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03-04-2026 17:11

Bohan Jia

Lastly, I have found these small apothecia on a co

31-03-2026 21:18

Miguel Ãngel Ribes Miguel Ángel Ribes

Good evening. oes anyone have the original descrip

31-03-2026 20:57

Stefan Blaser

Hello everybody, I hope somebody can help me with

26-03-2026 15:31

Ãke Widgren Åke Widgren

Hello,I found this one in October last year, on r

31-03-2026 16:20

Mlcoch Patrik Mlcoch Patrik

Hello, Please about help with determination. On

31-03-2026 08:19

Bernard CLESSE Bernard CLESSE

Bonjour à toutes et tous,Pourriez-vous m'aider à

30-03-2026 12:18

Sylvie Le Goff

BonjourRécolté sur la base de Pteridium aquilinu

30-03-2026 12:03

William Slosse William Slosse

Hello all,On 27/03/26, in Kraaiveld in Wingene (Be

25-03-2026 10:35

Hulda Caroline Holte

Hello,I collected this species growing on a dead b

28-03-2026 17:41

Louis DENY

Bonjour forum,Mollisia trouvée sur tige de Molini

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Literature request: Tympanis on Fraxinus
Eduard Osieck, 28-06-2015 12:32

Does somebody has available:
Cannon & Minter 2013 Tympanus columnaris
IMI Descriptions of Fungi and Bacteria, 2013, 195, pp Sheet 1948
and/ or
GROVES J.W. 1952. The genus Tympanis. Can. J. Bot. 30: 571-651.

Recently I found a Tympanis on Fraxinus which could be T. columnaris (not included in the Danish/ German key) . Asci 120-130 x 10 mu containing vaguely visible "secondary spore balls" about 15 x 8 mu. Secondary spores ellipsoid about 6 x 3 mu. 

Thanks in advance, Eduard

Chris Yeates, 28-06-2015 15:45
Chris Yeates
Re : Literature request: Tympanis on Fraxinus
Hello Eduard
Paul Cannon does visit this forum quite regularly so he might be able to provide the first. I have sent you the CJB one via Dropbox . . .
amitiés
Chris
Eduard Osieck, 28-06-2015 22:15
Re : Literature request: Tympanis on Fraxinus
Chris, thank you very much!
Unfortunately the collection cannot be identified properly with the key of Groves and the asci appear to be less wide than indicated by Groves for T. columnaris. So I am quite anxious to see the description by Cannon & Minter.
EDuard
Paul Cannon, 02-07-2015 17:59
Re : Literature request: Tympanis on Fraxinus
Hope this is helpful
Paul
Eduard Osieck, 02-07-2015 18:33
Re : Literature request: Tympanis on Fraxinus
Yes, this is very helpful for the identification of the collection.
Thank you very much, Eduard
Björn Wergen, 06-07-2015 13:57
Björn Wergen
Re : Literature request: Tympanis on Fraxinus
Hi Chris,

can you send me the CJB article too? Thanks again :D

regards,
björn