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18-07-2025 23:03

Josep Torres Josep Torres

Hello.Fruitings between 51 and 130 microns in tota

17-07-2025 11:55

Castillo Joseba Castillo Joseba

De ayer en bosque de hayas y abetos, en tieraEjemp

16-07-2025 17:34

Bernard Declercq Bernard Declercq

Hello,I have trouble distinguishing above mention

14-07-2025 11:20

Michel Hairaud Michel Hairaud

Bonjour, Voici une espèce de  (?) Hyaloscyphace

15-07-2025 13:27

Angel Pintos Angel Pintos

Hello, does anyone have access to the following ar

16-01-2023 21:31

Riet van Oosten Riet van Oosten

Hello, Nearby the find of Calycina claroflava on

14-07-2025 17:55

Yanick BOULANGER

BonjourAutre dossier laissé en suspendJe viens de

14-07-2025 11:17

Yanick BOULANGER

BonjourJ'ai un dossier Jackrogersella qui est rest

14-07-2025 15:52

Gernot Friebes

Hi,I wanted to share this collection on Rubus idae

14-07-2025 13:37

Gernot Friebes

Hi,do you think this collection could be R. ulmari

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Stictis
Bometon Javier, 16-12-2013 21:16
Bometon JavierEn madera de Quercus.

Tamaño 0,5 mm

Ascas 50-60 um IKI-

Esporas de 35-48 X 4-5um, con 7- 9 septos

Parafisis filiformes y ramificadas, no azulean con IKi

Alguna idea?

Gracias y saludos
Javier
  • message #26275
  • message #26275
  • message #26275
  • message #26275
Daniel Ghyselinck, 16-12-2013 21:32
Re : Stictis
Bonjour Javier,

Regarde du côté de Cryptodiscus rhopaloides, il me semble que la microscopie correspond assez bien. C'est une espèce assez commune sur écorce de feuillus. Les spores sont un peu grandes, mais j'ai aussi des récoltes avec des spores jusque 47 µm.

Amitiés,
Daniel
Martin Bemmann, 16-12-2013 21:35
Martin Bemmann
Re : Stictis
Hi Javier,

with these clavate spores (fig. 3) consider Cryptodiscus.

Regards
Martin

Update: Daniel seems to have the same thoughts. But I must admit that Zotto (in a circulating paper) excluded Cryptodiscus rhopaloides from this genus in his comments on Breitenbach&Kränzlin 1984, as well Baloch et al 2009 did.
Bometon Javier, 16-12-2013 22:41
Bometon Javier
Re : Stictis
Muchsas gracias, Daniel y Martin


Saludos
Javier
Hans-Otto Baral, 16-12-2013 23:04
Hans-Otto Baral
Re : Stictis
Yes, there are two species rather common, rhopaloides and the less common idaei which has narrower spores than rhopaloides. Both are very closely related, and belong in Karstenia. By the way, Lugol provokes a red reaction to the entire hymenium, with a faint blue running ahead. After KOH treatment the hymenium stains deep blue in iodine.

My maximum was actually 50 µm, but with spores strongly clavate and hardly constricted at septa.

C. rhopaloides is also known as Ramonia interjecta, being probably erroneously thought to be a lichen.

Zotto
  • message #26279
Daniel Ghyselinck, 17-12-2013 18:23
Re : Stictis
Thanks for these very precise information (as usual), Zotto.

Daniel
Bometon Javier, 17-12-2013 21:54
Bometon Javier
Re : Stictis
Muchas Gracias Zotto, por tus excelentes explicaciones.

Saludos
Javier