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Mot de passe perdu? S'inscrire

16-09-2025 12:53

Philippe PELLICIER

Pézizes de 1-4 mm, brun grisâtres, sur les capsu

19-09-2025 23:55

Jorge Hernanz

Estoy buscando y no encuentro el siguiente artícu

18-09-2025 08:35

Edmond POINTE Edmond POINTE

Bonjour amis mycologues,Trouvé sur moquette de ch

19-09-2025 18:29

Castillo Joseba Castillo Joseba

De ayer  recolectadas en Kk de vacunoHabia ejempl

17-09-2025 19:43

Philippe PELLICIER

Sur branche morte de Mélèze. Les ascospores sphÃ

18-09-2025 19:40

Sylvie Le Goff

BonjourPensez vous que le genre Pulvinula puisse c

18-09-2025 16:14

Bernard Declercq Bernard Declercq

Hello,I am looking for a copy of following paper:H

17-09-2025 16:14

Philippe PELLICIER

Apothécies enterrées, fermées au début puis s'

17-09-2025 10:50

Heather Merrylees

Hi there!I am hoping for any advice on the identif

11-09-2025 16:57

Jason Karakehian Jason Karakehian

Our revision of Marthamycetales (Leotiomycetes) is

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unknown discomycete from Peru
Danny Newman, 26-09-2017 20:40
Danny Newman

Substrate: small twig >1 cm in diam.

Habitat: fog oasis amidst coastal desert

Ecoregion: Sechura Desert (NT1315)

Collectors: D. Newman & P. Kaishian

Collected during the Ascomycetes Pre-Congress Course of the 9th Congress on Latin American Mycology, hosted by Universidad Peruana Cayetano Heredia in Lima, Peru.

also uploaded at:

https://www.facebook.com/groups/ascomycetes/permalink/1892909654294563/

http://mushroomobserver.org/292342

NOTE: I cannot shrink my images down to 150KB to be uploaded here.  they may be viewed at either of the two above links.

Nicolas VAN VOOREN, 26-09-2017 20:44
Nicolas VAN VOOREN
Re : unknown discomycete from Peru
This looks like an Encoelioid discomycete.
Gilbert MOYNE, 26-09-2017 20:55
Re : unknown discomycete from Peru
Bonsoir,
Ca fait penser à Velutarina rufoolivacea..
Gilbert
Hans-Otto Baral, 26-09-2017 21:24
Hans-Otto Baral
Re : unknown discomycete from Peru
Hi Danny et al.

Indeed my idea was a Cenangiaceae, and Gilbert may be close to the truth. 

Do you have photos in water also? This would be very important because Velutarina, as many Cenangiaceae, have a refractive vacuole in the paraphyses. Velutarina survives in the herbarium for several weeks, so you might still be able to verify this.

Did you test iodine for the asci?

What I miss are the large scattered green excipular cells typical of Velutarina.

Zotto
Danny Newman, 26-09-2017 21:52
Danny Newman
Re : unknown discomycete from Peru
Hello all,

Thank you for the comments.  Unfortunately, this was only mounted in 10% KOH, and I am unaware whether or not it was deposited in Peru, or dried and sent elsewhere.  I can ask the faculty from the course, but I do not have high hopes :(

I don't suppose the warted spores are diagnostic in any way, are they?

-Danny
Hans-Otto Baral, 26-09-2017 22:06
Hans-Otto Baral
Re : unknown discomycete from Peru
This is a great pity, such splendid photos and no possibility to check important characters. One such character of V. rufoolivacea would be the simple-septate ascus base.

V. rufoolivacea ejects hyaline spores which later get brown and warted, though not so coarsly.
But the maturity of the spores is impossible to clarify in a KOH mount.
Danny Newman, 27-09-2017 01:59
Danny Newman
Re : unknown discomycete from Peru
I have written the faculty to see if they know the whereabouts of the material.  Fingers crossed!