| Name | Schoenoplectus purshianus var. williamsii (Fernald) S. G. Smith |
| Authorship | (Fernald) S. G. Smith-1 |
| Rank | Variety |
| Placed in | Schoenoplectus purshianus (Fernald) M. T. Strong |
| GUID | urn:lsid:ipni.org:names:1160556-2 |
| Citation | 2 Apr 2002 Novon 12 (1): 107 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Schoenoplectus purshianus var. williamsii (Fernald) S. G. Smith |
| Identification made in | 1995 (1) |
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