| Name | Myriophyllum exalbescens Fernald |
| Authorship | Fernald |
| Rank | Species |
| Placed in | Myriophyllum |
| Citation | 1919 Rhodora 21(247): 120–122 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Myriophyllum exalbescens Fernald |
| Identification made in | [no date] (2) |