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Perforated ruffled lichen

Parmotrema perforatum

Description:

A greenish-gray foliose lichen with black, unbranched cillia. Apothecia have a hole in the middle--this gives the lichen its species name and common name, and also distinguishes it from the similar appearing P. michauxianum.

Habitat:

Most commonly on trees. Occasionally on rocks.

Notes:

I have a tough time identifying lichens, but I'm confident I got this one right. Nonetheless, feel free to correct me (especially if you'll take the time to explain how you ID'd it).

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drP
Spotted by
drP

Virginia, USA

Spotted on Mar 26, 2013
Submitted on Mar 27, 2013

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