KNP Rare Plants Database


 
KY Office of Kentucky Nature Preserves




Blackfoot Quillwort
Isoetes melanopoda
Family: Isoetaceae

Protection Status:
State Status:  E
USFWS Status: 

Global Rank: G5
State Rank: S1

   

Photo by B. Eugene Wofford @ TENN
Habitat:
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.

Phenology:
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. The megaspores average under 0.45 mm wide. They occur at seasonally wet sites where they are amphibious in seasonal ponds.

Management:
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:
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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