| Publication Type: | Journal Article |
| Year of Publication: | 1919 |
| Authors: | É. Hassler |
| Journal: | Annuaire du Conservatoire et du jardin botaniques de Genève. |
| Volume: | 21 |
| Start Page: | 109 |
| Short Title: | Annuaire Conserv. Jard. Bot. Genève |
| Alternate Journal: | Annuaire Conserv. Jard. Bot. Genève |