Cup fungus - Request for help

25-06-2025 16:25

Thomas Flammer

My first impression was sth like Rutstromeia, but

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Cup fungus - Request for help

Thomas Flammer, 25-06-2025 16:25

My first impression was sth like Rutstromeia, but they have larger spores and are IKI+

Spores (size): 6.8 - 9.4 x 2.6 - 4.4 µm - Q: 1.55 - 3.34 (Ø LxB: 8.2 x 3.3 ØQ:2.6 N: 8)
Spores irregularly ellipsoid
Ascus: IKI-, biserriat
Growth on wooden detrius and wood

size max. 10mm

Hans-Otto Baral, 25-06-2025 20:01

Re : Cup fungus - Request for help

This would require living paraphyses. Were they multiguttulate (refractive VBs)? It could be Hymenoscyphus pani, which has inamyloid asci and inconspicuous contents of the paraphyses.

H. pani and H. peruni are related to H. repandus (in my menthae clade).

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