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23-04-2026 06:46

François Freléchoux François Freléchoux

Bonjour, Voici la description d'un minuscule asco

21-04-2026 22:14

Margot en Geert Vullings

This cup fungus was found on April 10, 2026, on lo

22-04-2026 20:17

Marian Jagers Marian Jagers

Is anyone familiar with the Hyphomycetes genus Pse

22-04-2026 20:54

Enrique Rubio Enrique Rubio

Hi to everybody.This Pyrenopeziza grew in moist le

22-04-2026 19:12

Louis DENY

Bonjour forum.Trouvé à Belfort, est de la France

21-04-2026 21:00

Sylvie Le Goff

Bonjour à tousJe sollicite votre aide pour cet as

22-04-2026 01:06

Richard VALERI Richard VALERI

Bonjour à tous.Je vous présente cette Nectria s.

21-04-2026 13:36

Gernot Friebes

Hi,I am out of ideas for this one. I collected Sal

21-04-2026 13:19

Gernot Friebes

Hi,this Lophodermium on Typha has ascospores measu

21-04-2026 13:05

Gernot Friebes

Hi,this hyphomycete feels familiar but I was not a

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Ramsbottomia asperior possibilty
Hardware Tony, 28-05-2020 11:45
Hardware TonyFound this hairless orange operculate fungi largest around 2mm on damp soil near a river close to Salix. The spores obviously led me to this species but a few contentious sps had to be checked. I tried to check the spines off the spores and the majority were less than 2µm, few slightly larger. The spores within the asci suggested slighly subglobose shaping rather than spherical so came to the conclusion that this probably was R. asperior. First for Cornwall where I survey, with just two other in SW England. If anything esle would be even rarer.

With thanks for your opinion based on the images I can provided here.
Tony Hardware  (Brought Peter Thompson's book last week - that got me on the road to this species)
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Peter Thompson, 28-05-2020 20:46
Re : Ramsbottomia asperior possibilty
Hello Tony,

Yes, I believe that you are right. Ramsbottomia asperior has the shorter spines on its fully mature spores, as you illustrate in your 1st image.

The orange, granular pigment in the paraphyses shows on your 4th image - again correct for this species.

It grows on bare soil in wet places such as banks of rivers, so the environment is spot on too.

If you have a copy of my book, I published 178 additional species pages along with host index tables which are available free of charge, if wanted. 

With Best Wishes,
Peter.




Hardware Tony, 28-05-2020 23:04
Hardware Tony
Re : Ramsbottomia asperior possibilty
Thanks Peter for your confirmation. I would dearly love to obtain the extended pages, please advise how I should go about this.
Thanks  Tony
Peter Thompson, 29-05-2020 17:19
Re : Ramsbottomia asperior possibilty
Hello Tony,

Please see an email which I just sent to you.

With Best Wishes,
Peter.
Nicolas VAN VOOREN, 29-05-2020 19:07
Nicolas VAN VOOREN
Re : Ramsbottomia asperior possibilty
It would be interesting to genetically compare your collection with the collections made in Alpine zone (at high elevation). Can you send to me a part of the collection?
Nicolas
Hardware Tony, 29-05-2020 19:20
Hardware Tony
Re : Ramsbottomia asperior possibilty
Hi Nicolas,

I only have a few specimens which I was keeping for a new DNA project at Kew, however is one enough?  Happy to if OK. Can go offline to my email for your address etc if you wish.  Regards Tony Hardware