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13-01-2026 07:57

Danny Newman Danny Newman

cf. Bombardia on indet. decorticate woodAppalachia

11-01-2026 20:35

Josep Torres Josep Torres

Hello.A very tiny pyrenomycete sprouting sparsely

13-01-2026 10:13

Danny Newman Danny Newman

Cordieritidaceae sp. on indet. wood w/ Hypoxylon s

13-01-2026 07:28

Danny Newman Danny Newman

Chlorociboria glauca on indet. decorticate logThe

13-01-2026 07:14

Danny Newman Danny Newman

Neodasyscypha cerina on indet decorticate logThe S

13-01-2026 09:10

Danny Newman Danny Newman

Dasyscyphella chrysotexta on indet. decorticate ha

13-01-2026 08:43

Danny Newman Danny Newman

Tricladium varicosporioides on indet. decorticate

13-01-2026 08:49

Danny Newman Danny Newman

Coccomyces sp. on fallen Rhododendron leavesPretty

12-01-2026 22:02

Ethan Crenson

Hello all, I am hoping someone will have some ins

13-01-2026 07:51

Danny Newman Danny Newman

Atrocalyx sp. on indet. herbaceous stemAppalachian

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Cryptodiscus species ?
Aafke Buijs, 24-09-2015 12:47
Hi,

On deteriorated wood of broadleaves (Craetagus, Populus, Sambucus) found these small orange apothecia, that at first sight looked like a nectria.
Under the lens it seemed a Stictis but then under the microscope it showed large, seven septated spores, pointed at the ends, the middle fragments somewhat thickened.
Spores measured about 65 mu and the asci about 132 mu.
Apothecia partially sunken in the substrate, whitish bulb surrounded by an orange layer.

I would appreciate your help.

Greetings, Aafke

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Martin Bemmann, 24-09-2015 13:14
Martin Bemmann
Re : Cryptodiscus species ?
Hi Aafke,

this could be Pseudotrichia viburnicola. Can you give a closer look on the fruitbodies?
I would expect some more granular content in the spores.

Regards
Martin
Aafke Buijs, 24-09-2015 13:33
Re : Cryptodiscus species ?
Hi Martin,

More pictures coming up soon.
For the moment, thank you for your suggestion. Pseudotrichia viburnicola looks like a good candidate !
Do you know were I could find a description of this species ?
Martin Bemmann, 24-09-2015 13:49
Martin Bemmann
Re : Cryptodiscus species ?
Dear Aafke,

if you search the forum you will find some collections and a file by me:
http://www.ascofrance.fr/uploads/document/80-0001.pdf

regards
Martin
Aafke Buijs, 24-09-2015 13:57
Re : Cryptodiscus species ?
Ah, thanks.
Aafke Buijs, 25-09-2015 16:06
Re : Cryptodiscus species ?
...... and the rest of the series of pictures, as promised.
Pseudotrichia viburnicola fits well.

Greetings, Aafke
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Martin Bemmann, 25-09-2015 16:37
Martin Bemmann
Re : Cryptodiscus species ?
Thanks Aafke! Now the spore content looks more familiar to me.
Is the first of the new pictures just in water, or did you add KOH?
What kind of iodine did you use, Melzer's or Lugol?

Regards
Martin
Aafke Buijs, 25-09-2015 18:06
Re : Cryptodiscus species ?
I used KOH for the first picture and Melzer's as iodine.

Regards, Aafke
Martin Bemmann, 25-09-2015 18:24
Martin Bemmann
Re : Cryptodiscus species ?
Again thanks,

I suspected the use of KOH since I can't remember of such purple pigments in previous collections, interesting!
Regards
Martin