Rudolf Freund contributed to nature guides from Golden Guides and St. Martin's Press.
Herbert S. Zim, Ph.D. and Alexander C. Martin, Ph.D., Former Senior Biologist, U.S. Fish and Wildlife Service; Illustrated by Rudolf Freund
St. Martin's Press
Golden Guides from St. Martin's Press
This is a practical beginner's guide to the most common American wildflowers. Emphasis is on those with showy petals and those that the amateur is most likely to see. Special features include: