| Author: | Humboldt, Alexander von, 1769-1859 |
| Subject: | QK, Phytogeography, Plant ecology |
| Format: | Electronic text |
| Date issued: | 2007 |
| Language: | German |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Ideen zu einer Physiognomik der Gewächse [electronic resource] / Alexander von Humboldt |