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20-12-2025 23:08

Patrice TANCHAUD

Bonsoir, récolte sur sol sablonneux dans l'arri

21-12-2025 09:32

Josep Torres Josep Torres

Hello.A tiny ascomycete found embedded in wood in

21-12-2025 01:54

David Chapados David Chapados

Hi,Would it be possible to find the species with t

20-12-2025 15:47

Mirek Gryc

Hi.These grew on pine wood that was heavily covere

20-12-2025 10:49

Mirek Gryc

Hi. „I doubt it is possible to identify this ti

18-12-2025 21:17

Pol Debaenst

The identification took me to Byssonectria deformi

15-12-2025 07:09

Danny Newman Danny Newman

indet. Rutstroemiaceae sp. on unk. fallen leavesMc

19-12-2025 10:10

Patrice TANCHAUD

Bonjour, récolte réalisée en milieu dunaire, a

18-12-2025 17:23

Bruno Coué Bruno Coué

Bonjour,je serais heureux d'avoir votre avis sur c

18-12-2025 18:07

Margot en Geert Vullings

These plumes were found on rotten wood.They strong

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Lachnum on Echinospartum 150814
Miguel Ángel Ribes, 25-02-2015 23:47
Miguel Ãngel RibesHi

This small, 1-1,2 mm, with yellow hymenium and white and long hairs was growing on Echinospartum horridum. I don't find any similar in Lachnum / Lachnellula.

Asci 8-spores, croziers +, with IKI some apex dirty-red and another blue, (76.3) 79.1 - 90.0 (91.7) x (7.3) 8.1 - 9.6 (10.5) µm; N = 18; Me = 84.5 x 8.8 µm.
Spores cylindrical, heteropolar, with only few small LB and 1-2 septate in few spores very mature, (14.0) 15.7 - 22.1 (25.0) x (2.3) 2.5 - 3.0 (3.2) µm; Q = (4.8) 5.9 - 8.0 (9.1); N = 83; Me = 19.0 x 2.8 µm ; Qe = 6.9.
Paraphysis straight, septate, lanceolated and plenty of small VB.
Hairs straight, sepate, conical, wtith crystals along 3/4, not at apex, apex rounded, more than (146.0) 150.8 - 198.3 (211.6) x (2.8) 3.2 - 4.7 (5.2) µm; N = 26; Me = 173.7 x 4.0 µm.
Ectal excipulum with textura prismatica.
Medullar excipulum with textura intricata.

Thank you.
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Stip Helleman, 26-02-2015 07:21
Stip Helleman
Re : Lachnum on Echinospartum 150814
Dear Miguel,
to me it looks like a Dasyscyphella with apical bald hairs and such diversity in spores but I can't put a name to it. Perhaps the species should also be sought among Albotricha because of the pointed hairs.
Perhaps Zotto has an idea about the species.
cheers,
Stip
Hans-Otto Baral, 26-02-2015 09:22
Hans-Otto Baral
Re : Lachnum on Echinospartum 150814
Hi Miguel & Stip

Miguel, you once collected something on a monocot (??Festuca) which seems very close. We put the name A. caduca on it (I have it in my Dasyscyphella folder but it should be related to Albotricha acutipila). Spores are there a bit narrower (2-2.5) and asci pure blue.

Zotto
Miguel Ángel Ribes, 26-02-2015 13:14
Miguel Ãngel Ribes
Re : Lachnum on Echinospartum 150814
Thanks Stip and Zotto

Zotto, you have more control over my collections than myself, jejeje. Of course, this collection is very close to A. caduca in 2010.

Now, with this new collection and your key of Dasyscyphella I get cleary to D. caduca.

This collection has paraphysis width of (2.5) 2.7 - 4.0 (4.6) µm; Me = 3.2 µm, and longer than asci of (8.9) 12.3 - 20.7 (23.2) µm; Me = 16.6 µm.


But we have the problem of IKI reaction of asci and more yellow hymenium colour, so I guess we can not identify it definitively like Albotricha caduca.


Thank you.

Hans-Otto Baral, 26-02-2015 17:30
Hans-Otto Baral
Re : Lachnum on Echinospartum 150814
ye,s this needs further observations.
Miguel Ángel Ribes, 26-02-2015 17:37
Miguel Ãngel Ribes
Re : Lachnum on Echinospartum 150814
Ok, thanks one more time.

Cheers.