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28-10-2025 22:22

Literature request
Bernard Declercq Bernard Declercq

Hello.I'm searching for the following paper:Punith

28-10-2025 22:03

Literature request
Bernard Declercq Bernard Declercq

Hello.I'm searching for the following paper:Punith

28-10-2025 19:33

Rutstroemia firma
Nicolas Suberbielle Nicolas Suberbielle

Bonjour à tous,Je voudrais votre avis sur cette r

27-10-2025 19:51

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Peter Welt Peter Welt

Who has this article? Doveri, F. 2007. Sporormiel

28-10-2025 15:37

Bright orange stalked asco
Carl Farmer

I'd be grateful for any suggestions for this strik

28-10-2025 11:29

Asco on Quercus-leaves
Tanja Böhning Tanja Böhning

Hello, I found this very small (ca 0,5mm) yellow

27-10-2025 00:34

Strange asco on Quercus acorn
Francois Guay Francois Guay

I found this strange species in Québec,Canada, gr

27-10-2025 15:29

A new find for a Calycina on Rubus
Michel Hairaud Michel Hairaud

Bonjour à tous, Avec Elisabeth Stöckli nous avo

26-09-2025 15:51

Sordariales sp
Jean-Luc Ranger

Bonjour, voici un ascome poussant sur crotte de la

26-10-2025 13:39

Unknown ascomycete.
Joaquin Martin

Hi,I found this fungus in a mixed forest of spruce

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Sphaerulina cornicola versus Septoria cornina
Bernard Declercq, 16-07-2025 17:34
Bernard DeclercqHello,

I have trouble distinguishing above mentioned species.
Following paper could be helpful: 

IMI Descriptions of Fungi and Bacteria No. 1583  - SEPTORIA CORNICOLA

Can anyone supply me a pdf of this paper?

Thanks in advance for your help.

Bernard
Björn Sothmann, 16-07-2025 17:43
Björn Sothmann
Re : Sphaerulina cornicola versus Septoria cornina
Dear Bernard,

unfortunately, I don't have access to the paper that you mention, but I have access to a preliminary version of a key on anamorphic ascomycetes on living plants by Friedemann Klenke and Julia Kruse (to be released online within the near future) which keys out the various fungi on Cornus.

Septoria cornina: Conidia lunate or hook-shaped, curved, 4-6 celled, (26-)34-60 µm x 2-2,5(-3) µm, pycnidia 74-102 µm diameter, not rare on C. sanguinea

Septoria cornicola: Conidia nearly straight, (2-)4-7 celled, 24-42(-52) µm x (2-)2,5-3,5(-4) µm, pycnidia 52-120 µm diameter, not rare on C. sanguinea, rare on C. alba, C. mas, C. sericea, C. stolonifera

Sphaerulina cornicola: conidia one-celled, hyaline, (4,5-)5-9(-10) µm x (2,5-)4-4,5(-5) µm, pycnidia 150-220 µm diameter, leaf spots blackish red, later fading in the center, not rare on C. snaguinea, rare on C. alba.

Best,

Björn
Bernard Declercq, 17-07-2025 11:35
Bernard Declercq
Re : Sphaerulina cornicola versus Septoria cornina
Dear Björn,

thanks trying to help me.
There is something wrong with your key. Septoria cornicola is a synonym of Sphaerulina cornicola according to Verkley et al. (2013).

Bernard