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28-07-2025 04:59

identification?
Richard Droker

Growing on resin (over moss on Tsuga heterophyll)l

28-07-2025 12:34

Capronia
Enrique Rubio Enrique Rubio

Hi to everybody.I would appreciate any ideas about

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

14-07-2025 11:20

Une hélotiale sur Sphagnum palustre
Michel Hairaud Michel Hairaud

Bonjour, Voici une espèce de  (?) Hyaloscyphace

18-07-2025 23:03

Help with some conidia.
Josep Torres Josep Torres

Hello.Fruitings between 51 and 130 microns in tota

17-07-2025 11:55

Una para ID 833
Castillo Joseba Castillo Joseba

De ayer en bosque de hayas y abetos, en tieraEjemp

16-07-2025 17:34

Sphaerulina cornicola versus Septoria cornina
Bernard Declercq Bernard Declercq

Hello,I have trouble distinguishing above mention

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Tiny pyreno on hare droppings
Stefan Jakobsson, 01-07-2023 16:42
On hare droppings among many larger perithecia I found a tiny nonstromatic cleistothecious(?) fungus well below 100 µm in diameter. The asci are octosporous 32-37 × 16.6-17.6 µm and the ascospores hyaline and two-celled 15.5-17.9 × 4.9-5.5 µm.

I have found nothing matching among coprophilous species but it could perhaps be a species normally growing on wood. I would be happy for suggestions.


Stefan

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Michel Delpont, 02-07-2023 22:03
Michel Delpont
Re : Tiny pyreno on hare droppings
Hello Stefan.

I have never encountered this type of fungus on excrement. I also think, indeed, that it is rather a fungus coming on wood or on grass.


Michel.

Alain GARDIENNET, 03-07-2023 08:06
Alain GARDIENNET
Re : Tiny pyreno on hare droppings
To kick-start your research, microscopy reminds me Arthopyrenia species...
Stefan Jakobsson, 03-07-2023 17:23
Re : Tiny pyreno on hare droppings
Thank you! The closest I get is Arthopyrenia salicis. Only the substrate is exceptional as it normally grows on "smooth bark". It is also quite small.