Freeman Bibliographical Database
| Identifier: | A4366 |
| Date: | 1876 |
| Concise reference: | Gray, Asa. 1876. Burs in the Borage family. American Naturalist 10: 1-4. [Darwin Pamphlet Collection] |
| Identifier: | A4366 |
| Date: | 1876 |
| Concise reference: | Gray, Asa. 1876. Burs in the Borage family. American Naturalist 10: 1-4. [Darwin Pamphlet Collection] |