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15-06-2024 13:51

Thomas Flammer

Just downloaded the english Key for Tarzetta. I h

12-06-2024 22:08

Stip Helleman Stip Helleman

Dear all, a week ago this cushen formed species w

12-06-2024 07:41

Juuso Äikäs

Yesterday I found some white Mollisias growing on

08-06-2024 14:44

Louis DENY

Sur sphagnum sp dans la tourbière des Pîles à S

09-06-2024 19:34

Spooren Marco Spooren Marco

Hello, Does someone has a PDF of Von Arx"article

15-07-2012 10:31

Edit Szilvásy Edit Szilvásy

Dear Forum, Yesterday I found a small blue-green

05-06-2024 21:57

éric ROMERO éric ROMERO

Bonjour, Toute piste sera la bienvenue... ApothÃ

04-06-2024 21:26

Thierry Blondelle Thierry Blondelle

Bonjour,Je vous soumets cette récolte sur faîne

08-02-2018 06:17

Ethan Crenson

In New York City on unknown decorticated hardwood.

23-11-2023 09:46

Lothar Krieglsteiner Lothar Krieglsteiner

.. found 19.11.23 in the Schwäbische Alb, Germany

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Mollisia cf rivularis
Viktorie Halasu, 22-06-2017 18:45
Viktorie HalasuHello, 
there's another Mollisia from the same stream, close to M. rivularis, but without LBs. 

On water-soaked wood in a brook between spruce and beech forests, 620 m a.s.l. Apothecia cca 2 mm in diam., solitary or in groups. 
Spores sometimes heteropolar, OCI=0.
Asci IKI+ bb, croziers+
Marginal cells short, brownish. 
Medullary exc. = t. intricata, running mostly parallel to the surface, hyaline, no crystals.
Ectal exc. = t. angularis turned 90° to the surface, brown cell walls.
KOH negative
I couldn't get a good look on the paraphyses, I just assume that there are those long VBs. 

Should I name it "cf rivularis", or is there a better name for this collection? 
Thank you for any advice.
Viktorie
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Hans-Otto Baral, 22-06-2017 20:28
Hans-Otto Baral
Re : Mollisia cf rivularis
I do not know well M. rivularis but the fungus by Joaquin seems to be similar.
Viktorie Halasu, 22-06-2017 21:34
Viktorie Halasu
Re : Mollisia cf rivularis
Andreas wrote somewhere here that rivularis should have OCI=1. Also Piotr Perz's collection in the database here has some small LBs. Also the spores of my collection are longer, there's only * 9-12(13) um in the key. 
Andreas wrote here that there are some intermediate collections between rivularis and uda/pulviniformis, so I wasn't sure if this is not one of them too.
Hans-Otto Baral, 22-06-2017 22:17
Hans-Otto Baral
Re : Mollisia cf rivularis
In any case interesting. I fear with Mollisia one has to do molecular work together with detailed morphology.