Accès membres

Mot de passe perdu? S'inscrire

02-05-2026 12:42

Alain BRISSARD

Bonjour à tousJeuidi 30 avril dernier on m'a remi

02-05-2026 13:06

Pauline. Penna

Bonjour  Please can someone help me with this id

01-05-2026 22:45

Thierry Blondelle Thierry Blondelle

Bonjour à tous, Une récolte sur bouse séchée d

28-04-2026 20:07

Lothar Krieglsteiner Lothar Krieglsteiner

... on twig in the air at standing Ceratonia siliq

14-04-2026 05:32

Ethan Crenson

Hi all, A few weeks back a friend pointed out som

28-04-2026 20:33

Vitus Schäfftlein

Hello, I found Trochila ilicina on Ilex aquifoliu

30-04-2026 10:43

Castillo Joseba Castillo Joseba

Me mandan el material seco de Galicia, España, 

30-04-2026 10:28

Rot Bojan

Hello, by appearance I would say that I am dealing

27-04-2026 18:48

Tony Moverley

Collected 23rd April 2026, Norfolk, EnglandSwarms

27-04-2026 20:52

Lothar Krieglsteiner Lothar Krieglsteiner

Found on hanging tiwg of Olea europaea in dried-ou

« < 1 2 3 4 5 > »
Hymenoscyphus-like species
Nicolas VAN VOOREN, 25-08-2011 15:57
Nicolas VAN VOORENBonjour / Hello.
Voici un Helotiale qui me pose problème. Espèce récoltée parmi des mousses et des hépatiques, au bord d'un ruisseau, mais non greffée aux mousses, plutôt aux petits débris (aiguilles d'épicéa, feuille morte de Vaccinium...)
Apothécies Ø 2-4 mm
Excipulum ectal de textura primastica. Asques 95-105 x 8-10 µm, sans crochet (difficile d'être affirmatif à 100%), à 8 sp. bisériées (pars spor. 40-50 µm), à anneau apical IKI+ (bb), type Hymenoscyphus. Paraphyses sans vacuole, à sommet parfois difforme. Spores ciborioïdes, 12,2-15 (19) x 4-5,5 (6) µm, parfois avec 1 cloison (y compris dans l'asque), avec de rares guttules (1-4).

Une idée ?

====
English description
Ectal excipulum of textura primastica. Asci 95-105 x 8-10 µm, without crozier (not sure at 100%), with 8 biseriate spores (pars spor. 40-50 µm), apical ring IKI+ (bb), Hymenoscyphus type. Paraphyses without VBs, with some twisted apex. Spores ciborioid, 12.2-15 (19) x 4-5.5 (6) µm, sometimes 2-celled (including in ascus), with rare LBs (1-4).
  • message #16157
Hans-Otto Baral, 25-08-2011 18:35
Hans-Otto Baral
Re : Hymenoscyphus-like species
Did you compare my Hymenoscyphus pezoloma = Pezoloma herbicola nom. prov.?

Needs to have croziers and is more white, but otherwise quite similar. Also quite unspecific to the substrate.

Zotto
Nicolas VAN VOOREN, 25-08-2011 19:28
Nicolas VAN VOOREN
Re : Hymenoscyphus-like species
Indeed, it seems that your H. pezoloma is close to this species. My apos were all yellow and stipitate, and the content of the spores seems to be a bit different...
In my previous description, I ommited to mention that the cells of excipulum do not react in Lugol reagent.
Hans-Otto Baral, 25-08-2011 21:07
Hans-Otto Baral
Re : Hymenoscyphus-like species
Did you tgry with Congo red to be sue about the croziers? If the fungus is still fresh and in bon etat, a section should give a clear result.

The apical ring is a bit too narrow for this Pezoloma species. Looks more like a true Hymenoscyphus. But without VBs is strange.

Zotto
Nicolas VAN VOOREN, 25-08-2011 21:40
Nicolas VAN VOOREN
Re : Hymenoscyphus-like species
I will check again for the croziers.
Nicolas VAN VOOREN, 27-08-2011 17:42
Nicolas VAN VOOREN
Re : Hymenoscyphus-like species
I confirm that asci do not have any crozier (see pictures)
  • message #16203
  • message #16203