Richard Spellenberg
Richard Spellenberg has written at least 2 books. Their most popular book is National Audubon Society field guide to North American wildflowers : western region with 2 saves with an average rating of -⭐.
Authorship percentage indicates primary author status - excluding introductions, forewards and other contributions.
Series
11 released booksAuthored 9% of series
National Audubon Society Field Guides
National Audubon Society Field Guides is a 11-book series with 11 released primary works first released in 1977 with contributions by National Audubon Society, John L. Bull, and John Farrand.
