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27-08-2013 23:27

Marcus Yeo

BonjourI found this discomycete recently growing

26-08-2013 21:46

Pavol Palo

  Hello friends, may I ask you for help ? I wou

27-08-2013 13:31

Nina Filippova

Hello, this beautifil species was collected severa

23-08-2013 13:29

Jac Gelderblom

Dear friendsThe keys of Shoemaker on Ophiobolus an

27-08-2013 04:57

Masanori Kutsuna

Hello everyone, I found white molds on Trichoglos

26-08-2013 07:28

SYLVAIN ARD

Bonjour,Je recherche les articles suivants SVP :-

23-08-2013 14:14

Joop van der Lee Joop van der Lee

Foound on horse dung.Asci: 239.32x23.59 umSpores:

24-08-2013 12:50

Joop van der Lee Joop van der Lee

Found on horse dung.Although macroscopically it fi

22-08-2013 01:02

Esquivel-Rios Eduardo

Hola todos.Este ascomiceto encontrado en madera mu

22-08-2013 21:50

Ralph Vandiest Ralph Vandiest

Hello,I found this fimaria on deer dung. I think i

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Lachnum on Schoenoplectus
Marcus Yeo, 27-08-2013 23:27
Bonjour

I found this discomycete recently growing on dead stems of Schoenoplectus lacustris in the UK. Details as follows:

Apothecia up to 0.8 mm across. Sessile. With pale orange discs.

Asci 70-85 x 8-10 µm. No croziers seen (but I'm not certain they are absent).

Spores 15-18 x 3-3.5 µm, with several oil bodies (ca 40% oil content).

Paraphyses extending 10-20 µm beyond asci, with many small oil bodies. 3-4 µm wide.

Hairs ca 50 x 2 µm. Granular throughout. Cylindrical with rounded apices.  

The attached images are not very good but hopefully show the main features reasonably well. 

The best fit I can find using Nordic Macromycetes and Mycokey is Lachnum albidoroseum though the colour of the apothecium is described as pink or rose whereas my specimen was orange.

I'm still very much a beginner with ascomycetes - this is my first post on Ascofrance. Any help with identification would be very gratefully received!

Merci

Marcus

  • message #24940
  • message #24940
  • message #24940
  • message #24940
  • message #24940
Martin Bemmann, 27-08-2013 23:40
Martin Bemmann
Re : Lachnum on Schoenoplectus
Hans-Otto Baral, 28-08-2013 00:03
Hans-Otto Baral
Re : Lachnum on Schoenoplectus
yes, it is, and albidoroseum is a synonym.

Zotto
Marcus Yeo, 28-08-2013 19:26
Re : Lachnum on Schoenoplectus
Many thanks for your rapid responses and confirmation of my identification.

Marcus