| Name | Ceratostoma subrostratum P. Karsten | 
| Authorship | P. Karsten | 
| Rank | Species | 
| NomenclaturalStatus | NomLeg | 
| Placed in | Ceratostoma | 
| Citation | 1869 Fungi Fenniae Exsicc. 9: 859 | 
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Ceratostoma subrostratum P. Karsten | 
| Identification made in | [no date] (1) | 
