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07-02-2023 22:28

Ethan Crenson

Hello friends, On Sunday, in the southern part of

19-02-2026 17:49

Salvador Emilio Jose

Hola buenas tardes!! Necesito ayuda para la ident

09-02-2026 22:01

ruiz Jose

Hola, me paso esta colección en madera de pino, t

19-02-2026 13:50

Margot en Geert Vullings

We found this collection on deciduous wood on 7-2-

19-02-2026 12:01

Castillo Joseba Castillo Joseba

Me mandan el material de Galicia (España), recole

17-02-2026 09:41

Maren Kamke Maren Kamke

Good morning, I found a Diaporthe species on Samb

16-02-2026 21:25

Andreas Millinger Andreas Millinger

Good evening,failed to find an idea for this fungu

08-12-2025 17:37

Lothar Krieglsteiner Lothar Krieglsteiner

20.6.25, on branch of Abies infected and thickened

17-02-2026 17:26

Nicolas Suberbielle Nicolas Suberbielle

Bonjour à tous, Je recherche cette publication :

03-02-2013 19:50

Nina Filippova

Good time), I've compared this specimen with the

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[Lachnum cf. reynoutriae] Lachnum sp.
Yannick Mourgues, 26-06-2010 01:06
Yannick MourguesHi.

Here is another recolt. on Epilobium too with Lachnum reynoutriae.

Macro is same then L. reynoutriar exept the hymenium which is yellow.

Spores 6,7-7,4x1,5-2,1 um with 1guttule at each end.
Asci without croziers, iki+, 35-40x4-5 um.
Paraphyses 70-80x4-5 um, with many guttules, 20-25 um protruding.
Hairs 2-3septate, 70-90x3-4 um with sometimes a slightly widened extremity (l=4-5um)

What do you think about this specie ?

Yannick
  • message #12129
Yannick Mourgues, 26-06-2010 01:06
Yannick Mourgues
Re:Lachnum sp.
another picture...
  • message #12130
Yannick Mourgues, 26-06-2010 01:14
Yannick Mourgues
Re:Lachnum sp.
spores
  • message #12131
Yannick Mourgues, 26-06-2010 01:16
Yannick Mourgues
Re:Lachnum sp.
L. brevipilosum even if paraphyses are 20-25 um protruding ?
Stip Helleman, 26-06-2010 01:23
Stip Helleman
Re:Lachnum sp.
Hi Yannick,
this can be a strange variety that occurs also sometimes in L. pudicellum/tenuissimum, the VBs are yellow in stead of colourless. This i collected 2 weeks ago. This feature can only be seen in living specimens
  • message #12133
Stip Helleman, 26-06-2010 01:24
Stip Helleman
Re:Lachnum sp.
the VBs
  • message #12134
Yannick Mourgues, 26-06-2010 09:27
Yannick Mourgues
Re:Lachnum sp.
Hi Stip
VBs were hyaline so it's not that. Unfortunately I haven't made any picture of that.
I don't know what it could be !
Yannick
brigitte capoen, 26-06-2010 12:17
Re:Lachnum sp.
Hi Yannick and Stip,

The ''yellowing phenomenon'' that Stip talks about is actually frequent with L. pudicellum but also with other Lachnum species or in other genera such as Crocicreas. The substrate has also partly got the same yellow sulphur colour in that case, which may indicate that the mixed white and yellow specimens are the same species .

Amitiés
Michel
Hans-Otto Baral, 26-06-2010 12:30
Hans-Otto Baral
Re:Lachnum sp.
Yes, I also think that the yellow colour of the VBs are not a species marker. Therefore I doubt a bit whether the yelow L. morthieri on Phargmites is different from the white L. controversum.

In L. reynoutriae there are no refractive VBs, so I don't know where the yellow pigment is located.
At least we can say that the spore size of this yellow one now better fits L. reynoutriae.

Zotto
Yannick Mourgues, 27-06-2010 00:34
Yannick Mourgues
Re:Lachnum sp.
Merci à tous !
Yannick