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28-01-2011 09:04

COPROPHILE
Alain Delannoy

Bonjour à tous, Je vous soumets une récolte q

27-01-2011 19:10

Pyreno on goat dung
Enrique Rubio Enrique Rubio

This fungus has orange golden free and scattered p

24-01-2011 21:26

Red Lamprospora from Spain
Rodríguez Borja Rodríguez Borja

Hi! Here´s a Acomycete from Madrid(Spain) b

23-01-2011 21:42

Lasiosphaeria stuppea?
Gernot Friebes

Hi, I think this collection is close to Lasiosp

22-01-2011 15:05

Dark on Syringa
Marja Pennanen

Hello folks, today I picked up a twig of Syring

22-01-2011 14:53

Diatrype
Gernot Friebes

Hi, I often have problems with Diatrypaceae, al

21-01-2011 09:19

Hyphomycete
Hans-Otto Baral Hans-Otto Baral

Here is a hyphomycete which was twice collected ar

20-01-2011 20:14

Ophiostoma sp.?
VASILEIOS KAOUNAS

I found this Melanogaster variegatus rotten.

20-01-2011 20:13

Ophiostoma sp.?
VASILEIOS KAOUNAS

I found this Melanogaster variegatus rotten

19-01-2011 22:34

Bionectriaceae
Hans-Otto Baral Hans-Otto Baral

Hi all Here I have a Bionectriaceae as I believ

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Lasiosphaeria
Björn Wergen, 24-06-2013 11:21
Björn WergenHi there,

here is another problem, found in Austria on dead dicot stems. I hadn't ever seen any Lasiosphaeria species with so long, straight hairs, which are up to 310µm long.

Spores sometimes have 1 (perhaps 2) septation.

With the key available on the page I come to L. rufa (without setae septations) or L. caudata (spores are bigger).

Any idea?

regards,
björn
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Andrew N. Miller, 24-06-2013 16:52
Andrew N. Miller
Re : Lasiosphaeria
This is Hilberina rufa.

Ascomata gregarious to densely crowded, globose to ovoid, 380-480 µm diam. x 480-550 µm high, setae pale reddish-brown, thick-walled with narrow lumen, blunt to acute ended; ascospores cylindrical, basal end curved in obtuse angle, attenuate and acerose with a slightly swollen enlarged tip, hyaline to yellowish, 3-septate, 48-58 x 3.5-3.8 µm

Andy
Björn Wergen, 24-06-2013 18:12
Björn Wergen
Re : Lasiosphaeria
Hi Andy,

it is really L. rufa? Ok, I thought this species has to have non-septated hairs. Many thanks for your help :)

regards,
björn
Andrew N. Miller, 24-06-2013 18:20
Andrew N. Miller
Re : Lasiosphaeria
Sorry, I was beta testing a new key I'm trying to make for these things and it still needs some work (obviously).  This is probably Hilberina caudata although you said the spores were longer in your collection.

Andy
Björn Wergen, 24-06-2013 18:39
Björn Wergen
Re : Lasiosphaeria
Hi,

I think that the spores of H. caudata are longer as in my collection (that was what I meant). For me, Hilberina rufa seems to fit better (compared with H. caudata).

regards,
björn
Andrew N. Miller, 24-06-2013 20:13
Andrew N. Miller
Re : Lasiosphaeria
But, your spores look very different from what Candousau et al. illustrated for L. rufa.

Andy
Björn Wergen, 24-06-2013 20:21
Björn Wergen
Re : Lasiosphaeria
Hm ok, thanks Andy.

regards,
björn