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02-02-2026 21:46

Margot en Geert Vullings

On a barkless poplar branch, we found hairy discs

02-02-2026 14:55

Andgelo Mombert Andgelo Mombert

Bonjour,Sur thalle de Lobaria pulmonaria.Conidiome

02-02-2026 14:33

Andgelo Mombert Andgelo Mombert

Bonjour,Sur le thalle de Peltigera praetextata, ne

31-01-2026 10:22

Michel Hairaud Michel Hairaud

Bonjour, Cette hypocreale parasite en nombre les

02-02-2026 09:29

Bernard CLESSE Bernard CLESSE

Bonjour à toutes et tous,Pour cette récolte de 2

01-02-2026 19:29

Nicolas Suberbielle Nicolas Suberbielle

Bonjour, Marie-Rose D'Angelo (Société Mycologiq

30-01-2026 22:49

éric ROMERO éric ROMERO

Bonjour tous, Récolté dans les Vosges le 22/10/

31-01-2026 09:17

Marc Detollenaere Marc Detollenaere

Dear Forum,On decorticated wood of Castanea,I foun

29-08-2025 05:16

Francois Guay Francois Guay

I think I may have found the teleomorph of Dendros

30-01-2026 21:20

Arnold Büschlen

Bryocentria brongniartii und B. metzgeriae mit ihr

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Possible Geocladium luteolum
Steve Clements, 19-08-2014 16:18
Possible Geocladium luteolum
Hi,
This was found on an old beech log, with Nectria coccinea. The pale off-white pulvinate (up to imm diameter) sporodochia? looked yellowish under LED and more pinkish under halogen light. Conidia were abundant and looked agglutinated, hyaline, up to 6 x 3 um. The only structures I could see were Penicillium-like phialides. Ellis and Ellis pointed to Geocladium luteolum as a possible ID. Does this make sense?
Steve
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Paul Cannon, 19-08-2014 16:30
Re : Possible Geocladium luteolum
I think this is the anamorph of Nectria (now Neonectria) coccinea. It has a Cylindrocarpon anamorph which produces microconidia like your collection, as well as long curved Fusarium-like macroconidia.

Best wishes

Paul
Steve Clements, 19-08-2014 20:39
Re : Possible Geocladium luteolum
Thanks very much Paul, that makes sense, with its intimate relations with the N coccinea. It's another one for the list, all be it a conidial form!
Steve