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Roccella
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Roccella fuciformis lichen
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Roccella fuciformis lichen
Roccella fuciformis lichen Roccella fuciformis, a fruticose lichen.

Roccella

lichen genus
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Related Topics:
lichen

Roccella, genus of tropical fruticose lichen, an important source of the dye orchil and litmus.

This article was most recently revised and updated by Melissa Petruzzello.