catkin-bearing plants in British Columbia. Dr. T.C. Brayshaw describes all 67 species -- and many subspecies and varieties -- each accompanied by a detailed line drawing and a distribution map. The book also includes diagnostic keys to the families, genera and species. ..