| Name | Thyridium undulatum (Dozy & Molk.) M. Fleischer |
| Authorship | (Dozy & Molk.) M. Fleischer |
| Rank | Species |
| Placed in | Thyridium |
| Citation | 1904 Musc. Buitenzorg 1: 230 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Thyridium undulatum (Dozy & Molk.) M. Fleischer |
| Identification made in | [no date] (1) |