Barbara G. Hallowell · Barbara H
Blair · Nature Study Guild Publishers
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Fern Finder: A Guide to Native Ferns of Central and Northeastern United States and Eastern Canada | 978-0-912550-24-4 (0-912550-24-4) | 2001 |
| Mountain Year | 978-0-89587-222-7 (0-89587-222-6) | 1998 |