Christian Eral · Christine Erhel · Christopher Earl · Christopher J. Earle
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Trees of Eastern North America | 978-0-691-14590-7 (0-691-14590-3) | 2014 | Gil Nelson · Richard Spellenberg |
| Trees of Western North America | 978-0-691-14579-2 (0-691-14579-2) | 2014 | Richard Spellenberg · Gil Nelson |