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28-04-2015 21:58

Jenny Seawright Jenny Seawright

Hello all, Found on Phragmites australis (?) at th

29-04-2015 11:36

Jean-Louis JALLA Jean-Louis JALLA

Bonjour à tous.Je sollicite votre aide pour ce pe

28-04-2015 20:35

Zuzana Sochorová (Egertová) Zuzana Sochorová (Egertová)

Hello,please, are the structures I observed in med

28-04-2015 00:14

Andrew N. Miller Andrew N. Miller

Not a Chaetosphaeria.  Not a Hilberina.  Any ide

24-04-2015 14:49

Savic Dragisa

I found it on Galium mollugo, about 1mm tall, does

27-04-2015 21:06

Steve Clements

Hi,I used Fungi of Switzerland and W.G. Dennis (A

25-04-2015 12:19

Castillo Joseba Castillo Joseba

En madera sin determinar A ver si hay alguna suge

27-04-2015 14:21

Leandro Sánchez Leandro Sánchez

Sur Fagus.Asques 67-77 / 5-7 , BB, croziers +KOH 3

27-04-2015 15:43

Nina Filippova

Hello dear Forum.This very early species was found

27-04-2015 17:58

Christian Lechat Christian Lechat

Hi to all,I again need your help, somebody would h

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Lophiostoma?
Jenny Seawright, 28-04-2015 21:58
Jenny SeawrightHello all,

Found on Phragmites australis (?) at the beginning of April - the closest I can get is possibly a Lophiostoma but the spore sizes of my two specimens are smaller and narrower than those given in Ellis for either Lophiostoma semiliberum or L. arundinis.....

Spores in the first examined were 3-5 septate, (20)22-29 x (3)4-5 µm, measured asci 80-90 x 10 µm.
The second specimen had spores 3-septate, (24)30-40 x (3.5) 5 (6)µm, measured ascus 130 x 10µm

Once again help much appreciated!
With regards,
Jenny
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Chris Yeates, 28-04-2015 23:56
Chris Yeates
Re : Lophiostoma?
Hi Jenny
with the pseudothecia growing like that - in lines - you could consider Lentithecium arundinaceum. See Enrique's page at http://www.asturnatura.com/fotografia/setas-hongos/lentithecium-arundinaceum-sowerby-k-d-hyde-j-fourn-ying-zhang-2/15260.html It's not always easy to see them but there should be blunt hyaline tips (from a sheath) visible on at least some of the spores.

best wishes
Chris
Jenny Seawright, 29-04-2015 10:16
Jenny Seawright
Re : Lophiostoma?
Thanks Chris,

Comparing with the images shown on Enrique's page Lentithecium arundinaceum looks a good possibility - I'll check my specimens tonight and see if I can find any hyaline tips on the spores.

Are there other names it is known by as I can't find Lentithecium on either the NBN or the BMS's Fungal Database?

With regards,
Jenny
Jacques Fournier, 29-04-2015 16:27
Jacques Fournier
Re : Lophiostoma?
Hi Jenny,
this very common and variable fungus was used to be called Massarina arundinacea before being transferred to Lentithecium.
Cheers
Jacques
Jenny Seawright, 29-04-2015 18:47
Jenny Seawright
Re : Lophiostoma?
Thanks Jacques - Massarina arundinacea was on my list of possibilities but for some reason I'd discounted it .......

With regards,
Jenny