| Name | Syrmatium niveum Greene | 
| Authorship | Greene | 
| Rank | Species | 
| Placed in | Syrmatium Vogel | 
| GUID | urn:lsid:ipni.org:names:1010771-1 | 
| Citation | 1886 Bull. Calif. Acad. Sci. 2: 148 | 
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Syrmatium niveum Greene | 
| Identification made in | [no date] (2) |