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28-04-2026 20:07

Lothar Krieglsteiner Lothar Krieglsteiner

... on twig in the air at standing Ceratonia siliq

14-04-2026 05:32

Ethan Crenson

Hi all, A few weeks back a friend pointed out som

28-04-2026 20:33

Vitus Schäfftlein

Hello, I found Trochila ilicina on Ilex aquifoliu

30-04-2026 10:43

Castillo Joseba Castillo Joseba

Me mandan el material seco de Galicia, España, 

30-04-2026 10:28

Rot Bojan

Hello, by appearance I would say that I am dealing

27-04-2026 18:48

Tony Moverley

Collected 23rd April 2026, Norfolk, EnglandSwarms

27-04-2026 20:52

Lothar Krieglsteiner Lothar Krieglsteiner

Found on hanging tiwg of Olea europaea in dried-ou

28-04-2026 22:51

Bernard CLESSE Bernard CLESSE

Bonsoir à toutes et tous,Pourriez-vous m'aider à

29-04-2026 08:01

Lothar Krieglsteiner Lothar Krieglsteiner

... on twig attached to small tree of Citrus auran

29-04-2026 10:44

Lothar Krieglsteiner Lothar Krieglsteiner

growing at moist, drying-out soil at the side of a

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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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