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11-01-2021 20:41

Maria Plekkenpol

Hello, first of all I wish everyone a healthy and

11-01-2021 22:51

Dirk Baert

Dag allen,Deze gevonden op de schors van een leven

11-01-2021 23:02

Unai Fernandes

Hi! Good night! I collected this Patellaria in de

12-01-2021 13:14

Simon Kennedy

I would be grateful if anyone could let me have a

11-01-2021 20:20

Andgelo Mombert Andgelo Mombert

Bonsoir, Sur branche morte cortiquée d'Acer opal

11-01-2021 17:34

Robin Isaksson Robin Isaksson

Hi,Found this one on Hypnum cupressiforme i think,

08-01-2021 13:36

Juuso Äikäs

I'm thinking about purchasing the authors' works M

11-01-2021 16:13

David Malloch David Malloch

Hello all,I am trying, without success so far, to

11-01-2021 06:53

François Bartholomeeusen

Dear forum members,On December 16, 2020, a friend

10-01-2021 09:51

Josep Torres Josep Torres

Hola.Un anamorfo fotografiado el 1 de Enero brotan

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Rutstroemia ... maritima?
Maria Plekkenpol, 11-01-2021 20:41
Hello, first of all I wish everyone a healthy and peaceful 2021!
Someone on the FB group of Dutch mycology found these Rutstroemia (Lenneke Roozen). She lives on one of our islands and the substrate is Ammophila arenaria.
Spores av 14-17 x 5-7, filled with little droplets, some younger spores (?) with two droplets. Paraphyses filled, septated and with hardly broadened apex.
Asci 140-150 x 9,5-12.5, J+. Clear croziers?? (I read former topics, so I am not sure???)
Amyloid (see photo of "blue" spore)?
But reading the former topics (and finding hardly any further information about R. maritima) I don't know if it is possible to be sure ..... ???
Greetings, Maria
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Hans-Otto Baral, 11-01-2021 21:52
Hans-Otto Baral
Re : Rutstroemia ... maritima?
Clear croziers! Despite the substrates I am reluctant with R. maritima. It will be difficult to find a morphological character to separate this from R. calopus. But you are right, my maritima folder contains both IKI- and IKI+. I fear this matter is far from being solved.
Maria Plekkenpol, 12-01-2021 18:38
Re : Rutstroemia ... maritima?
Hello Zotto,
Thank you for your fast reply! I already feared this hahaha. But: maybe there will be some discovery in the future, whatever the outcome will be.
One last question: R. maritima can not be said, but is it correct to say that it's either R. maritima or R. calopus? Or are there even more candidates?
Thank you, Maria
Hans-Otto Baral, 12-01-2021 20:11
Hans-Otto Baral
Re : Rutstroemia ... maritima?
There can be more. This is a difficult complex, with various names, some of them only known from DNA isolates because these species are parasites of grasses. The old names need to be epitypified which needs a thorough study.

I must correct myself, Dennis (1964: 52) reported for authentic material of R. maritima an amyloid ascus apex, though with a moderate apical thickening.

The clade Clarireedia is the home of these parasites, so some use that name instead of Rutstroemia.
Maria Plekkenpol, 12-01-2021 20:47
Re : Rutstroemia ... maritima?
Rutstroemia sp it is for now :)! 
Better to know that sometimes things are not sure yet, then naming something without a solid base. That's how I see it anyway. 
Thank you Zotto!