Freeman Bibliographical Database
| Identifier: | A4525 |
| Date: | 1863 |
| Concise reference: | Hildebrand, Friedrich H. G. 1863. On the impregnation in orchids as a proof of the two different effects of the pollen. Annals and Magazine of Natural History 3d ser. 12: 169-174. [Published through Darwin's invervention. CCD11:536] |