| Name | Spergularia canadensis var. occidentalis R. Rossbach |
| Authorship | R. Rossbach |
| Rank | Variety |
| Placed in | Spergularia canadensis (Persoon) G. Don |
| GUID | urn:lsid:ipni.org:names:241311-2 |
| Holdings | 24 Specimens held in the Harvard University Herbaria identified as Spergularia canadensis var. occidentalis R. Rossbach |
| Identification made in | [no date] (22), 1939 (1), 2015 (1) |
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