Kentucky Nature Preserves Rare Plants

Kentucky State Nature Preserves Commission

Vallisneria americana
Family: Hydrocharitaceae

Protection Status:
State Status:  S
USFWS Status: {null}

Global Rank: G5
State Rank: S2S3

Shallow quiet waters and shores.

Species Description:
Perennial aquatic herb.

Flowering Period: Early July to late September.

Additional Information at NatureServe

Diagnostic Characteristics:
This submersed aquatic plant has long grass-like leaves that can be to 2 m in length and 3-10 mm wide. The flowers float at the water surface on long extending pedicles.

Disturbance i.e. roads, tree removal, within the watershed of the stream where this species occurs could change the hydrology or water quality and result in a decline in the quality of the habitat.

Global Range:

Known Kentucky Occurrences:

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Data last updated: Wednesday, May 28, 2014
Kentucky State Nature Preserves Commission
801 Teton Trail
Frankfort,KY 40601
Phone: (502) 573-2886
Fax: (502) 573-2355
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