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A phylogenetic re-evaluation of Phyllosticta (Botryosphaeriales)

Saowanee WikeeSchool of Science, Mae Fah Luang University, Chiangrai 57100, Thailand ; Institute of Excellence in Fungal Research, Mae Fah Luang University, Chiangrai 57100, ThailandL. LombardInstitute of Excellence in Fungal Research, Mae Fah Luang University, Chiangrai 57100, ThailandChiharu NakashimaGraduate School of Bioresources, Mie University, Kurima-Machiya 1577, Tsu, Mie 514-8507, JapanKen MotohashiElectron Microscope Center, Tokyo University of Agriculture, Sakuragaoka 1-1-1, Setagaya, Tokyo 156-8502, JapanEkachai ChukeatiroteSchool of Science, Mae Fah Luang University, Chiangrai 57100, ThailandRatchadawan CheewangkoonDepartment of Plant Pathology, Faculty of Agriculture, Chiang Mai University, Chiang Mai 50200, ThailandEric H. C. McKenzieLandcare Research, Private Bag 92170, Auckland Mail Centre, Auckland 1142, New ZealandKevin D. HydeSchool of Science, Mae Fah Luang University, Chiangrai 57100, ThailandP.W. CrousWageningen University and Research Centre (WUR), Laboratory of Phytopathology, Droevendaalsesteeg 1, 6708 PB Wageningen, The Netherlands

2013en

ABI

Annotatsiya

Phyllosticta is a geographically widespread genus of plant pathogenic fungi with a diverse host range. This study redefines Phyllosticta, and shows that it clusters sister to the Botryosphaeriaceae (Botryosphaeriales, Dothideomycetes), for which the older family name Phyllostictaceae is resurrected. In moving to a unit nomenclature for fungi, the generic name Phyllosticta was chosen over Guignardia in previous studies, an approach that we support here. We use a multigene DNA dataset of the ITS, LSU, ACT, TEF and GPDH gene regions to investigate 129 isolates of Phyllosticta, representing about 170 species names, many of which are shown to be synonyms of the ubiquitous endophyte P. capitalensis. Based on the data generated here, 12 new species are introduced, while epitype and neotype specimens are designated for a further seven species. One species of interest is P. citrimaxima associated with tan spot of Citrus maxima fruit in Thailand, which adds a fifth species to the citrus black spot complex. Previous morphological studies lumped many taxa under single names that represent complexes. In spite of this Phyllosticta is a species-rich genus, and many of these taxa need to be recollected in order to resolve their phylogeny and taxonomy. TAXONOMIC NOVELTIES: New species - Phyllosticta abieticola Wikee & Crous, P. aloeicola Wikee & Crous, P. citrimaxima Wikee, Crous, K.D. Hyde & McKenzie, P. leucothoicola Wikee, Motohashi & Crous, P. mangifera-indica Wikee, Crous, K.D. Hyde & McKenzie, P. neopyrolae Wikee, Motohashi, Crous, K.D. Hyde & McKenzie, P. pachysandricola Wikee, Motohashi & Crous, P. paxistimae Wikee & Crous, P. podocarpicola Wikee, Crous, K.D. Hyde & McKenzie, P. rhaphiolepidis Wikee, C. Nakash. & Crous, P. rubra Wikee & Crous, P. vacciniicola Wikee, Crous, K.D. Hyde & McKenzie; New combinations - P. foliorum (Sacc.) Wikee & Crous, P. philoprina (Berk. & M.A. Curtis) Wikee & Crous; Epitypifications (basionyms) - P. concentrica Sacc., P. cussoniae Cejp, P. owaniana G. Winter; Neotypifications (basionyms) - Phyllosticta cordylinophila P.A. Young, Physalospora gregaria var. foliorum Sacc., Sphaeropsis hypoglossi Mont., Sphaeropsis minima Berk. & M.A. Curtis.

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DOI: 10.3114/sim0019

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