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18-06-2025 19:24

Bernard Declercq Bernard Declercq

Good evening,On Oenanthe aquatica we collected  a

18-06-2025 16:24

Andgelo Mombert Andgelo Mombert

Bonjour,Un minuscule stade imparfait, qui pousse s

13-06-2025 16:34

Andgelo Mombert Andgelo Mombert

Bonjour,Un petit discomycète qui me résiste. Il

11-06-2025 16:26

Jason Karakehian Jason Karakehian

Hi everyone, I am looking for the following protol

17-06-2025 14:23

Josep Torres Josep Torres

Hello.A probable Hyaloscypha from last June 1st, s

17-06-2025 12:10

Castillo Joseba Castillo Joseba

Del pasado dia 4  en bosque de hayas, en tierraA

12-03-2025 17:54

Karl Soler Kinnerbäck

Hi all!Do you agree with Scutellinia hyperborea? P

17-06-2025 12:02

Castillo Joseba Castillo Joseba

Del pasado sabado, en bosque de hayas y avellanos,

13-06-2025 09:41

Josep Torres Josep Torres

Hello.A cerebriform ascomycete sprouting scattered

13-06-2025 19:57

Castillo Joseba Castillo Joseba

De ayer en bosque de hayas y avellanosEjemplar uni

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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