Johann Jacob Dillenius | |
|---|---|
 | |
| Born | 1684 |
| Died | 2 April 1747 |
| Nationality | German |
| Alma mater | University of Giessen |
| Known for | Hortus Elthamensis, Historia muscorum |
| Scientific career | |
| Fields | |
| Institutions | Oxford University |
| Author abbrev. (botany) | Dill. |
Johann Jacob Dillen Dillenius (1684 – 2 April 1747) was a German botanist. He is known for his Hortus Elthamensis ("Eltham Garden") on the rare plants around Eltham, London, and for his Historia muscorum ("History of Mosses"), a natural history of lower plants including mosses, liverworts, hornworts, lycopods, algae, lichens and fungi.