期刊
PERSOONIA
卷 46, 期 -, 页码 129-162出版社
RIJKSHERBARIUM
DOI: 10.3767/persoonia.2021.46.05
关键词
epitypification; fungal taxonomy; morphology; neotypification; new taxa; validation
类别
资金
- Tree Protection Co-Operative Programme (TPCP)
- Department of Science and Technology (DST)
- National Research Foundation (NRF)
This study identified three new species within the Fusarium fujikuroi species complex, with two clustering in the African clade and one in the American clade. Epitypes were designated for six previously described species, and the validation of two previously invalidly published species was also confirmed.
The Fusarium fujikuroi species complex (FFSC) includes more than 60 phylogenetic species (phylospecies) with both phytopathological and clinical importance. Because of their economical relevance, a stable taxonomy and nomenclature is crucial for species in the FFSC. To attain this goal, we examined type specimens and representative cultures of several species by employing morphology and phylogenetic analyses based on partial gene fragments of the translation elongation factor 1-alpha (tef1), beta-tubulin (tub2), calmodulin (cmdA), RNA polymerase largest subunit (rpb1) and RNA polymerase II second largest subunit (rpb2). Based on these results three new species were delimited in the FFSC. Two of these phylospecies clustered within the African clade, and one in the American clade. Epitypes were also designated for six previously described FFSC species including F. proliferatum and F. verticillioides, and a neotype designated for F. subglutinans. Furthermore, both F. acutatum and F. ophioides, which were previously invalidly published, are validated.
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