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27-03-2024 22:53

Charles Aron Charles Aron

Hi All,Recently I came across these minute, setose

26-03-2024 17:14

Juuso Äikäs

These little black ascos were growing on a dead, d

25-03-2024 13:41

B Shelbourne B Shelbourne

• Hyaloscyphaceae (no VBs), Hyaloscypha: Macro a

25-03-2024 21:27

Riet van Oosten Riet van Oosten

Hello, Found by Laurens van der Linde, March 2024

26-03-2024 14:37

DAVID MARCOS DAVID MARCOS

Spores (telles qu'elles apparaissent à l'intérie

24-03-2024 08:27

Thierry Blondelle Thierry Blondelle

HiOn Hedera helix fallen branchEcological habitat:

26-03-2024 11:06

michel bertrand

Bonjour, Malgré de nombreuses recherches, je n'a

25-03-2024 14:08

Ursula Kozik

Bonjour et bonne journée, On m'a envoyé une tro

25-03-2024 03:56

B Shelbourne B Shelbourne

• Scuttelinia: Macro and habitat.• S. scutella

25-03-2024 20:21

DAVID MARCOS DAVID MARCOS

Bonjour, je m'appelle David et je débute dans l'i

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pyrenomycete from the Algarve (Portugal)
Lothar Krieglsteiner, 14-05-2019 19:44
Lothar Krieglsteiner

... growing on small thin twigs of likely Alnus glutinosa near Aljezur (West Coast), on 2.4.2019. THe spores are about 10-12/4-5 µm, the perithecia with a quite conspicuous ostiolum remind a bit of a Gnomonia or similar fungi.


Who can provide me with an idea?


Best regards, Lothar

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Enrique Rubio, 14-05-2019 19:54
Enrique Rubio
Re : pyrenomycete from the Algarve (Portugal)
Hi Lothar
Look for Diaporthe. Very important is to look for ventral black lines in the sustrate.
Lothar Krieglsteiner, 15-05-2019 14:17
Lothar Krieglsteiner
Re : pyrenomycete from the Algarve (Portugal)

Hello Enrique,


thank you very much - a good hint.


I will take a look at the specimen soon and then report.


Best regards, Lothar

Lothar Krieglsteiner, 29-06-2019 06:01
Lothar Krieglsteiner
Re : pyrenomycete from the Algarve (Portugal)

Hello Enrique,


sorry- it took a long time till today I had the time to have another look at the specimen.


You were fully right. Not only is the surface of the small twigs stained blackish; the stromatic lines are also present.


So Diaporthe spec. - thanks again.


Best regards, Lothar

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