| Name | Epilobium ciliatum subsp. watsonii (Barbey) Hoch & P. H. Raven |
| Authorship | (Barbey) Hoch & P. H. Raven |
| Rank | Subspecies |
| Placed in | Epilobium ciliatum Rafinesque |
| Citation | 1977 Ann. Missouri Bot. Gard. 64(1): 136 |
| Holdings | 38 Specimens held in the Harvard University Herbaria identified as Epilobium ciliatum subsp. watsonii (Barbey) Hoch & P. H. Raven |
| Identification made in | [no date] (38) |