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21-04-2026 22:14

Margot en Geert Vullings

This cup fungus was found on April 10, 2026, on lo

22-04-2026 20:17

Marian Jagers Marian Jagers

Is anyone familiar with the Hyphomycetes genus Pse

22-04-2026 20:54

Enrique Rubio Enrique Rubio

Hi to everybody.This Pyrenopeziza grew in moist le

22-04-2026 19:12

Louis DENY

Bonjour forum.Trouvé à Belfort, est de la France

21-04-2026 21:00

Sylvie Le Goff

Bonjour à tousJe sollicite votre aide pour cet as

22-04-2026 01:06

Richard VALERI Richard VALERI

Bonjour à tous.Je vous présente cette Nectria s.

21-04-2026 13:36

Gernot Friebes

Hi,I am out of ideas for this one. I collected Sal

21-04-2026 13:19

Gernot Friebes

Hi,this Lophodermium on Typha has ascospores measu

21-04-2026 13:05

Gernot Friebes

Hi,this hyphomycete feels familiar but I was not a

20-04-2026 22:00

Malcolm  Greaves Malcolm Greaves

These pale yellow, hairy ascos were growing on cul

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Hymenoscyphus calyculus 121015 236
Miguel Ángel Ribes, 10-08-2016 21:31
Miguel Ãngel RibesGood night

This Hymenoscyphus was growing on small herbs of Rumex scutatus. I think it is a common species, but is the first time I see it.

Asci 8 spores, with croziers, euamyloid and with a slight cover in the apex,  (114,8) 116,3 - 123,6 (126,3) × (9,9) 10,2 - 12,4 (13,4) µm; N = 19; Me = 120,3 × 11,4 µm.

Spores more or less navicular with a pointed end and rounded the other one, but sometimes with a small "teeth". Sometimes covered with a partial gelatinous shell, mainly in the acute end, (15) 16,7 - 20,9 (22,9) × (4,5) 4,8 - 5,6 (6,4) µm; Q = (2,9) 3,2 - 4,1 (4,9); N = 101; Me = 18,7 × 5,2 µm ; Qe = 3,6.

Paraphysis plenty of refractive VBs.

Thank you for your help.

Miguel Á. Ribes
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Hans-Otto Baral, 10-08-2016 21:49
Hans-Otto Baral
Re : Hymenoscyphus calyculus 121015 236
No no, this is an interesting collection, nothing common. It has actually great similarities with H. calyculus, but I would never expect H. calyculus on herbaceous stems.

No idea about this sample, actually. H. calyculus I did not see since a very long time. It might be more frequent in the region of the Alps, but molecular research on it showed that populations with very different rDNA exist - the matter remained unsolved.

Zotto
Miguel Ángel Ribes, 10-08-2016 22:53
Miguel Ãngel Ribes
Re : Hymenoscyphus calyculus 121015 236
Que suerte tengo, si monto un circo me crecen los enanos., 2 de 2. I am sorry, I can't translate it to English. I have a third Hymenoscyphus to sent, perhaps tomorrow, I hope it will be a known species.

Thanks Zotto, another candidate to molecular studies.