Wilhelm, G. 2018. Working Draft of the Lichens of the Chicago Region. Conservation Research Institute, Cedarburg, Wisconsin. Last Revised Jan 22, 2018.
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Verrucaria illinoisensis doesn't have a default photo yet. Add One Now
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Verrucaria sordida doesn't have a default photo yet. Add One Now
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Arthonia diffusa doesn't have a default photo yet. Add One Now
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Arthothelium hallii doesn't have a default photo yet. Add One Now
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