Journal
MYCOSPHERE
Volume 7, Issue 7, Pages 933-941Publisher
MYCOSPHERE PRESS
DOI: 10.5943/mycosphere/si/1b/2
Keywords
Botryosphaeriaceae; Dothideomycetes; morphology; phylogeny; taxonomy
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Funding
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing
- Mushroom Research Foundation, Chiang Mai, Thailand
- European Funds through COMPETE
- National Funds through the Portuguese Foundation for Science and Technology (FCT) [UID/AMB/50017/2013 - POCI-01-0145-FEDER-007638, IF/00835/2013]
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A new species of Phaeobotryon was collected from Acer negundo, Forsythia x intermedia and Ligustrum vulgare from European Russia. Morphological and phylogenetic analyses of combined ITS, beta-tubulin and EF1-alpha sequence data revealed that these collections differ from all other species in the genus. Therefore it is introduced here as Phaeobotryon negundinis sp. nov. It is characterized by immersed-erumpent, uniloculate conidiomata, bearing brown, ovoid, aseptate conidia, with broadly rounded apices and truncate bases. Conidia form a single septum at germination. Phaeobotryon negundinis is morphologically similar to P. cupressi, but has smaller conidia. This is the first time a Phaeobotryon species is reported on Acer negundo, Ligustrum vulgare and Forsythia x intermedia.
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