| Name | Lophiostoma caulium f. epilobii P. Karsten |
| Authorship | P. Karsten |
| Rank | Forma |
| Placed in | Lophiostoma caulium (Fries: Fries) Cesati & De Notaris |
| Citation | 1866 Fungi Fenniae Exsicc. 4: 345 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Lophiostoma caulium f. epilobii P. Karsten |
| Identification made in | [no date] (1) |