| Name | Potamogeton subdentatus nothovar. petiolatus Hagström |
| Authorship | Hagström |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Potamogeton subdentatus Hagström |
| Citation | 1916 Kongl. Svenska Vetensk. Acad. Handl. 55(5): 201 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Potamogeton subdentatus nothovar. petiolatus Hagström |
| Identification made in | [no date] (1) |
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