Freeman Bibliographical Database
| Identifier: | A4489 |
| Date: | 1871 |
| Concise reference: | Heer, Oswald. 1871. Flora fossilis arctica. Die fossile Flora der Polarländer. Zurich: J. Wurster & Comp. [vol. 2 Darwin Pamphlet Collection] |
| Identifier: | A4489 |
| Date: | 1871 |
| Concise reference: | Heer, Oswald. 1871. Flora fossilis arctica. Die fossile Flora der Polarländer. Zurich: J. Wurster & Comp. [vol. 2 Darwin Pamphlet Collection] |