| Name | Myriophyllum verticillatum var. pectinatum Wallroth |
| Authorship | Wallroth |
| Rank | Variety |
| Placed in | Myriophyllum verticillatum Linnaeus |
| Citation | 1822 Sched. Crit. [ Massalongo] 489 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Myriophyllum verticillatum var. pectinatum Wallroth |
| Identification made in | [no date] (1) |
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