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19-01-2022 20:31

William de Jong

Hi,I found Hydropisphaera erubescens, I think, on

22-01-2022 13:31

Niek Schrier

hi everyone, I found this nectria like fungi grow

24-02-2021 11:51

William de Jong

Hi,A few days ago I found Helminthosporium velutin

24-01-2022 17:37

hannie wijers

Hello again, I'dd like some help if possible. At

23-01-2022 23:53

BERNARD CLESSE BERNARD CLESSE

Bonsoir à toutes et tous,J'ai trouvé récemment

24-01-2022 00:52

Marcel Heyligen Marcel Heyligen

This has already been found twice in 2016 on Vacci

23-01-2022 18:44

Josep Torres Josep Torres

Hola.Unos muy diminutos apotecios de color negro d

23-01-2022 00:46

Valencia Lopez Francisco Javier

Hola a todosApotecios recolectados en las vainas c

22-12-2021 17:07

Andgelo Mombert Andgelo Mombert

Bonsoir, Sur branche morte cortiquée de Quercus

22-01-2022 22:35

Joop van der Lee Joop van der Lee

Found on rabbit pellets.When investigating a Schiz

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A non-lichenised fungus?
Jennifer Fiorentino, 28-07-2021 15:26
Would be very happy to receive your opinion on this. I examined the fruiting bodies of this fungus thinking it was a lichen as there seems to be a greyish white thallus present. It was growing on the bark of an old, coastal carob tree in the Mediterranean. The black fruiting bodies were between 0.1 - 0.3mm diameter. A TS revealed a hymenium of about 110um height and a dark hypothecium. The 3- septate spores were dark reddish-brown, 23-32 x 9 -16um. Too long and wide to fit any Diplotomma/Buellia Mediterranean lichen species I know of. Would this be a non-lichenised fungus? Many thanks in advance.
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Hermann Voglmayr, 30-07-2021 11:23
Hermann Voglmayr
Re : A non-lichenised fungus?
Dear Jennifer,
compare with Stigmatodiscus - see the following freely available publications:
https://doi.org/10.1007/s13225-016-0356-y
https://doi.org/10.1007/s11557-018-1435-0
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5788271/

I do not see any gel sheath surrounding the ascospores in your pics which are diagnostic for Stigmatodiscus - but this may be due to the fact that the ascospores illustrated are very old and dead, and probably also due to the slide preparation/mounting medium.

Concerning spore measurements and shape, this could be Stigmatodiscus oculatus, but one would need more clear pics of the ascomata, a thinner section of the ascomata and more detailed pictures of living ascospores to evaluate the gel sheath and septation.

Best,
Hermann

Jennifer Fiorentino, 05-12-2021 16:02
Re : A non-lichenised fungus?
A belated thanks for your comment. Will check my specimen in line with your suggestion. So sorry to have missed it way back in July. My apologies.