| Name | Callitriche deflexa var. subsessilis Fassett |
| Authorship | Fassett |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Callitriche deflexa A. Braun ex Hegelmaier |
| GUID | urn:lsid:ipni.org:names:42494-2 |
| Citation | 1951 Rhodora 53: 150 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Callitriche deflexa var. subsessilis Fassett |
| Identification made in | [no date] (2), 1949 (3) |