| Name | Ulva lactuca var. rosulans Schiffner |
| Authorship | Schiffner |
| Rank | Variety |
| NomenclaturalStatus | Unknown |
| Placed in | Ulva lactuca Linnaeus |
| Remarks | Created from Taxon Name Import: Ulva lactuca var. rosulans Schiffner |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Ulva lactuca var. rosulans Schiffner |
| Identification made in | [no date] (2) |