| Name | Protomarattia tonkinensis Hayata |
| Authorship | Hayata |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Protomarattia |
| GUID | urn:lsid:ipni.org:names:17355710-1 |
| Citation | 1919 Bot. Gaz. 67: 88 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Protomarattia tonkinensis Hayata |
| Identification made in | [no date] (1) |