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12-06-2026 14:50

François Freléchoux François Freléchoux

Bonjour, Voici la brève description d'une Mollis

10-06-2026 21:16

François Freléchoux François Freléchoux

Bonsoir,Le dernier du jour, en attendant votre avi

11-06-2026 16:24

Ethan Crenson

Hi all, Recently, a friend found this Orbilia in

11-06-2026 19:01

William Slosse William Slosse

Hello all,In an attempt to make a culture of a sus

11-06-2026 19:03

Nicolas VAN VOOREN Nicolas VAN VOOREN

Chers membres d'Ascofrance,Le site sera placé en

10-06-2026 23:08

éric ROMERO éric ROMERO

Bonjour tous, Je vous propose un Mollisia trouvé

09-06-2026 18:32

Camille Mertens

Sur morceau de roseau immergé 0,5 - 0,7 mm de dia

10-06-2026 12:54

Steve Clements

Bonjour encore, Pouvez-vous m'aider, s'il vous pl

10-06-2026 21:07

François Freléchoux François Freléchoux

Toutes les tiges de gentianes jaunes de l'an passÃ

10-06-2026 13:41

François Freléchoux François Freléchoux

Bonjour à nouveau, Voici une trouvaille d'hier.

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Black ascomata the bark Prunus sp.
Mirek Gryc, 30-04-2021 19:59

Hello
Perithecium very small, barely visible without a magnifying glass.
ASCI - reaction to the iodine did not notice.
Spores - change the color to olive under the influence of iodine.
(15.8) 16.6 - 22.3 (22.5) × (6.3) 6.4 - 7.2 (7.5) µm
Q = (2.3) 2.4 - 3.3 (3.4); N = 12
Me = 19.2 × 6.8 µm; QE = 2.8
I have no idea.
Mirek
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Jac Gelderblom, 03-05-2021 17:19
Re : Black ascomata the bark Prunus sp.
Hello Mirk

It could be Sydowiella ambigua.

See attached pdf

greetings

Jac gelderblom
Mirek Gryc, 03-05-2021 19:43
Re : Black ascomata the bark Prunus sp.
Hi Jac.
I do not know if Ascomata is properly mature so I keep them alive. I will try to examine again for some time.
I do not know this species but worried me spores.
At Sydowiella ambigua, there is a visible stenosis at the septa. In my spores I did not notice it?
Thanks for the suggestions.
greetings
Mirek
Mirek Gryc, 10-05-2021 13:50
Re : Black ascomata the bark Prunus sp.
It seems to me that Ascomata is already mature and further breeding does not make sense. Spores have changed slightly but are still smooth.
Their Olive Colore leads me towards Amphisphaeria?
Also the characteristic Septa in the spores indicates this type.
With such features I came to two species:
Amphisphaeria Vibratilis - here all the features agree in addition to the dimensions of spores. Difference too big to recognize my find for this species, although I saw so marked on the internet, with such dimensions of spores.
Next species, whose dimensions of spores better fit, are Amphisphaeria Micheliae, which was also listed with Prunus.
In this species, however, there should be a blue reaction asci, which is not observed.

In this situation, unfortunately but I will not find solutions for this collection unless someone friendly help.
I think will remain: Amphisphaeria Sp.


Spores - new measurement


(18.8) 19 - 20.16 (20.2) × (7.5) 7.6 - 8 µm
Q = (2.5) 2.51 - 2.59 (2.6) ; N = 8
Me = 19.6 × 7.7 µm ; Qe = 2.5


 


greetings
Mirek

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