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04-12-2023 08:32


Bonjour, récolte réalisée au sol dans un parc,

01-12-2023 21:54

Marian Jagers Marian Jagers

Does anyone recognize this species? Apothecia in

04-12-2023 10:01

François Bartholomeeusen

Dear forum participants, On a thin twig of Myrica

03-12-2023 19:21

ruiz Jose antonio

Hola a todos, en un talud cercano a un riachuelo,

28-11-2023 23:10

Villalonga Paco

On basic soil in humid bank, Teruel, Spain, around

02-12-2023 21:21

Elisabeth Stöckli

Bonsoir, Récolte en milieu incendié, apothécie

25-11-2023 14:49

Kees van Oorde Kees van Oorde

Very small fruiting bodies on affected leaves. Fou

30-11-2023 14:33

Béatrice Senn-Irlet

alll issues of Mycologia Helvetica (1983-2000) are

28-01-2014 10:50

Gernot Friebes

Hi,I'm looking for these three standard references

25-11-2023 18:14

Danny Newman Danny Newman

higher resolution images available at inaturalist.

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Margot en Geert Vullings, 28-09-2023 20:57
This cup fungus was found on the ground, not near a tree, in a peat area where there was a fire in the summer of 2022.
The fruit bodies are 2.5 cm in diameter and olive green in color.

The bottom is colored the same as the inside.

Spores: 14.6-16.1 x 6.6-7.9µ, in cotton blue-lactic acid not or very fine ornamented?
Ascus: 183.8-230.47 x 10-12µ
Everything measured in water.
Paraphyses: curved, walking stick, 3.5µ wide.

In Melzers no reaction on the ascustop.

With Spooner's key I cannot arrive at a species that fits correct. The closest is Peziza subviolacea in terms of spore sizes and ascus size, but lacks the violet color.

Which Peziza could this be?

Thanks in advance, Margot&Geert
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Nicolas VAN VOOREN, 29-09-2023 08:14
Re : Peziza
First, you should retry the test of amyloidity (sometimes it works with IKI instead of MLZ). The type of reaction is an important feature.
Then you can use the key to European genera of Pezizaceae available here:
It can help to find the best genus (or genera) for your collection.
Margot en Geert Vullings, 29-09-2023 13:54
Re : Peziza
Thanks for the response Nicolas.
We currently do not have IKI, but we would like to order it.

The question is whether we will receive it in time for this cup fungus.

Regards, Margot

Nicolas VAN VOOREN, 29-09-2023 14:38
Re : Peziza
So retry with MLZ :)
Margot en Geert Vullings, 29-09-2023 18:09
Re : Peziza
Retry with MLZ, we think a very smal blue line?

We don't know the different amyloid reactions, we can't find them on the internet.


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Nicolas VAN VOOREN, 29-09-2023 18:36
Re : Peziza
OK, this is a reaction of W type.
More information in this paper:
Margot en Geert Vullings, 29-09-2023 19:46
Re : Peziza
Thanks for all the information.
We are not familiar with all the terms of the key, we are beginners, but we tried it and ended up with Hansenopezia?
Nicolas VAN VOOREN, 30-09-2023 10:34
Re : Peziza
No, I don't think it could be a Hansenopezia.
The ascospores contain granules (BSG), not guttules. As the content of paraphyses is not easy to determine with your photos, the choice is between Elaiopezia or more probably Phylloscypha.
Margot en Geert Vullings, 30-09-2023 20:49
Re : Peziza
Because we really want to know which cup fungus this is, we tried to take new photos of the paraphyses in water (first two pictures) and in IKI (last two pictures)). Hopefully it helps. Regards, Margot&Geert

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Nicolas VAN VOOREN, 01-10-2023 09:11
Re : Peziza
Well, using my key, the genus Elaiopezia could fit, but I don't know any species with these characters.
Another possibility is the genus Lepidotia. The ecology and all the microscopic characters agree with L. hispida, but this species is usually stipitate!
Sequencing the collection will probably give the solution.
Margot en Geert Vullings, 01-10-2023 13:49
Re : Peziza
We don't know anyone who could sequence this for us. If you are interested, we will be happy to send you the cup mushroom?
Kind regards, Margot &Geert