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CIFOR-ICRAF s’attaque aux défis et aux opportunités locales tout en apportant des solutions aux problèmes mondiaux concernant les forêts, les paysages, les populations et la planète.

Nous fournissons des preuves et des solutions concrètes pour transformer l’utilisation des terres et la production alimentaire : conserver et restaurer les écosystèmes, répondre aux crises mondiales du climat, de la malnutrition, de la biodiversité et de la désertification. En bref, nous améliorons la vie des populations.

CIFOR–ICRAF publishes over 750 publications every year on agroforestry, forests and climate change, landscape restoration, rights, forest policy and much more – in multiple languages.

CIFOR–ICRAF addresses local challenges and opportunities while providing solutions to global problems for forests, landscapes, people and the planet.

We deliver actionable evidence and solutions to transform how land is used and how food is produced: conserving and restoring ecosystems, responding to the global climate, malnutrition, biodiversity and desertification crises. In short, improving people’s lives.

Roussoellaceae, a new pleosporalean family to accommodate the genera Neoroussoellagen. nov., Roussoella and Roussoellopsis

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Roussoella and Roussoellopsis species are mostly known from monocotyledons (large grasses, bamboo and palms). Detailed phylogenies for this group are lacking and thus their family placement and relationships with other genera are unclear. Fresh collections of several Roussoella-like species, including the type species Roussoella nitidula were made from bamboo and palms in Thailand. In order to obtain a phylogenetic understanding of Roussoella-like species within the order Pleosporales, we carried out the phylogenetic analyses of ITS, LSU, TEF1 and RPB2 loci. The 15 target strains formed a well-supported clade (100% BS/1.00 PP) in phylogenetic reconstructions of individual and combined datasets, supporting the introduction of a new family Roussoellaceae. The Roussoellaceae clade can be distinguished into three well-supported sections, namely Roussoella/Roussoellopsis (93% BS/1.00 PP), Roussoella (88% BS/1.00 PP) and Neoroussoella. Based on both morphology and phylogenetic analyses, we introduce Neoroussoella gen. nov., epitypify Roussoella nitidula which is the type species of the genus, and introduce the new species Neoroussoella bambusae, Roussoella chiangraina, R. japanensis, R. neopustulans, R. siamensis, R. thailandica and R. verrucispora

DOI:
https://doi.org/10.11646/phytotaxa.181.1.1
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