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Crustose, placodioid and leprose lichens: A

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Clicking on the lichen images opens a species page with photographs and details - images shown are not to scale.

Absconditella lignicola Acarospora fuscata Acarospora privigna (Polysporina simplex) Acarospora privigna (Polysporina simplex) Myriospora rufescens (Acarospora  rufescens) Myriospora smaragdula (Acarospora smaragdula) Acrocordia cavata Acrocordia conoidea Acrocordia conoidea Acrocordia conoidea Acrocordia gemmata Acrocordia gemmata Acrocordia salweyi Acrocordia salweyi Agonimia tristicula Alyxoria culmigena (Opegrapha herbarum) Alyxoria culmigena (Opegrapha herbarum) Alyxoria mougeotii (Opegrapha mougeotii) Alyxoria mougeotii (Opegrapha mougeotii) Alyxoria mougeotii (Opegrapha mougeotii) Alyxoria ochrocheila (Opegrapha ochrocheila) Alyxoria varia (Opegrapha varia) Alyxoria varia (Opegrapha varia) Alyxoria varia (Opegrapha varia) Alyxoria xerica (Opegrapha xerica) Alyxoria xerica (Opegrapha xerica) Amandinea pelidna (Amandinea lecideina) Amandinea punctata Amandinea punctata Anisomeridium biforme Anisomeridium polypori Anisomeridium polypori Anisomeridium ranunculosporum Anisomeridium robustum Anisomeridium robustum Arthonia apotheciorum Arthonia atra (Opegrapha atra) Arthonia calcarea (Opegrapha calcarea) Arthonia calcarea (Opegrapha calcarea) Coniocarpon cinnabarinum (Arthonia cinnabarina) Arthonia didyma Arthonia didyma Arthonia diploiciae Arthonia diploiciae Coniocarpon fallax (Arthonia elegans) Sparria endlicheri (Arthonia endlicheri) Arthonia fusca (Arthonia lapidicola) Arthonia fusca (Arthonia lapidicola) Arthonia fusca (Arthonia lapidicola) Arthonia graphidicola Arthonia meridionalis Arthonia meridionalis Bryostigma lapidicola, Arthonia muscigena Arthonia phaeophysciae Pachnolepia pruinata (Arthonia pruinata) Arthonia punctella Naevia punctiformis (Arthonia punctiformis) Arthonia radiata Diarthonis spadicea (Arthonia spadicea) Arthonia vinosa Arthopyrenia analepta Arthopyrenia analepta Arthopyrenia analepta Arthopyrenia analepta Arthopyrenia cinereopruinosa Arthopyrenia cinereopruinosa Naetrocymbe punctiformis (Arthopyrenia punctiformis) Naetrocymbe saxicola (Arthopyrenia saxicola) Circinaria calcarea (Aspicilia calcarea) Circinaria contorta (Aspicilia contorta) Athallia cerinella (Caloplaca cerinella) Athallia cerinelloides (Caloplaca cerinelloides) Athallia holocarpa agg (Caloplaca holocarpa agg) Athallia holocarpa s str (Caloplaca holocarpa ss) Athallia holocarpa s str (Caloplaca holocarpa ss)

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