| Name | Rutstroemia firma (Persoon) P. Karsten | 
| Authorship | (Persoon) P. Karsten | 
| Rank | Species | 
| Placed in | Rutstroemia | 
| GUID | urn:lsid:indexfungorum.org:names:160886 | 
| Citation | 1871 Bidrag Kännedom Finlands Natur Folk 19: 108 | 
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Rutstroemia firma (Persoon) P. Karsten | 
| Identification made in | [no date] (2) |