The #mushroom #Marasmius #oreades grows worldwide and appears mostly in #meadows. It is known for forming so-called #fairyrings, growth patterns of a perfect #circle, frequently attributed to #magicalbeings in the #MiddleAges. B. Olsson et al. (2026) demonstrated via #metagenomics that the mycelium grows around #inhibitoryfactors located at the trailing edge of its #growthfront.
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Reference
https://doi.org/10.1098/rsos.260575