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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

04-11-2025 14:53

Josep Torres Josep Torres

Hello.Very small, globose, mucronate perithecia, b

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

28-10-2025 19:33

Nicolas Suberbielle Nicolas Suberbielle

Bonjour à tous,Je voudrais votre avis sur cette r

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On dead leaves of Laurus nobilis
Carmel Sammut, 18-11-2015 17:59
Found on dead leaves of Laurus nobilis last week, in a shaded area.
It appears to be a conidial form with unusual spores which I cannot identify using Hanlins's guide or any of my books. No asci or paraphyses seen.

Ascoma 450-650µm diameter
'Spores' triseptate some with 2 long cilia at both ends, sometimes with only 1.
Size 23-24 x 3-3.5µm, cilia up to 10µm in length.

Any help would be appreciated.

The only species listed on Laurus by Saccardo is an Ectostoma laurii but I cannot find any data on this species.
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Alex Akulov, 18-11-2015 19:17
Alex Akulov
Re : On dead leaves of Laurus nobilis
This is Coelomycete. I think Discosia artocreas (Tode) Fr.
Alex
Carmel Sammut, 18-11-2015 19:25
Re : On dead leaves of Laurus nobilis
Thanks Alex
Chris Yeates, 18-11-2015 23:50
Chris Yeates
Re : On dead leaves of Laurus nobilis
Alex is surely correct in the genus, but there are other Discosia spp. known to occur on Laurus leaves. This thread might be of some help:
http://www.ascofrance.com/search_forum/27676
If you would like I could send you quite a bit of literature on the microfungi found on Laurus leaves (a very interesting micro-habitat)  . . . . .

best wishes
Chris
Carmel Sammut, 19-11-2015 08:29
Re : On dead leaves of Laurus nobilis
Hi Chris,
          Thanks for the link - a very useful thread. The publication by Vanev (1996) re Discosia in the Mediterranean lists D. laurina as growing on Laurus - I will take a closer look at more literature first.

Thank you also for your offer of literature on Laurus which I will gladly accept.

Thanks again