| Author: | Vries, Hugo de, 1848-1935 |
| Subject: | QH, QK, Evolution (Biology), Plants -- Variation, Plant mutation, Plant hybridization, Plants -- Evolution |
| Format: | Electronic text |
| Date issued: | 2005 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Species and Varieties, Their Origin by Mutation [electronic resource] / Hugo de Vries |