Piccolia
... that while some lichen species in the genus Piccolia have ranges which span multiple continents, others are restricted to single islands?
... that while some <a href="./Lichen" id="mwA_g" rel="mw:WikiLink" title="Lichen">lichen</a> species in the genus <i id="mwA_k"><b id="mwA_o"><a href="./Piccolia" id="mwA_s" rel="mw:WikiLink" title="Piccolia">Piccolia</a></b></i> have ranges which span multiple continents, others are restricted to single islands?