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Hymenoscyphus vacini
Zuzana Sochorová (Egertová),
07-09-2025 11:34
Hello,I have identified this fungus as Hymenoscyphus vacini, but would like to have it confirmed.
Ascospores (19.3)19.6-20.5-21.4 (23.5) × (5)5.3-5.5-5.7 (6) µm, Q = (3.39) 3.50-3.73-3.91 (4.39); n=30.
Asci bb, H-, 95-110 x 10-11.8 µm.
Hyphae on receptacle have dark incrustations.
On strongly decayed leaves of Acer, Moravia, 6 September 2025.
Thank you, Zuzana
Zuzana Sochorová (Egertová),
07-09-2025 11:37
Re : Hymenoscyphus vacini
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Zuzana Sochorová (Egertová),
07-09-2025 11:39
Re : Hymenoscyphus vacini
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Lothar Krieglsteiner,
07-09-2025 11:40
Re : Hymenoscyphus vacini
Hello Zuzana,
I would determine this the same way, I sometimes find this on leaves of Acer pseudoplatanus. Was ist A. pseudoplatanus, too?
Surely Zotto will also write - I hope he will agree :-)
Yours, Lothar
I would determine this the same way, I sometimes find this on leaves of Acer pseudoplatanus. Was ist A. pseudoplatanus, too?
Surely Zotto will also write - I hope he will agree :-)
Yours, Lothar
Hans-Otto Baral,
07-09-2025 12:08
Re : Hymenoscyphus vacini
Fully agreed. Very characteristic is the net of brown cortical hyphae on the excipulum. Also the growth on sceletonized leaves.
Zuzana Sochorová (Egertová),
07-09-2025 12:42
Re : Hymenoscyphus vacini
Hi Lothar and Zotto,
many thanks to both of you!
Yes, the substrate was Acer pseudoplatanus and the fungus grew in incredible amounts in the locality - there were thousands and thousands of apothecia.
Best regards,
Zuzana
many thanks to both of you!
Yes, the substrate was Acer pseudoplatanus and the fungus grew in incredible amounts in the locality - there were thousands and thousands of apothecia.
Best regards,
Zuzana
Hans-Otto Baral,
07-09-2025 16:29
Re : Hymenoscyphus vacini
There is only one unpublished sequence (ITS), from HB 9590, which has no match in GenBank, even for an environmental sequence of that species.