Yes, this is a difficult case. A plurivorous species, though usually on pyrenomycetes. You find images in my folder "reynoutriae + Isaria" in the generic folder Calloriopsis, Helicogoniaceae, Phacidiales. isaria friesii is a name which is not confirmed since no type material was ever restudied - maybe none exists.

The ca. 20-25 µm long conidiophores should bear many small denticles on which the conidia are formed.

Which tree species did yours grow on? I would like to note the collection data for using in a future publication. The species is not at all rare but overlooked because it usually grows on exposed, attached branches.

Zotto

Thanks! In 2000 I did not know about this species, my first drawings were made on fresh samples from 2004 (on Sambucus ebulus) and 2005 (on Reynoutria). Surely I will not keep the name reynoutriae after it turned out to be so plurivorous.

When I met Brian Spooner in 2011 we noticed that we both know this species. The images with 5.III.2011 and  HB 9507 refer to his samples. He also drew my attention to the name Isaria friesii.

I put the original description by Montagne in my folder and also attach it here. This could well be the fungus in question, although Montagne then must have overlooked the septum in the conidia. As he gave no conidial size and drew a thin unbranched conidiophore, I am in doubt about this taxon.

Hi Zotto,
Thank you very much for the additional information and the copy of the protologue.
Unfortunate that this striking hyphomycete is so poorly known.
Eduard

A Danish specimen is on Cotoneaster: https://svampe.databasen.org/observations/446021
cheers
Thomas

I am quite sure it is the same. Yes, conidia must be 1-septate.

What is the substrate here? And what was the support plant in your collection?

the placement in IF is based on the generic type so a 'robot-placement' :-)

That's what I suspected. Does mycobank.org "follow" IF in its taxonomic "assessment"?

Yes, Mycobank usually follows IF or vice versa.

We have an unpublished sequence which is difficult to interpret, though clearly nbot Clavicipitalean. There is no doubt that the apothecia belong to this anamorph, both morpho- and genetically.

Since there is no sequence of a Helicogonium, we cannot say whether there is some relation. So muhc I can say that Gelatinipulvinella is genetically very far from our "Calloriopsis".  Gelatinopsis fungicola also exists with DNA and is probably also very distant.

I think we can be sure they all fall in the Leotiomycetidae, while Helotiales or Phacidiales or ... is unsure.

If I were sure about the identity of Isaria friesii I would be willing to start this issue for a publication. Wjo knows, perhaps material exists in UPS?

Thanks!

OK, thanks Eduard!

i found this on a Aldertree stem looks the same??
gr lou

Yes, this is very likely. Where and when did you collect it? Seems the apothecia are present here, did you have a look at the microscope?

thanks Hans i found this one in dec2018 but i found yesterday the same on the same place in Holland in a Park with many alders and oack 
i can this week look if i can find more and send it to you 
and yes i saw 2 differend form of this specie 
i have no microscoop
gr lou

Hmm, at the moment I do not work on this species, but in about a year I wish to do an article on it. How sure are you with Alnus, was it an attached twig? The exact date and locality would help me for my notes.
Zotto

Are you interested in the details about the Norwegian collection, too, Zotto?  No apothecia, though.

Yes, for sure, I did not remember.

OK, I'll get back to you once I have the details.