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30-12-2025 16:44

Pascal Ducos

Bonjour,Une anamorphe rose stipitée, très nombre

29-12-2025 23:20

éric ROMERO éric ROMERO

Bonjour, Une récolte du mois d'août 2025 en tou

30-12-2025 17:14

Bernard CLESSE Bernard CLESSE

Bonjour à toutes et tous,Pourriez-vous aider Albe

30-12-2025 15:31

Johan Boonefaes Johan Boonefaes

I found this unknown star form by the microscopy o

29-12-2025 10:15

Hulda Caroline Holte

Hello, I found and collected this propoloid ascom

30-12-2025 09:04

Josep Torres Josep Torres

Hello.A Pyrenomycete sprouting sparsely but very d

29-12-2025 17:44

Isabelle Charissou

Bonjour,J'aimerais savoir si d'autres personnes au

12-11-2021 00:03

Lepista Zacarias

Hi everybody,A week ago in my fiels trip I noticed

29-12-2025 17:51

Blasco Rafael Blasco Rafael

Hola, me pueden ayudar con esta muestra.Recogida s

29-12-2025 17:12

Bernard CLESSE Bernard CLESSE

Bonjour à toutes et tous,Pourriez-vous m'aider à

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On Rhamnus frangula
Aafke Buijs, 21-07-2015 17:09
Hello,

Found these partly immersed black fruitbodies on wet twig of Rhamnus frangula, some solitair, most of them in small groups on a black underground (under the bark).
Asci with 6-8 spores, about 120, with thick walls and gelatinous content between the spores, as it looks to me.
Spores colourless when young and brownish when mature. Mature spores 20-23/7-9.
Mature spores with 3, but mostly more, transverse and longitudinal septa, different from the description and the picture in Ellis & Ellis.

Could this still be Karstenula rhodostoma ?

Greetings, Aafke
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Jaklitsch Walter, 21-07-2015 20:40
Re : On Rhamnus frangula
This is Cucurbitaria rhamni. I am presently working on Cucurbitaria. If you want you can send me some material.
Best regards, Walter
Aafke Buijs, 21-07-2015 21:46
Re : On Rhamnus frangula
Hi Walter,

Of course, that's it ! Strangely I did look for Frangula instead of Rhamnus in the book of Ellis. Must be the warmth !
Thanks.
Could you give me your address by email in order to provide you with the rest of my finding ?

Regards,
Aafke