| Name | Myriophyllum ambiguum var. natans de Candolle |
| Authorship | de Candolle |
| Rank | Variety |
| Placed in | Myriophyllum ambiguum Nuttall |
| GUID | urn:lsid:ipni.org:names:166318-2 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Myriophyllum ambiguum var. natans de Candolle |
| Identification made in | [no date] (1) |