?Ostropalean fungus on wood - Forum ASCOFrance

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?Ostropalean fungus on wood

Juuso Äikäs, 03-03-2025 08:10

I recently found these quite small fruitbodies growing on a fallen, decorticated trunk of a deciduous tree.

Asci 8-spored, IKI-, no croziers. Hymenium turning a purplish color in IKI. Paraphyses filiform, branched.

Spores 4-celled, measuring 16.3 - 18.8 × 3.7 - 4.0 µm, Q = 4.4 - 4.7; avg = 17.3 - 3.8 µm, Qav = 4.5; n = 3.

I presume this belongs to Ostropales, and is probably lichenized -- the green stuff is the thallus?