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14-01-2026 10:02

Hulda Caroline Holte

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Danny Newman Danny Newman

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Mollisia sp. with red IKI-reaction
Maren Kamke, 01-09-2014 07:43
Maren KamkeHi everybody,
I found this Mollisia species on Urtica dioica this weekend.
Apothecia up to 1,2 mm in diameter, subsessile, white. Ascospores 1-septate, already in the ascus. Oil 3-4, (11-15) 13,3 x 2,98 (2,8-3) µm. Asci 78-100x7-8, biseriate, IKI redbrown, without croziers, Paraphyses with rectangular refractive content, KOH negative. Hairs up to 40 µm, endcells with refractive content.
Thank you for your help
Regards Maren
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Uwe Lindemann, 01-09-2014 09:39
Uwe Lindemann
Re : Mollisia sp. with red IKI-reaction
For me it is a Calycina, maybe C. herbarum.
Best, Uwe
Hans-Otto Baral, 01-09-2014 09:39
Hans-Otto Baral
Re : Mollisia sp. with red IKI-reaction
Quite simple: Calycina herbarum :-)
Calycina has VBs very similar as Mollisia.But Mollisia has never these narrow isolated "hairs".
Maren Kamke, 01-09-2014 13:37
Maren Kamke
Re : Mollisia sp. with red IKI-reaction
Hallo Zotto, hallo Uwe,
vielen Dank, im falschen Gattungsschlüssel klappt die Bestimmung natürlich nicht ;).
LG Maren