Potamogeton perfoliatus L.
Common Name: PONDWEED
Coefficient of Conservatism: 6
Coefficient of Wetness: -5
Wetness Index: OBL
Physiognomy: Nt P-Forb

Potamogeton perfoliatus inflorescence, fruit G. E. Crow inflorescence, fruit

Evidently very local, in lakes, streams, and rivers.

No Michigan specimens of P. perfoliatus have been collected in fruit, and the map is based on vegetative collections, which are apparently this species.


Houghton County
Livingston County
Luce County
Manistee County
Marquette County
Washtenaw County


MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. November 29, 2022. https://michiganflora.net/species.aspx?id=2334.