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08-11-2025 00:29

Francois Guay Francois Guay

I found this species in Quebec, Canada, on herbace

04-11-2025 14:53

Josep Torres Josep Torres

Hello.Very small, globose, mucronate perithecia, b

08-11-2025 09:15

Michel Hairaud Michel Hairaud

Bonjour, Pouvez vous m'aider à identifier ce Mol

08-11-2025 12:10

Elisabeth Stöckli

Bonjour, Trouvé sur tiges mortes de Rubus (ronce

06-11-2025 16:50

Rot Bojan

Hello! Yesterday I found a fungus on or near a nee

05-11-2025 11:33

Pierre Repellin

Bonjpur,J'ai trouvé, sur une hampe florale d'Alli

04-11-2025 09:07

Josep Torres Josep Torres

Hello.A suspected Hymenoscyphus sprouting on a thi

04-11-2025 12:43

Edvin Johannesen Edvin Johannesen

Hi! One more found on old Populus tremula log in O

03-11-2025 21:34

Edvin Johannesen Edvin Johannesen

These tiny (0.4-0.5 mm diam.), whitish, short-stip

03-11-2025 19:41

David Chapados David Chapados

Hi,Does anyone knows which genus could this be? G

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Mycosphaerella patouillardii o buxicola?
Carmen Echavarri, 24-05-2014 20:24
Hi all
Mycosphaerella on living leaves of Buxus sempervirens, from Navarra (Spain).
The description I have of both (M. patouillardii and M. buxicola) is very similar, and I have not found microphotographs  to compare with mine, so I am not able to determine it correctly.
I'd be grateful of some help
Best regards
Carmen
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Gernot Friebes, 25-05-2014 10:29
Re : Mycosphaerella patouillardii o buxicola?
Hi Carmen,

I don't have a lot of experience with this group but if you compare the two species you mentioned on the Mycosphaerella Identification Website* your collection fits better to M. patouillardii:

M. patouillardii: on living leaves, ascospores 25-30 x 3-4 µm.

M. buxicola: on dead leaves, ascospores 17-23 x 2-3 µm.

Maybe that helps...

Best wishes,
Gernot


* http://www.cbs.knaw.nl/Mycosphaerella/DefaultInfo.aspx?Page=Home
Carmen Echavarri, 25-05-2014 12:44
Re : Mycosphaerella patouillardii o buxicola?
Yes, it helps a lot.
Thank you very much Gernot.
Best wishes
Carmen