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Mot de passe perdu? S'inscrire

30-07-2025 20:52

apo on Pteridium aquilinum
Bohan Jia

Hi together,  I've been looking posts in AscoFra

30-07-2025 18:06

Orbilia dryadeum?
Stefan Jakobsson

On a decorticated twig of Alnus incana on moist so

30-07-2025 10:12

Asco1 sur crotte de mouton
Bernard CLESSE Bernard CLESSE

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

29-07-2025 18:59

Ayuda con esta
Castillo Joseba Castillo Joseba

Me mandan el  material seco de Galicia, España,

28-07-2025 12:34

Capronia
Enrique Rubio Enrique Rubio

Hi to everybody.I would appreciate any ideas about

28-07-2025 04:59

identification?
Richard Droker

Growing on resin (over moss on Tsuga heterophyll)l

13-06-2025 09:41

Aquatic ascomycete.
Josep Torres Josep Torres

Hello.A cerebriform ascomycete sprouting scattered

13-06-2025 16:34

Strossmayeria-like on Fagus
Andgelo Mombert Andgelo Mombert

Bonjour,Un petit discomycète qui me résiste. Il

24-07-2025 19:02

Discomiceto 2510
Castillo Joseba Castillo Joseba

De esta mañana en tronco caido de Haya A ver si

21-07-2025 19:22

Orbilia nemaspora ...or aurantiorubra?
Ethan Crenson

Hello all,  Here is an Orbilia found by a friend

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Pilobolus umbonatus
Joop van der Lee, 03-12-2020 11:40
Joop van der Lee
Found on cow dung scattered between P. kleinii species

I noticed it because of its small size and the fact that it has an umbo on top of the sporangium.

The fruitbody is hyaline in contrast to the one from P. kleinii which has an orange colour. (Photo 4 & 5)

Spore size 5.5-6.3x3.6-3.9 um

Joop



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Norbert Heine, 03-12-2020 16:28
Norbert Heine
Re : Pilobolus umbonatus??
Hello Joop,

I have no doubts about this species.

Compare also with the wonderful portrait from my friend Matthias at Pilzforum.eu.


Norbert
Joop van der Lee, 03-12-2020 17:19
Joop van der Lee
Re : Pilobolus umbonatus??
Hello Norbert,

Thanks for you response they are very nice pictures indeed. 
I am still busy with stacking of photos here is a result of P. kleinii.

I also did find a subsporangular swelling without a sporangium but the bulb on top of the swelling looks like a sporangium.
After a few minutes is disappeared and closed the swelling as if it was a lid without causing the swelling to collapse, a very peculiar find.

Regards,


Joop
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Malcolm Greaves, 03-12-2020 17:26
Malcolm Greaves
Re : Pilobolus umbonatus??
Reallistically the only one you can be sure of without the microscope.
Mal
Joop van der Lee, 03-12-2020 17:31
Joop van der Lee
Re : Pilobolus umbonatus??

Thanks Mel.

Regards,

Joop