| Authors(s) | Dressler, R. L. |
| Year | 1991 |
| Title | The orchids; natural history and classification. Harvard Univ. Press, Cambridge, Mass. |
| Authors(s) | Dressler, R. L. |
| Year | 1991 |
| Title | The orchids; natural history and classification. Harvard Univ. Press, Cambridge, Mass. |