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06-11-2025 16:50

Rot Bojan

Hello! Yesterday I found a fungus on or near a nee

04-11-2025 14:53

Josep Torres Josep Torres

Hello.Very small, globose, mucronate perithecia, b

05-11-2025 11:33

Pierre Repellin

Bonjpur,J'ai trouvé, sur une hampe florale d'Alli

04-11-2025 09:07

Josep Torres Josep Torres

Hello.A suspected Hymenoscyphus sprouting on a thi

04-11-2025 12:43

Edvin Johannesen Edvin Johannesen

Hi! One more found on old Populus tremula log in O

03-11-2025 21:34

Edvin Johannesen Edvin Johannesen

These tiny (0.4-0.5 mm diam.), whitish, short-stip

03-11-2025 19:41

David Chapados David Chapados

Hi,Does anyone knows which genus could this be? G

28-10-2025 15:37

Carl Farmer

I'd be grateful for any suggestions for this strik

03-11-2025 16:30

Hans-Otto Baral Hans-Otto Baral

Hello I want to ask you if you have found this ye

01-11-2025 09:14

Francis Maggi

Bonjour,Trouvé sur Xanthoria parietina à Valdebl

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Nectrioid parasite (?) growing on Craterellus
Ethan Crenson, 31-08-2020 20:12
Hello all,

In Eastern North America during the summer we often encounter what appears to be a parasite --perhaps a hyphomycete-- growing on Craterellus fallax.  Has anyone encountered something similar? Does anyone know what it is?  I don't have many details.  The fruiting bodies are globose, partially erumpent from the fertile surface of the host, surrounded by whitish hairs (or perhaps the hairs derive from the host).  They are 0.1 - 0.3mm.  They do not furnish a lot of clues microscopically.  Often I see a lot of contamination from the Craterellus, or other suspected contamination.

Thanks,

Ethan
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