| Name | Marsupella emarginata Dumortier |
| Authorship | Dumortier |
| Rank | Species |
| Placed in | Marsupella |
| Contains | Marsupella emarginata var. aquatica (Lindenberg) Dumortier |
| Citation | 1822 Commentat. Bot. (Dumort.) 114 |
| Holdings | 140 Specimens held in the Harvard University Herbaria identified as Marsupella emarginata Dumortier |
| Identification made in | [no date] (130), 2018 (8), 2019 (2) |