| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Trees and Shrubs of Virginia | 978-0-8139-2114-3 (0-8139-2114-7) | 2002 | Fred C. Swope |
| Wildflowers of the Shenandoah Valley and Blue Ridge Mountains | 978-0-8139-2113-6 (0-8139-2113-9) | 2002 | " |
| Wild Flowers of Tidewater Virginia | 978-0-8139-0922-6 (0-8139-0922-8) | 1982 | " |
O. G. · O.W. · Oscar G. · Oscar W. Gupton · W G