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The numbers of fungi: is the descriptive curve flattening?

Kevin D. HydeCAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Science, Kunming, 650201, Yunnan, People’s Republic of ChinaRajesh JeewonDepartment of Health Sciences, Faculty of Science, University of Mauritius, Reduit, MauritiusYi-Jyun ChenCenter of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100, ThailandChitrabhanu S. BhunjunCenter of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100, ThailandMark S. CalabonCenter of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100, ThailandHong-Bo JiangCAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Science, Kunming, 650201, Yunnan, People’s Republic of ChinaChuan-Gen LinCenter of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100, ThailandChada NorphanphounCenter of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100, ThailandPhongeun SysouphanthongCenter of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100, ThailandDhandevi PemCAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Science, Kunming, 650201, Yunnan, People’s Republic of ChinaSaowaluck TibprommaCAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Science, Kunming, 650201, Yunnan, People’s Republic of ChinaQian ZhangDepartment of Plant Pathology, College of Agriculture, Guizhou University, Guiyang, 550025, Guizhou, People’s Republic of ChinaMingkwan DoilomCAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Science, Kunming, 650201, Yunnan, People’s Republic of ChinaRuvishika S. JayawardenaCenter of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100, ThailandJian‐Kui LiuSchool of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, 611731, People’s Republic of ChinaSajeewa S. N. MaharachchikumburaSchool of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, 611731, People’s Republic of ChinaChayanard PhukhamsakdaCenter of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100, ThailandRungtiwa PhookamsakCAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Science, Kunming, 650201, Yunnan, People’s Republic of ChinaAbdullah M. Al‐SadiDepartment of Crop Sciences, College of Agricultural and Marine Sciences, Sultan Qaboos University, P.O. Box 34, Al khoud, 123, Muscat, OmanNaritsada ThongklangCenter of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100, ThailandYong WangDepartment of Plant Pathology, College of Agriculture, Guizhou University, Guiyang, 550025, Guizhou, People’s Republic of ChinaYusufjon GafforovDepartment of Ecology, Andijan State University, 129 Universitet Street, Andijan, 170100, UzbekistanE.B. Gareth JonesDepartment of Botany and Microbiology, College of Science, King Saud University, P.O Box 2455, Riyadh, 11451, Kingdom of Saudi ArabiaSaisamorn LumyongAcademy of Science, The Royal Society of Thailand, Bangkok, 10300, Thailand

Fungal Diversityjournal2020en

ABI

Annotatsiya

The recent realistic estimate of fungal numbers which used various algorithms was between 2.2 and 3.8 million. There are nearly 100,000 accepted species of Fungi and fungus-like taxa, which is between 2.6 and 4.5% of the estimated species. Several forums such as Botanica Marina series, Fungal Diversity notes, Fungal Biodiversity Profiles, Fungal Systematics and Evolution—New and Interesting Fungi, Mycosphere notes and Fungal Planet have enhanced the introduction of new taxa and nearly 2000 species have been introduced in these publications in the last decade. The need to define a fungal species more accurately has been recognized, but there is much research needed before this can be better clarified. We address the evidence that is needed to estimate the numbers of fungi and address the various advances that have been made towards its understanding. Some genera are barely known, whereas some plant pathogens comprise numerous species complexes and numbers are steadily increasing. In this paper, we examine ten genera as case studies to establish trends in fungal description and introduce new species in each genus. The genera are the ascomycetes Colletotrichum and Pestalotiopsis (with many species or complexes), Atrocalyx, Dothiora, Lignosphaeria, Okeanomyces, Rhamphoriopsis, Thozetella, Thyrostroma (relatively poorly studied genera) and the basidiomycete genus Lepiota. We provide examples where knowledge is incomplete or lacking and suggest areas needing further research. These include (1) the need to establish what is a species, (2) the need to establish how host-specific fungi are, not in highly disturbed urban areas, but in pristine or relatively undisturbed forests, and (3) the need to establish if species in different continents, islands, countries or regions are different, or if the same fungi occur worldwide? Finally, we conclude whether we are anywhere near to flattening the curve in new species description.

Mavzular

Plant Pathogens and Fungal Diseases Mycorrhizal Fungi and Plant Interactions Yeasts and Rust Fungi Studies

Identifikatorlar

DOI: 10.1007/s13225-020-00458-2

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