| Name | Marchantia papillata subsp. grossibarba (Stephani) Bischler |
| Authorship | (Stephani) Bischler |
| Rank | Subspecies |
| NomenclaturalStatus | NomLeg |
| Placed in | Marchantia papillata Raddi |
| Citation | 1989 Cryptog. Bryol. Lichenol. 10: 78 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Marchantia papillata subsp. grossibarba (Stephani) Bischler |
| Identification made in | [no date] (1) |