| 
by: Mason Hale · John Bamrick · Edward Cawley · Wm. JaquesSpiral-bound 
 
 
 ISBN: 978-0-697-04763-2 ISBN-10: 0-697-04763-6  | 
| See also (possibly by other authors): | ||
| 1979 | Hardcover | How to Know the Lichens (The Pictured Key Nature Series) | 
| 1969 | Paperback | How to Know the Lichens |