Ramalina Ramalina canariensis Ramalina cuspidata Ramalina farinacea Ramalina fastigiata Ramalina fraxinea Ramalina portuensis Ramonia Ramonia dictyospora - see Karstenia dictyospora Ramonia interjecta - see Karstenia rhopaloides Ramonia nigra - see Karstenia nigra Rhizocarpon Rhizocarpon amphibium Rhizocarpon badioatrum Rhizocarpon geographicum Rhizocarpon intersitum Rhizocarpon lavatum Rhizocarpon lecanorinum Rhizocarpon oederi - see Haugania oederi Rhizocarpon petraeum Rhizocarpon reductum Rhizocarpon richardii Rhizocarpon umbilicatum Ricasolia Ricasolia amplissima Ricasolia virens Rimularia Rimularia badioatra Rimularia furvella - see Lambiella furvella Rimularia gyrizans - see Lambiella gyrizans Rimularia insularis - see Lambiella insularis Rimularia intercedens Rimularia limborina Rinodina Rinodina aspersa Rinodina atrocinerea Rinodina beccariana Rinodina biloculata - see Orcularia insperata Rinodina bischoffii Rinodina calcarea Rinodina efflorescens Rinodina exigua Rinodina luridescens Rinodina oleae Rinodina pityrea Rinodina roboris Rinodina sicula Rinodina sophodes Rinodina teichophila Roccellographa Roccellographa sorediata Ropalospora Ropalospora lugubris forma sorediata Rufoplaca Rufoplaca arenaria