| Name | Ascochyta lactucae Rostrup |
| Authorship | Rostrup |
| Rank | Species |
| Placed in | Ascochyta Libert |
| Citation | 1882 Mycoth. Univ. 21 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Ascochyta lactucae Rostrup |
| Identification made in | [no date] (2) |