| Name | Epilobium leptophyllum f. umbrosum (Haussknecht) Fernald |
| Authorship | (Haussknecht) Fernald |
| Rank | Forma |
| Placed in | Epilobium leptophyllum Rafinesque |
| Citation | 1944 Rhodora 46(550): 383 |
| Name | Epilobium leptophyllum f. umbrosum (Haussknecht) Fernald |
| Authorship | (Haussknecht) Fernald |
| Rank | Forma |
| Placed in | Epilobium leptophyllum Rafinesque |
| Citation | 1944 Rhodora 46(550): 383 |