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25-11-2016 13:54

Stephen Martin Mifsud Stephen Martin Mifsud

Hi, I found numerous seeds of Washingtonia robusta

21-10-2025 04:52

Francois Guay Francois Guay

I found what might be Chlorociboria aeruginella on

17-10-2025 18:45

Riet van Oosten Riet van Oosten

Hello, Found by Laurens van der Linde, Oct. 2025.

19-10-2025 18:58

Bernard CLESSE Bernard CLESSE

Bonsoir à toutes et tous,Il y a un peu plus de de

20-10-2025 09:36

Nicolas VAN VOOREN Nicolas VAN VOOREN

Hello.I'm searching for the following article:Bene

19-10-2025 14:10

Camille Mertens

Bonjour à tous.Asco stipité 1mm de texture appar

23-09-2025 13:31

Thomas Læssøe

https://svampe.databasen.org/observations/10534623

15-10-2025 16:39

Edvin Johannesen Edvin Johannesen

These tiny (0.2-0.6 mm), white, pulvinate apotheci

03-10-2025 13:44

Riet van Oosten Riet van Oosten

Hello, Found by Laurens van der Linde on Populus

13-10-2025 19:05

Louis DENY

Bonjour forumSur tronc décortiqué de feuillu x,

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Melampsora ??? en Salix
Castillo Joseba, 03-07-2025 18:40
Castillo Josebame mandas el material seco de Galicia (España) recolectado en hoja de Salix

no se me ocure mas que una Melampsora ?? 

A ver si hay alguna sugerencia

Saludos
Joseba
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Björn Sothmann, 04-07-2025 09:24
Björn Sothmann
Re : Melampsora ??? en Salix
Dear Joseba,

I have no idea what these yellow structures are, but I can definitely rule out a Melampsora species. Uredia of melampsora are usually found on living leaves, not on necrotic ones and they are also flatter and rather on the leaf surface, barely at edges like in your case. Finally, uredospores of Melampsora also look different with a spiny surface.

Best,

Björn
Castillo Joseba, 04-07-2025 09:51
Castillo Joseba
Re : Melampsora ??? en Salix
Hola Bjorn,  he estado pensando y creo que podría ser una puesta de algún insecto