I thought an octospora.. - Forum ASCOFrance

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I thought an octospora..

carl van den broeck, 18-11-2020 22:35

But I don't have a good match! Koksijde (Belgium) - Fixed coastal dunes with herbaceousvegetation ("grey dunes")
Orange apothecia on sand, or rhizoids of Bruym sp.(possibly Syntrichia), or on dead grass blade .. 0.5 to 1 mm.
No membranous edge, no edge hairs.
Asci 8-spored, spores uni- or biseriate
Ascospores: ellipsoid 19 -21 x 11-12.5 µm, Q gem 1.7 - 1.8, ornamentation consisting of isolated warts (0.3 mu high), no oil droplets.
Textura globulosa / angularis
Paraphyses slightly thickened at the top.
Does anyone have an idea?

Gilbert MOYNE, 18-11-2020 23:33

Re : I thought an octospora..

Bonsoir,

Comment les asques réagissent-ils avec Melzer ou IKI ?

Gilbert

Zuzana Sochorová (Egertová), 19-11-2020 07:39

Re : I thought an octospora..

Hello,
Compare with Iodophanus testaceus.
Zuzana

Gilbert MOYNE, 19-11-2020 11:44

Re : I thought an octospora..

C'est aussi mon impression

gilbert

carl van den broeck, 20-11-2020 20:22

Re : I thought an octospora..

Thank you all, with the help of all of you and Belgian mycologists I have a result. Iodophanus testaceus! The ascus walls color with Melzer blue which indicates Iodophanus, the spore size and ornamentation and the growing place (not on manure) lead me to testaceus.

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