New neotropical species of Phyllachorales based on molecular, morphological, and ecological data

<p>Species of tropical tar spot fungi (Phyllachorales, Ascomycota) are obligate biotrophic plant parasitic fungi associated with living leaves of a wide range of families of host plants, mainly in tropical and subtropical regions. In this study, samples of tropical tar spot fungi were collected in forests in Costa Rica and Panamá. To identify taxa, we used morphology and information on host plants and combined multigene phylogeny of four genes: the large subunit nuclear ribosomal DNA (28S rDNA), the small subunit nuclear ribosomal DNA (18S rDNA), the complete internal transcribed spacer region of ribosomal DNA (nuc rDNA ITS1-5.8S-ITS2; ITS), and the translation elongation factor 1-α (<i>tef1</i>). Here we propose one new species in the genus <i>Camarotella</i> and eight new species in <i>Telimena</i> with their morphological descriptions, illustrations, and sequence data. The newly described species are <i>Camarotella licaniae</i> on <i>Licania arborea</i> (Chrysobalanaceae) and in the genus <i>Telimena: T. billiae</i> on <i>Billia rosea</i> (Sapindaceae), <i>T. drymoniae</i> on <i>Drymonia multiflora</i> (Gesneriaceae), <i>T. hydrangeae</i> on <i>Hydrangea</i> sp. (Hydrangeaceae), <i>T. miravallensis</i> on <i>Symplocos panamensis</i> (Symplocaceae), <i>T. protii</i> on <i>Protium</i> sp. (Burseraceae), <i>T. rinoreae</i> on <i>Rinorea</i> sp. (Violaceae), <i>T. semialarii</i> on <i>Semialarium mexicanum</i> (Celastraceae), and <i>T. triseptata</i> on <i>Tapirira mexicana</i> (Anacardiaceae). The new name <i>Telimena nitens</i> on <i>Schlegelia brachyanta</i> (Schlegeliaceae) is presented and 10 species of <i>Phyllachora</i> are transferred to <i>Telimena</i>, leading to the new combinations <i>T. canarii, T. galavisii, T. insueta, T. ruelliae, T. scutiformis, T. serjaniicola, T. spicatae, T. subrepens, T. symploci</i>, and <i>T. symplocicola</i>. Additionally, revisions of tar spot fungi on host families Burseraceae, Sapindaceae, and Symplocaceae are provided, and four new synonyms are proposed.</p>