A major evolutionary branching divided fungi into two dominant lineages. One would give rise to yeasts, truffles, and many molds (Ascomycota). The other would produce mushrooms, puffballs, and bracket fungi (Basidiomycota). This split shaped nearly all modern fungal diversity.
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Fungal Great Split: Ascomycota & Basidiomycota
By Michael Alan Prestwood
Sun 22 Feb 2026
Published 2 days ago.
Updated 2 days ago.
Fungal Evolution
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Fungal Great Split: Ascomycota & Basidiomycota
~425 Million years ago (+/- 25 million)
Ascomycota and Basidiomycota Split
— map / TST —
Prestwood writes on science-first philosophy, with particular attention to the convergence of disciplines. Drawing on his TST Framework, his work emphasizes rational inquiry grounded in empirical observation while engaging questions at the edges of established knowledge. With TouchstoneTruth positioned as a living touchstone, this work aims to contribute reliable, evolving analysis in an emerging AI era where the credibility of information is increasingly contested.
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