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13-01-2026 07:57

Danny Newman Danny Newman

cf. Bombardia on indet. decorticate woodAppalachia

11-01-2026 20:35

Josep Torres Josep Torres

Hello.A very tiny pyrenomycete sprouting sparsely

13-01-2026 10:13

Danny Newman Danny Newman

Cordieritidaceae sp. on indet. wood w/ Hypoxylon s

13-01-2026 07:28

Danny Newman Danny Newman

Chlorociboria glauca on indet. decorticate logThe

13-01-2026 07:14

Danny Newman Danny Newman

Neodasyscypha cerina on indet decorticate logThe S

13-01-2026 09:10

Danny Newman Danny Newman

Dasyscyphella chrysotexta on indet. decorticate ha

13-01-2026 08:43

Danny Newman Danny Newman

Tricladium varicosporioides on indet. decorticate

13-01-2026 08:49

Danny Newman Danny Newman

Coccomyces sp. on fallen Rhododendron leavesPretty

12-01-2026 22:02

Ethan Crenson

Hello all, I am hoping someone will have some ins

13-01-2026 07:51

Danny Newman Danny Newman

Atrocalyx sp. on indet. herbaceous stemAppalachian

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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