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Basidiomycota are filamentous fungi composed of hyphae (except for basidiomycota-yeast) and reproduce sexually via the formation of specialized club-shaped end cells called basidia that normally bear external meiospores (usually four). These specialized spores are called basidiospores. [4] However, some Basidiomycota are obligate asexual ...
This is a list of families in the phylum Basidiomycota of kingdom Fungi.The Basidiomycota are the second largest phyla of the fungi, containing 31515 species. [1] The phylum is divided into three subphyla, the Pucciniomycotina (rust fungi), the Ustilaginomycotina (smut fungi), the Agaricomycotina, and two classes of uncertain taxonomic status (incertae sedis), the Wallemiomycetes and the ...
Many basidiospores have an asymmetric shape due to their development on the basidium. [3] Basidiospores are typically single-celled (without septa), and typically range from spherical to oval to oblong, to ellipsoid or cylindrical. The surface of the spore can be fairly smooth, or it can be ornamented. [1]
Diagram showing a basidiomycete mushroom, gill structure, and spore-bearing basidia on the gill margins. A basidium (pl.: basidia) is a microscopic spore-producing structure found on the hymenophore of reproductive bodies of basidiomycete fungi.
The following families are in the Agaricales, according to Kalichman, Kirk & Matheny (2020), [3] with more recent additions and amendments, as noted. The number of genera and species in each family is taken from Catalogue of Life (2023), [ 1 ] unless otherwise noted, and is subject to change as new research is published.
Agaricomycotina is one of three subdivisions of the Basidiomycota (fungi bearing spores on basidia), and represents all of the fungi which form macroscopic fruiting bodies.. Agaricomycotina contains over 30,000 species, [1] divided into three classes: Tremellomycetes, Dacrymycetes, and Agaricomycetes.
It includes not only mushroom-forming fungi, but also most species placed in the deprecated taxa Gasteromycetes and Homobasidiomycetes. [3] Within the subdivision Agaricomycotina , which already excludes the smut and rust fungi, the Agaricomycetes can be further defined by the exclusion of the classes Tremellomycetes and Dacrymycetes , which ...
The phylum Basidiomycota can be divided into three major lineages: mushrooms, rusts and smuts. Fusion of haploid nuclei ( karyogamy ) occurs in the basidia, club-shaped end cells. Shortly after formation of the diploid cell, meiosis occurs and the resulting four haploid nuclei migrate into four, usually external cells called basidiospores .