<p>Nine new genera, 17 new species, nine new combinations, seven epitypes, three lectotypes, one neotype, and 14 interesting new host and / or geographical records are introduced in this study. New genera: <i>Neobarrmaelia</i> (based on <i>Neobarrmaelia hyphaenes</i>), <i>Neobryochiton</i> (based on <i>Neobryochiton narthecii</i>), <i>Neocamarographium</i> (based on <i>Neocamarographium carpini</i>), <i>Nothocladosporium</i> (based on <i>Nothocladosporium syzygii</i>), <i>Nothopseudocercospora</i> (based on <i>Nothopseudocercospora dictamni</i>), <i>Paracamarographium</i> (based on <i>Paracamarographium koreanum</i>), <i>Pseudohormonema</i> (based on <i>Pseudohormonema sordidus</i>), <i>Quasiphoma</i> (based on <i>Quasiphoma hyphaenes</i>), <i>Rapidomyces</i> (based on <i>Rapidomyces narthecii</i>). New species: <i>Ascocorticium sorbicola</i> (on leaves of <i>Sorbus aucuparia</i>, Belgium), <i>Dactylaria retrophylli</i> (on leaves of <i>Retrophyllum rospigliosii</i>, Colombia), <i>Dactylellina miltoniae</i> (on twigs of <i>Miltonia clowesii</i>, Colombia), <i>Exophiala eucalyptigena</i> (on dead leaves of <i>Eucalyptus viminalis</i> subsp. <i>viminalis</i> supporting <i>Idolothrips spectrum</i>, Australia), <i>Idriellomyces syzygii</i> (on leaves of <i>Syzygium chordatum</i>, South Africa), <i>Microcera lichenicola</i> (on <i>Parmelia sulcata</i>, Netherlands), <i>Neobarrmaelia hyphaenes</i> (on leaves of <i>Hyphaene</i> sp., South Africa), <i>Neobryochiton narthecii</i> (on dead leaves of <i>Narthecium ossifragum</i>, Netherlands), <i>Niesslia pseudoexilis</i> (on dead leaf of <i>Quercus petraea</i>, Serbia), <i>Nothocladosporium syzygii</i> (on leaves of <i>Syzygium chordatum</i>, South Africa), <i>Nothotrimmatostroma corymbiae</i> (on leaves of <i>Corymbia henryi</i>, South Africa), <i>Phaeosphaeria hyphaenes</i> (on leaves of <i>Hyphaene</i> sp., South Africa), <i>Pseudohormonema sordidus</i> (on a from human pacemaker, USA), <i>Quasiphoma hyphaenes</i> (on leaves of <i>Hyphaene</i> sp., South Africa), <i>Rapidomyces narthecii</i> (on dead leaves of <i>Narthecium ossifragum</i>, Netherlands), <i>Reticulascus parahennebertii</i> (on dead culm of <i>Juncus inflexus</i>, Netherlands), <i>Scytalidium philadelphianum</i> (from compressed air in a factory, USA). New combinations: <i>Neobarrmaelia serenoae, Nothopseudocercospora dictamni, Dothiora viticola, Floricola sulcata, Neocamarographium carpini, Paracamarographium koreanum, Rhexocercosporidium bellocense, Russula lilacina</i>. Epitypes: <i>Elsinoe corni</i> (on leaves of <i>Cornus florida</i>, USA), <i>Leptopeltis litigiosa</i> (on dead leaf fronds of <i>Pteridium aquilinum</i>, Netherlands), <i>Nothopseudocercospora dictamni</i> (on living leaves of <i>Dictamnus albus</i>, Russia), <i>Ramularia arvensis</i> (on leaves of <i>Potentilla reptans</i>, Netherlands), <i>Rhexocercosporidium bellocense</i> (on leaves of <i>Verbascum</i> sp., Germany), <i>Rhopographus filicinus</i> (on dead leaf fronds of <i>Pteridium aquilinum</i>, Netherlands), <i>Septoria robiniae</i> (on leaves of <i>Robinia pseudoacacia</i>, Belgium). Lectotypes: <i>Leptopeltis litigiosa</i> (on <i>Pteridium aquilinum</i>, France), <i>Rhopographus filicinus</i> (on dead leaf fronds of <i>Pteridium aquilinum</i>, Netherlands), <i>Septoria robiniae</i> (on leaves of <i>Robinia pseudoacacia</i>, Belgium). Neotype: <i>Camarographium stephensii</i> (on dead leaf fronds of <i>Pteridium aquilinum</i>, Netherlands). </p>