Kentucky Nature Preserves Rare Plants

Kentucky State Nature Preserves Commission

Blackfoot Quillwort
Isoetes melanopoda
Family: Isoetaceae

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

Global Rank: G5
State Rank: S1

Shallow depressions of sandstone and igneous glades and ledges, margins of ponds and sinkhole ponds, and moist depressions and ditches in sand (Steyermark 1963).

Species Description:
Perennial herb.

Flowering Period: Early April to late July.

Additional Information at NatureServe

Diagnostic Characteristics:
Quillworts are small grassy looking plants that produce spores at their leaf bases. They are allied with ferns. I. melanopoda is distinct in having black leaf bases and occurs at seasonally wet sites like seasonal ponds. The megaspores average under 0.45 mm wide.

Disturbance such as ATV trails, timber removal or any activity that results in increased erosion and weed invasion will be detrimental.

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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