Kentucky Nature Preserves Rare Plants

Kentucky State Nature Preserves Commission

Lea's Bog Lichen
Phaeophyscia leana
Family: Physciaceae

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

Global Rank: G2
State Rank: S1?

Floodplain forests along the Ohio River, occurs on the trunks of hardwood trees. Occurs in an elevation zone where the spring flood crests average 8 m above the normal pool level of the Smithland Dam.

Species Description:
Foliose lichen.


Additional Information at NatureServe

Diagnostic Characteristics:
This light brown (light green in some phases) lichen is found exclusively on the bark of floodplain trees. It forms apothecia (small cup like structures) and these are red/dark brown/black in coloration.

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:
P. leana occurs only along floodplains in the Ohio River valley of the midwestern United States. It occurs in Illinois, Kentucky, and Tennessee, and is historical in Ohio.

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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