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Sarah Gregg   cc-by-nc-sa

Physcia caesia (Blue Gray Rosette Lichen) is a species of lichenous Fungi in the family Physciaceae. It has a foliose growth form. It is a symbiotroph.

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EOL has data for 6 attributes, including:

Known occurrences, collected specimens and observations of Blue-gray rosette lichen. View this species on GBIF