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30-05-2020 13:52

Andrés Valverde Valera Andrés Valverde Valera

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Yulia Lytvynenko

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Maria Plekkenpol

Hello, on cowdung I saw these whitish asco's. Foll

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Juuso Äikäs

I pulled off some thick bark from a Pinus sylvestr

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Hello everybody,I need help with a determination o

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Maren Kamke Maren Kamke

Good evening,A pyrenomycetes-species on rosa sp.,

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Hardware Tony Hardware Tony

Found this hairless orange operculate fungi larges

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Bonjour ! Voici un Roseodiscus subcaneus probable

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Pezizellaceae on ferns
Enrique Rubio, 27-03-2020 18:47
Enrique RubioHi to evreyone
Although it was not in perfect condition for study, I would like to know your opinion about these tiny, subsessile, finely pubescent ascomata growing on rachis ferns. Marginal cells are not very protrusive, obtuse and contain large refracting vacuoles as the paraphyses. Asci arising from croziers with an apical pore IKI b maybe of the Calycina-type. No rounded cells seem to be seen in the excipulum.
I'm thinking of some species in the genus Calycellina.
Many thanks in advance
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Hans-Otto Baral, 27-03-2020 20:41
Hans-Otto Baral
Re : Pezizellaceae on ferns
Calycellina is an option. Perhaps it would be worth testing CRB for the spores.

Are the asci 8-spored or 4 spores smaller?
Enrique Rubio, 27-03-2020 20:54
Enrique Rubio
Re : Pezizellaceae on ferns
It's hard to give you an answer, Zotto, but I'd say there are eight spores of approximately similar size. The Crb on the spores is impossible given the difficulty of seeing free spores.
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