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Lichens of the Chicago Region

Wilhelm, G. 2018. Working Draft of the Lichens of the Chicago Region. Conservation Research Institute, Cedarburg, Wisconsin. Last Revised Jan 22, 2018.

Stiff Tar-spot Lichen 1
Placynthiella icmalea
a tar-spot lichen 2
Placynthiella oligotropha
Pear Tar-spot Lichen 3
Placynthiella uliginosa

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