KNP Rare Plants Database


 
KY Office of Kentucky Nature Preserves




Large-leaf Pondweed
Potamogeton amplifolius
Family: Potamogetonaceae

Protection Status:
State Status:  E
USFWS Status: 

Global Rank: G5
State Rank: S1?

   

Photo by Dan Busemeyer @ TENN
Habitat:
Quiet pools along streams.

Species Description:
Perennial aquatic plant.

Phenology:
Flowering Period: Early June to late September.

Additional Information at NatureServe

Diagnostic Characteristics:
The submersed leaves have 25-37 veins, at least the largest ones, and are folded lengthwise. The achenes are 4.5-5 mm - larger than other similar species.

Management:
Avoid changes in moisture/hydrologic conditions at the site. Changes could result from overstory removal, stream/wetland alteration or vegetation removal that would result in increased erosion.

Global Range:


Known Kentucky Occurrences:
Species occurrence map

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Data Last Updated: November 2018
Office of Kentucky Nature Preserves
300 Sower Blvd
Frankfort,KY 40601
Phone: (502) 573-2886
Email:
naturepreserves@ky.gov
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