Download or read book Per Axel Rydberg written by Arnold Tiehm and published by . This book was released on 1990 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rydberg, one of the most productive scientists at the New York Botanical Garden during its first century, possessed a wealth of knowledge on the flora of the Rocky Mountain region & the Great Plains of North America. This Memoir celebrates the man & his deeds & includes a 215- item bibliography.