The Basidiomycota constitutes a major phylum of the kingdom Fungi and is second in species numbers to the Ascomycota. The present work provides an overview of all validly published, currently used basidiomycete genera to date in a single document. An outline of all genera of Basidiomycota is provided, which includes 1928 currently used genera names, with 1263 synonyms, which are distributed in 241 families, 68 orders, 18 classes and four subphyla. We provide brief notes for each accepted genus including information on classification, number of accepted species, type species, life mode, habitat, distribution, and sequence information. Furthermore, three phylogenetic analyses with combined LSU, SSU, 5.8s, rpb1, rpb2, and ef1 datasets for the subphyla Agaricomycotina, Pucciniomycotina and Ustilaginomycotina are conducted, respectively. Divergence time estimates are provided to the family level with 632 species from 62 orders, 168 families and 605 genera. Our study indicates that the divergence times of the subphyla in Basidiomycota are 406–430 Mya, classes are 211–383 Mya, and orders are 99–323 Mya, which are largely consistent with previous studies. In this study, all phylogenetically supported families were dated, with the families of Agaricomycotina diverging from 27–178 Mya, Pucciniomycotina from 85–222 Mya, and Ustilaginomycotina from 79–177 Mya. Divergence times as additional criterion in ranking provide additional evidence to resolve taxonomic problems in the Basidiomycota taxonomic system, and also provide a better understanding of their phylogeny and evolution.

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Notes, outline and divergence times of Basidiomycota

Characterization of the mitochondrial genomes of three species in the ectomycorrhizal genus Cantharellus and phylogeny of Agaricomycetes.

Purification, characterization and anti-tumor activities of polysaccharides extracted from wild Russula griseocarnosa.

In order to achieve the target of deeper insight into the differentiation and comparison of Wolfiporia cocos, a total of 350 samples including distinct growth patterns, various collection regions and different medicinal parts were investigated using multi-spectral information fusion based on ultraviolet (UV) and Fourier transform infrared (FT-IR) spectroscopies coupled with chemometrics. From the results, the discrimination of samples was obtained successfully and good classification performances were shown according to partial least squares discriminant analysis (PLS-DA) models. Comparatively, the distinctness of chemical information in the two medicinal parts of W. cocos were much more than that in the same part with different growth patterns and collection areas. Meanwhile, an interesting finding suggested that growth patterns rather than geographical origins could be the dominant factor to effect the chemical properties of the same part samples, especially for the epidermis. Compared with the epidermis samples, there were better quality consistency for the inner part of W. cocos. Totally, this study demonstrated that the developed method proved to be reliable to perform comparative analysis of W. cocos. Moreover, it could provide more comprehensive chemical evidence for the critical supplement of quality assessment on the raw materials of W. cocos.

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Differentiation and comparison of Wolfiporia cocos raw materials based on multi-spectral information fusion and chemometric methods

In seasons of food shortage, local communities across Africa use wild edible plants and mushrooms (WEPM) that contribute significantly to food security by supplementing households’ diets and providing alternative income. In the Bamenda Highlands of Cameroon, their biodiversity is believed to be rapidly declining as a result of land use change. Despite their potential beneficial values, there has been only limited research on this topic in this area. This study aims to document traditional knowledge related to the use of plants and mushrooms for food purpose by indigenous people of the Bamenda highland. Ethnobotanical surveys were conducted in 6 localities (Mbengwi, Bafut, Nkwen, Mankon, Bambili, and Widikum) of the Bamenda Highlands of Cameroon, and 121 individuals were interviewed on commonly gathered and eaten WEPMs and their perception on their availability. Respondents were permanent residents selected based on their willingness to participate in the study. Specimens of recorded plants were collected and processed for future identification at the National Herbarium of Cameroon. Their nutritional potentials are discussed based on available literature. A total of 47 species were recorded including leafy vegetable, spices, fruits, roots/tubers, and mushrooms. The top 5 most frequent are Amaranthus sp. (6.6%), Termitomyces clypeatus (6.4%), Irvingia gabonensis (5.2%), Ricinodendron heudelotii (5.1%), and Aframomum sp. (4.5%). Leafy vegetable and spices are the most diversified group with 13 species each. All recorded species are important from nutritional and pharmaceutical points. However, many of their values remain uninvestigated, while their natural populations are facing threats of degradation. WEPMs have great potential to contribute to food and nutritional security in the study area. Sound nutrients and metabolites profiling of poorly known species can enhance their contribution in addressing food insecurity.

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Wild edible plants and mushrooms of the Bamenda Highlands in Cameroon: ethnobotanical assessment and potentials for enhancing food security

This article presents discussions of mushrooms as a source of food, income, as well as medicine among the Bamoun people of the highlands of West Cameroon, where the vegetation is mainly savannah mixed with forest galleries. Like most tribes in tropical Africa, the Bamoun people use a wide range of natural products as mushrooms. This study attempts to identify the various mushrooms exploited by the Bamoun. Ethnomycological surveys and field trips were conducted over 4 years in several villages in the Noun Division. Samples of wild mushrooms were collected from both the savannah and the forest galleries. These were described, preserved, and identified. The study shows that the Bamoun people use at least 40 species of mushrooms for either food or medicine. These species belong to 8 genera: Auricularia, Cantharellus, Ganoderma, Pleurotus, Lactarius, Lactifluus, Russula, and Termitomyces. Species of genera Lactarius, Lactifluus, Russula, and Termitomyces are most often used for food, whereas Ganoderma spp. and Pleurotus tuber-regium are mainly exploited for medicinal purposes. This survey provides an overview of the diversity of mushrooms and their importance to the local people of this area. Since some of the species mentioned by the local population were not fruiting at the time of our field trips, additional investigations are needed to further clarify the diversity and the usage of mushrooms in this region.

Abdoulayi Mbouombouo Mbenmoun

Papers

Diversity of Edible and Medicinal Mushrooms Used in the Noun Division of the West Region of Cameroon.