| Name | Phymatosorus nigrescens (Blume) Pichi Sermolli | 
| Authorship | (Blume) Pichi Sermolli | 
| Rank | Species | 
| Placed in | Phymatosorus | 
| Citation | 1973 Webbia 28: 459 | 
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Phymatosorus nigrescens (Blume) Pichi Sermolli | 
| Identification made in | [no date] (2) | 
