Kentucky Nature Preserves Rare Plants

Kentucky State Nature Preserves Commission

Woodland Beakrush
Scirpus expansus
Family: Cyperaceae

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

Global Rank: G4
State Rank: S1S2

Swamps, bogs and streamsides.

Species Description:
Perennial herb.

Flowering Period: Early July to late September.
Fruiting Period: Early July to late August.

Additional Information at NatureServe

Diagnostic Characteristics:
The lower leaf blades and sheaths of this bulrush are purplish and the top of the culm is scabrous. Also, stems do not come from the ground in clusters but as single stems. The styles are divided into 3 parts (trifid). Scales in the inflorescence are dark (brown to black) with a green midstripe. Spikelets are not obviously drooping.

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:

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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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