| Publication Type: | Journal Article |
| Year of Publication: | 1920 |
| Authors: | Engler, A. |
| Journal: | Das Pflanzenreich, IV E |
| Volume: | 23 |
| Pagination: | 1–139 |
| Publication Type: | Journal Article |
| Year of Publication: | 1920 |
| Authors: | Engler, A. |
| Journal: | Das Pflanzenreich, IV E |
| Volume: | 23 |
| Pagination: | 1–139 |