Three species of the genus Xylaria (Xylariaceae) are presented based on collections from Guilan Province, Iran. Both morphological and molecular characteristics were used in order to identify these species. Xylaria longissima sp. nov. is described and illustrated as a new Xylaria species and X. cf. striata and X. xylarioides are reported as new records from Iranian mycobiota. Xylaria longissima...

Xylariaceous fungi are typically saprobes, but are also commonly isolated as endophytes and some species are pathogens. Two species of Lopadostoma (Xylariaceae, Xylariales) are reported for the first time from Iran. L. dryophilum was found from dead branches of Quercus sp. in East Azerbaiejan and L. fagi from dead branches of Fagus sp. in Ardabil province. Based on morphology and sequence data ...

Four species of Rosellinia collected in Las Yungas ecoregion are reported for the first time Argentine funga: R. hyalospora, longispora, rickii and stenasca. These described illustrated by photographs. In addition, a distribution map with new findings dichotomous key to recognized country presented. .

A large portion of natural products research revolves around the discovery of new, bioactive chemical entities; however, studies to probe the biological purpose of such secondary metabolites for the host organism are often limited. Mass spectrometry mapping of secondary metabolite biosynthesis in situ can be used to probe a series of ecological questions about fungi that may be lost through tra...