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02-05-2024 20:04

Hypoxylon fuscum
éric ROMERO éric ROMERO

Bonjour, Une question à propos de la réaction a

30-04-2024 16:22

Could this be Ciborinia pseudobifrons?
François Bartholomeeusen

Dear forum members,On April 25 2024, I found one f

01-05-2024 23:22

long-necked anamorph embedded in wood
Ethan Crenson

Hi all, Found late last week in a New York City p

29-04-2024 21:32

Yellowish asco on Pteridium aquilinum
Robin Isaksson Robin Isaksson

Hi! Found in Sweden. Ascomata with haris, se

01-05-2024 12:54

Pyreno sobre filipendula
F. JAVIER BALDA JAUREGUI

Hello, everyone.An idea for this pyreno, I found u

30-04-2024 16:59

Peziza vesiculosa
Sylvie Le Goff

Bonjour. Petite pézize récoltée au sol en bordu

30-04-2024 19:43

Hyphomycete on Calypogeia suecica
Gernot Friebes

Hi!We observed this hyphomycete growing between le

30-04-2024 16:08

asco aquatique
maurice pelissier maurice pelissier

BonjourTrouvé dans un torrent de montagne au Chir

29-04-2024 21:51

Anamorph with very large dark round conidia found on Cedrus
Mathias Hass Mathias Hass

Hi everyone, Found on attached branches of top pa

28-04-2024 18:05

Pseudoophiobolus (?) sur Teucrium botrys
Bernard CLESSE Bernard CLESSE

Bonsoir à toutes et tous,J'ai trouvé ce matin ce

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Melomastia mastoidea - 20140517
Lepista Zacarias, 20-05-2014 13:23
Dear all,
I need your help to try to identify what pyrenomycete I found on the branch of a bush. Asci have approximate dimensions of 130 x 7 microns and for the spores obtained the following values ??(using Piximètre):
(14.2) 14.3 - 17.6 (17.7) x 5.1 - 6.35 (6.4) um
Thanks in advance,
zaca
  • message #29379
  • message #29379
Jacques Fournier, 20-05-2014 14:26
Jacques Fournier
Re : Pyreno-20140517
Two septate ascospores in cylindric asci remind Melomastia mastoidea (Fr.) J. Schröt. Other characters that are not reported should be checked in Barr Mycotaxon 51 pp 214-215 (1994)
Cheers,
Jacques
Lepista Zacarias, 20-05-2014 15:31
Re : Pyreno-20140517
My thanks, Jacques, for the prompt and accurate response.
I have seen the article you mentioned and all the characters seem to match the species proposed: Melomastia mastoidea. Then search for images on the internet and found pages of distinguished participants at this forum, of which leave their addresses:
http://www.ascofrance.com/recolte/3446/sordariomycetes-xylariales-position-incertaine-melomastia-mastoidea
http://ascofrance.com/recolte/738/dothideomycetes-pleosporales-pleosporaceae-melomastia-mastoidea
http://www.asturnatura.com/fotografia/setas-hongos/melomastia-mastoidea-fr-j-schrot-2/6702.html
Greetings to all,
zaca