Darwin Online Manuscript Catalogue
| Identifier: | CUL-DAR47.80 |
| Date: | [Undated] |
| Name: | Darwin Charles Robert |
| Attributed title: | It is Berkshire in which Centaurea nigrescens prevails almost to exclusion of common Form |
| Description: | Centaurea nigracea, Berkshire, Natural Selection `chap. 6' |
| Document type: | Note |