| Name | Porotrichum plagiorhynchum Renauld & Cardot | 
| Authorship | Renauld & Cardot | 
| Rank | Species | 
| NomenclaturalStatus | NomLeg | 
| Placed in | Porotrichum | 
| Citation | 1894 Bull. Soc. Roy. Bot. Belgique 32(1): 45 | 
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Porotrichum plagiorhynchum Renauld & Cardot | 
| Identification made in | [no date] (1), 2005 (1) | 
