Pennsylvania Blistered Naval Lichen Lasallia pensylvanica (Hoffm.) Llano  Synonyms: Blackened Toadskin.

There are 13 records in the project database.

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Pennsylvania Blistered Naval Lichens in Frederick Co., Maryland (7/22/2012). Photo by Richard Orr. (MBP list)

Pennsylvania Blistered Naval Lichen in Washington Co., Maryland (5/16/2015). Photo by Jim Stasz. (MBP list)

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