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25-03-2024 21:27

Riet van Oosten Riet van Oosten

Hello, Found by Laurens van der Linde, March 2024

25-03-2024 03:56

B Shelbourne B Shelbourne

• Scuttelinia: Macro and habitat.• S. scutella

25-03-2024 20:21

David MARCOS David MARCOS

Bonjour, je m'appelle David et je débute dans l'i

22-03-2024 09:56

Bernard CLESSE Bernard CLESSE

Sur terre nue d'un potager, parmi les tubercules d

25-03-2024 12:08

Castillo Joseba Castillo Joseba

Recolectada en Galicia  (España)   en madera d

22-03-2024 15:00

Yannick Mourgues Yannick Mourgues

Bonsoir. Je cherche la description d'Exophiala ab

24-03-2024 12:39

Hardware Tony Hardware Tony

Minute cluster of very small 0.1mm ascomata on Urt

23-03-2024 21:33

Karl Soler Kinnerbäck

Found this disco on Quercus robur wood in Örebro,

24-03-2024 15:51

Riet van Oosten Riet van Oosten

Hello, Found by Laurens van der Linde, March 2024

20-03-2024 14:26

Josep Torres Josep Torres

Hello.Some small pycnidia sprouting abundantly on

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Anthostomella tomicoides? => yes
Riet van Oosten, 25-03-2024 21:27
Riet van Oosten
Hello,

Found by Laurens van der Linde, March 2024 on solidago.

Is this Anthostomella tomicoides?

I used the key (1-2-17-22-23) in "Francis S.M. (1975). Anthostomella Sacc. (part I). Mycol. Pap. 139: 1-79"

- spores two celled

- spores 14-19 x 5-8 µm, strongly inequilateral

Greetings, Riet
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Jacques Fournier, 26-03-2024 09:29
Jacques Fournier
Re : Anthostomella tomicoides? on solidago
Hi Riet,
yes, very likely A. tomicoides. If so, you should find a short germ slit on the dorsal side, often best seen in KOH or Melzer's reagent.
Cheers,
Jacques.
Riet van Oosten, 26-03-2024 13:08
Riet van Oosten
Re : Anthostomella tomicoides? on solidago
Hi Jacques,
Thank you very much for your help!
I will try to find the germ slit.
Riet van Oosten, 26-03-2024 19:17
Riet van Oosten
Re : Anthostomella tomicoides? on solidago
Very difficult to get the spores into the right position. Made several attempts in KOH 3% and in Melzer's but without success.
Only one spore with something that could be the germ slit
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Jacques Fournier, 26-03-2024 20:37
Jacques Fournier
Re : Anthostomella tomicoides? on solidago
yes, typical.
Hunting germ slits may proove challenging, especially when spores preferably lay in side view because they are laterally flattened. Otherwise, it would be too easy!
Cheers,
Jacques
Riet van Oosten, 26-03-2024 21:12
Riet van Oosten
Re : Anthostomella tomicoides? on solidago
I'm so glad I found one :-)
Thank you once again Jacques!
Cheers, Riet