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07-06-2025 15:39

Anamorph with muriform conidia on Betula seeds
Edvin Johannesen Edvin Johannesen

A friend sent me a few Betula seeds with tiny blac

08-06-2025 18:03

Autour de Chlorociboria ?
éric ROMERO éric ROMERO

Bonjour à tous, Une récolte alpestre discrète

08-06-2025 14:55

Black ascomata (apothecia?) on Salix in alpine habitat
Edvin Johannesen Edvin Johannesen

Ascomata only ca. 1 mm, erumpent on very thin Sali

06-06-2025 12:12

S. capillipes
Hans-Otto Baral Hans-Otto Baral

Dear all I want to ask you if you have any recent

04-06-2025 15:10

Hairy disco on ?Aegopodium
Stefan Jakobsson

Hi forum, On a herbaceous stem, possibly Aegopodi

03-06-2025 20:52

±hyaline, dictyosporous
Stefan Blaser

Hello everybody, I didn't get anywhere with this

04-06-2025 14:02

Spiky Asco
Matthew Rozanoff

Good morning,I was wondering if anyone recognizes

01-06-2025 09:37

Octospora
Charles Aron Charles Aron

Hi All, I found this Octospora growing with liver

30-05-2025 10:20

Velutarina
Elisabeth Stöckli

Bonjour, Sur branches mortes de Salix en place (m

20-05-2025 22:15

Asco at the base of decaying fern
Francois Guay Francois Guay

I found this ascomycete at the base of a dead fern

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Hypoxylon rectangulosporum (?) from Panama
Esquivel-Rios Eduardo, 05-10-2012 21:23
Hi All.

I found this Hypoxylon in a dead trunk, all the characteristics match wilt H. rectangulosporum but not the stroma coloration, in the original description is orange-yellow, and this is black. Ascospores size 7.0 - 10.0 x 5.0 - 6.0 microns.  Tanks for help.
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FELIPE SAN MARTÍN, 06-10-2012 03:26
FELIPE SAN MARTÃN
Re : Hypoxylon rectangulosporum (?) from Panama
Estimado amigo: ya viste si el anillo apical del asca es amiloide? Saludos.
Esquivel-Rios Eduardo, 06-10-2012 03:35
Re : Hypoxylon rectangulosporum (?) from Panama

Si, el anillo apical del asca es discoide, se tiñe con iodo.

FELIPE SAN MARTÍN, 06-10-2012 18:22
FELIPE SAN MARTÃN
Re : Hypoxylon rectangulosporum (?) from Panama
Entonces probablemente es H. rectangulosporum. Sin embargo, creo conveniente le escribas a Ju Ming Yu para confirmar. Su dirección de correo electrónico es:  yumingju@gate.sinica.edu.tw">yumingju@gate.sinica.edu.tw.
Lo saludas de mi parte.
Saludos!
FELIPE SAN MARTÍN, 07-10-2012 21:16
FELIPE SAN MARTÃN
Re : Hypoxylon rectangulosporum (?) from Panama
AMIGO: VISTE SI TIENE GRÁNULOS DE COLOR AMARILLO INMEDIATAMENTE ABAJO DEL ECTOSTROMA? SALUDOS.