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31-08-2025 17:32

Michel Hairaud Michel Hairaud

Bonjour, Pas d'identité trouvée pour cette réc

31-08-2025 19:41

Enrique Rubio Enrique Rubio

Hi to someone.I need to download this issue of Sve

31-08-2025 14:34

Thomas Flammer

I have found a Rutstroemia on abt. 2000 m on Alnus

29-08-2025 19:04

Thomas Flammer

Spores 21.2 - 26.2 x 8.3 - 11.3 µm - Q: 2.20 - 2.

30-08-2025 18:29

Joaquin Martin

Hi,I found this undetermined ascomycete on broadle

28-08-2025 17:24

Thomas Flammer

I know, that this is not the real topic of this fo

29-08-2025 05:16

Francois Guay Francois Guay

I think I may have found the teleomorph of Dendros

24-08-2025 21:59

Edmond POINTE Edmond POINTE

Bonsoir amis mycologues,Trouvé sur crottin de che

27-08-2025 12:02

Pavol Palo

Hello dear friendsI would like to ask for sharing

25-08-2025 17:37

François Freléchoux François Freléchoux

Bonjour,Nous avons trouvé samedi dernier à l'ét

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White Calycina on Pterospartum
Enrique Rubio, 30-09-2019 20:09
Enrique RubioGrowing on a thiny branch of Pterospartum tridentatum (Genista tridentata). Minute white turbinate apothecia 125-375 microns in diam. with fineley downy margins. Hymenium reddening with the age. Asci arising from croziers, apical pore of the Calycina-type, IKI bb. Excipulum of a dense textura oblita with longitudinaly oriented narrow hyphae with obtuse end cells plenty of refractive VBs.
Do you have some idea?
Thanks again.
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  • message #59444
  • message #59444
Hans-Otto Baral, 30-09-2019 22:52
Hans-Otto Baral
Re : White Calycina on Pterospartum
Looks a bit like C. populina, but I am not sure.
Zotto
Enrique Rubio, 01-10-2019 00:40
Enrique Rubio
Re : White Calycina on Pterospartum
Hi Zotto
The morphological characters are quite similar, and in fact I had thought of this possibility. But I was distanced from it by the fact of growing in lignified substrate and not in leaves. However, I have a possible collection of Calycina populina on Fagus cupules.
Thank you again
Hans-Otto Baral, 01-10-2019 07:43
Hans-Otto Baral
Re : White Calycina on Pterospartum
I was thinking that Pterospartum with its small size and winng-like stems is a bit leaf-like. And indeed in my home forest occurred the leaf-inhabiting H. caudatus and H. syringaecolor on Fagus cupules.
Enrique Rubio, 01-10-2019 08:36
Enrique Rubio
Re : White Calycina on Pterospartum
Yes, it is possible that you are right, although in this case the fruitbodys were born in lignified zones and not in the peculiar modified stems of the plant.