| Name | Epilobium leptocarpum var. macounii Trelease |
| Authorship | Trelease |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Epilobium leptocarpum Haussknecht |
| GUID | urn:lsid:ipni.org:names:92550-2 |
| Citation | 1891 Rep. (Annual) Missouri Bot. Gard. 2: 103 |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Epilobium leptocarpum var. macounii Trelease |
| Identification made in | [no date] (6) |