Mitrula aurea sp. nov., A New Aero-Aquatic Species from the Republic of Korea |
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| Authors: | Sung-Eun Cho Hyung So Kim Young-Nam Kwag Dong-Hyeon Lee Jae-Gu Han Chang Sun Kim |
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| Affiliation: | aForest Biodiversity Division, Korea National Arboretum, Pocheon, South Korea;bDivison of Forest Insect Pests and Diseases, National Institute of Forest Science, Seoul, South Korea;cMushroom Research Division, National Institute of Horticultural and Herbal Science, Rural Development Administration, Eumseong, South Korea |
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| Abstract: | The genus Mitrula (Mitrulaceae, Helotiales), as also known as swamp beacons, inhabits submerged, decaying vegetation in standing or decaying needles, twigs, leaves, and shallow water. They play an important role in carbon cycling in some freshwater ecosystems. In the herbarium of the Korea National Arboretum (KH), seven Mitrula specimens were collected during mushroom forays in the period from 2019 to 2021. The Korean collections were found to be macromorphologically closely related to M. paludosa and M. elegans, but micromorphologically they could be distinguished by characteristics of slightly narrower asci and aseptate ascospores. Our molecular phylogenetic analyses of the internal transcribed spacer (ITS) and 28S rDNA regions also revealed that our specimens were related to M. paludosa and M. elegans, but formed a distinct clade. Based on these results, we reported our specimens as new to science and discussed the phylogeny and diversity of Mitrula species. |
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| Keywords: | Aero-aquatic Helotiales Mitrula new species phylogeny |
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