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Louis DENYBonsoir forumTrouvé à Belfort, 400 m altitude, s
Didymella ilicis
Enrique Rubio,
21-07-2023 19:36
I'm searching for the description of Didymella ilicis P. Larsen, in Dansk bot. Ark. 14(no. 7): 21 (1952).Could someone help me?
Many thanks in advance
enrirubio@asturnatura.com
Martin Bemmann,
21-07-2023 22:08
Re : Didymella ilicis
Dear Enrique,
this is from Larsen (1952) Studies in Danish Pyrenomycetes
compiled by Munk: https://books.google.de/books/about/Studies_in_Danish_Pyrenomycetes.html?id=_v0LzwEACAAJ&redir_esc=y
I don't have this. But there is a good chance that Munk simply repeated the description in his Danish Pyrenomycetes from 1957 (attached).
Best regards
Martin
Enrique Rubio,
22-07-2023 00:33
Re : Didymella ilicis
Thank you Martin. Always helping us. I had already seen Munk's description, which, as you say, is probably the same as Larsen's description. Everything points to his Didymella ilicicola being a synonym of Keissleriella cladophila which he missed the periostiolar setae.
Martin Bemmann,
22-07-2023 10:33
Re : Didymella ilicis
Maybe the original description of 1952 has an illustration.
Martin Bemmann,
22-07-2023 10:58
Re : Didymella ilicis
Henrik F. Gøtzsche,
22-07-2023 14:43
Re : Didymella ilicis
I scanned Larsen's paper this morning. Just need a couple of hours to tidy theimages and make a pdf. I will post the pdf tomorrow.
Sorry about the quality, AscoFrance will not allow me to post the file in a decent resolution.
/Henrik
larsen-poul-1952-01-0001.pdf
Enrique Rubio,
22-07-2023 21:40
Re : Didymella ilicis
As I said before, I think it is quite possible that Didymella ilicis is Keissleriella cladophila. I found it very difficult to see the periostiolar setulae and therefore considered it to be a true Didymella. And I think Larsen had the same problem as I did until after several sections I was able to see them.Many thanks Martin and Henrik for your kindly help.
https://www.centrodeestudiosmicologicosasturianos.org/?p=60467
My collection was made on still attached branches of Ilex aquifolium.
https://www.centrodeestudiosmicologicosasturianos.org/?p=60467
My collection was made on still attached branches of Ilex aquifolium.
Martin Bemmann,
22-07-2023 22:08
Re : Didymella ilicis
Since Larsen made his collection in 1924 (see attached document) and the description was possibly made a considerable time later from dried material, it is quite possible that setae were overlooked.
Martin
Enrique Rubio,
22-07-2023 22:28
Re : Didymella ilicis
It is possible, Martin, but we'll never know.
Martin Bemmann,
22-07-2023 22:38
Re : Didymella ilicis
yes, this collection seems not to have survived...