Endangered Species
Midwest Region



Map of Region 3 Minnesota Wisconsin Michigan

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American hart's-tongue fern

Asplenium scolopendrium var. americanum

American hart's-tongue fern


Status: Threatened, listed July 14, 1989


Habitat: Cool limestone sinkholes in mature hardwood forest


Lead Region: 4


Region 3 Lead Office: East Lansing, Michigan Field Office


Range: Alabama, Michigan, New York, Tennessee



Fact Sheet


Species Profile linked to National USFWS website


American hart's-tongue fern Recovery Plan PDF; 37 pages


American hart's Tongue Fern Abstract - Michigan Natural Features Inventory (2-page PDF)


U.S. Forest Service Plant Profile



Midwest Endangered Species


Last updated: December 5, 2016