| Name | Juncus canadensis f. apertus Fernald |
| Authorship | Fernald |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Juncus canadensis J. Gay ex Laharpe |
| GUID | urn:lsid:ipni.org:names:288988-2 |
| Citation | 1945 Rhodora 47: 129 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Juncus canadensis f. apertus Fernald |
| Identification made in | [no date] (1) |