| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Trees of New York State: Native and Naturalized | 978-O-8156-3OO2-9 (O-8156-3OO2-6) | 2003 | Donald Joseph Leopold |
P. Lang · Philip L. · R. L · R. Lang · R. P. · Robert L. · Robert Lang · Robert P. · Robert Philip