genus Roccella

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Noun1.genus Roccella - chiefly fruticose maritime rock-inhabiting lichens
fungus genus - includes lichen genera
family Roccellaceae, Roccellaceae - a fungus family of division Lichenes
roccella, Roccella tinctoria - a source of the dye archil and of litmus
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References in periodicals archive ?
The genus Roccella in the Iberian Peninsula and Balearic Islands