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Cenangiopsis (?) on Sambucus nigra.
Mirek Gryc,
21-04-2021 19:51
I found a collection of months ago (March 23). They only emerged from under the melting snow. Ascomata was old and destroyed so I could not even specify the shape of spores.
I kept them alive until today. Only one young Ascomata and a few anamorf have grown, so I could do some photos.
Some photos also made of old material.
I'm not even sure if this is Ceniengiopsis?
Any hints are welcome.
Greetings
Hans-Otto Baral,
22-04-2021 18:09
Re : Cenangiopsis (?) on Sambucus nigra.
The asci with clavate spores and ascoconidia are clearly a Helicogonium! The apothecia remind me of a Godronia. Were there no old asci with amyloid ring? Helicogonium is always inamyloid.
The sllipsoid spores I cannot interpret. The anamorph could be an Ascocoryne?
There is one collection of a Helicogonium in Godronia. See my 7e Phacidiales folder.
Mirek Gryc,
23-04-2021 20:24
Re : Cenangiopsis (?) on Sambucus nigra.
Hi Zotto
You probably are right, but I am wondering a small amount of Ascospores (?) In ASCI. In my ASCI it was usually four Ascospores.
I did not notice the reaction to the iodine, both in old and in young Ascomata. Also after pre-treatment in Koh.
I think that from this material I have now, nothing will be determined. If I do not forget, I will visit them in autumn. The place is very well known and often visited.
I keep the substrate still alive but if it's so badly covered by Helicogonium, I will not be able to get anything better.
Ellipsoidal spores come from anamorph, shown in the fourth picture (series posted above)
I place a few more photos.
The first five made immediately after harvest.
Four next, with Ascomata who has grown at my home.
Thank you for your comment.
greetings
Mirek
You probably are right, but I am wondering a small amount of Ascospores (?) In ASCI. In my ASCI it was usually four Ascospores.
I did not notice the reaction to the iodine, both in old and in young Ascomata. Also after pre-treatment in Koh.
I think that from this material I have now, nothing will be determined. If I do not forget, I will visit them in autumn. The place is very well known and often visited.
I keep the substrate still alive but if it's so badly covered by Helicogonium, I will not be able to get anything better.
Ellipsoidal spores come from anamorph, shown in the fourth picture (series posted above)
I place a few more photos.
The first five made immediately after harvest.
Four next, with Ascomata who has grown at my home.
Thank you for your comment.
greetings
Mirek
Hans-Otto Baral,
23-04-2021 21:17
Re : Cenangiopsis (?) on Sambucus nigra.
Woww! I overlooked the 4-spored asci, and now I also see that they are very long! I never saw such a Helicogonium, it is obviously a new species.
And the host would fit a genus such as Godronia with long asci too.
So this specimen should not be thrown away.
One day someone will succed with a sequence of a Helicogonium in order to show how it is related.