| Name | Tillaea diffusa Kirk |
| Authorship | Kirk |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Tillaea |
| GUID | urn:lsid:ipni.org:names:276820-1 |
| Citation | 1891 Trans. & Proc. New Zealand Inst. 24: 424 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Tillaea diffusa Kirk |
| Identification made in | [no date] (1) |