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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

04-11-2025 14:53

Josep Torres Josep Torres

Hello.Very small, globose, mucronate perithecia, b

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

28-10-2025 15:37

Carl Farmer

I'd be grateful for any suggestions for this strik

03-11-2025 16:30

Hans-Otto Baral Hans-Otto Baral

Hello I want to ask you if you have found this ye

01-11-2025 09:14

Francis Maggi

Bonjour,Trouvé sur Xanthoria parietina à Valdebl

28-10-2025 19:33

Nicolas Suberbielle Nicolas Suberbielle

Bonjour à tous,Je voudrais votre avis sur cette r

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? Hysteropatella prostii on the Malus bark
Alex Akulov, 10-10-2013 16:56
Alex AkulovDear Friends,
on the bark of the dying branches of the apple tree (still attached to the tree) I have found abundant sporulation of the fungus, which I tentatively identified as Hysteropatella prostii. Asci (sporiferous parts) are 61-69 x 13,4-14,5 micron. Ascospores are 15,3-18,2 x 5-1-5,2 micron. Young ascospores are very light, almost hyaline, but during maturation they become markedly brown. Photos of all diagnostically important structures are attached.

Did I am correct in my assumptions?


Sincerely,
Alex

  • message #25407
  • message #25407
  • message #25407
  • message #25407
Hans-Otto Baral, 10-10-2013 17:14
Hans-Otto Baral
Re : ? Hysteropatella prostii on the Malus bark
Hi Alex

yes, very typical! And no problem as long as growing on Malus bark.

Zotto
Alex Akulov, 11-10-2013 11:52
Alex Akulov
Re : ? Hysteropatella prostii on the Malus bark
Thank you, Zotto