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17-05-2025 18:52

Francois Guay Francois Guay

I found this interesting asco in Quebec,Canada las

28-05-2025 21:19

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The rose is intertwined with black elderberry.Prob

26-05-2025 19:11

Edmond POINTE Edmond POINTE

Bonjour, apothécie poilue, jaune pale 495µm poil

28-05-2025 15:19

Thomas Flammer

Substrate: pretty much soaked Fagus wood under new

21-05-2025 08:31

Josep Torres Josep Torres

Reddish-brown, grain-like ascomata, measuring 0.7â

28-05-2025 07:56

Per Marstad Per Marstad

We are a group of 8 entusiastic "Hunters" who have

27-05-2025 13:34

Karen Poulsen

Hello, I found this one on straw in water at lake

26-05-2025 21:09

Zuzana Sochorová (Egertová) Zuzana Sochorová (Egertová)

Hello, I would like to consult this pyrenomycete.

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Bonjour à tous (je suis nouveau sur le forum), U

25-05-2025 08:22

Castillo Joseba Castillo Joseba

me mandan el material seco de Galicia (España) re

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Ascomycete on bat poop in cave
Warre Van Caenegem, 24-06-2025 14:00
I'm currently in Croatia doing fieldwork that is not quite related to fungi. But in a small cave, I've found these tiny stalked cup fungi growing on individual bat poop droppings, probably from a Rhinolophus bat.
I have a very simple microscope available, without a 100x lens and I cannot make measurements currently, and no literature.

I'm just very curious what these fungi are, so I hope that the data I can provide might help to get to a genus or species.

Asci 8-spored, with simple septa (no clamp at base). Excipulum with round cells, some of these cells have brown content. Paraphyses are not very obvious, but there are several long, thicker-walled strands in here, which are multiseptated and seem to be filled with greenish/brown content (it kind of looks like a filamentous algae).

I tried to search for Literature and observations of ascomycetes on bat droppings, but I could not find something that looks like this.
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Neven Matocec, 24-06-2025 14:28
Neven Matocec
Re : Ascomycete on bat poop in cave
Dear Warre,
I am writing you officially as an member of the State project that is currently concerned on a cave fungi. Together with my colleagues we are working on a group to which member you have came accross. If you collected anything, please send us your whole collection to legalise your activity and thus making you a collaborator of our project. ANY collecting of biological material in Croatian caves IS STRICTLY PROHIBITED.

ME and my colleagues would like to continue our further conversation through the e-mail. My official address is nmatocec@irb.hr. I will write you today to establish our further communication.

Best regards,
Neven Mato?ec
Warre Van Caenegem, 24-06-2025 15:50
Re : Ascomycete on bat poop in cave
Dear Neven Matocec,

Thank you for your response. Awaiting your personal email communication, I would like to specify that I currently volunteer for Operation Wallacea, a UK-based conservation organization. Here, we are working together with BIOTA, a Croatian based conservation organization, in and around Krka National Park.

I would like to contribute to your project, and I will wait for any further instructions.

Best regards,
Warre
Neven Matocec, 24-06-2025 16:17
Neven Matocec
Re : Ascomycete on bat poop in cave
Dear Ware,
thanks for your prompt reply! Oh good! Yes, I know everthying about Operation Wallacea in Croatia, I even participated in one several years ago. Please send my regards to Dušan Jeli? if he is there :-)

We'll discuss on everything and looking forward to our future cooperation. Will write you a bit later today,

Cheers,
Neven

Hans-Otto Baral, 24-06-2025 16:36
Hans-Otto Baral
Re : Ascomycete on bat poop in cave
Difficult to tell without measurements, iodine reaction, and living features. The paraphyses surely contained VBs which now in dead state appear distorted.

The absence of croziers I would doubt a bit, it is not evident on your photos.

The excipulum could point to a Sclerotiniaceae (?), which depends on the type of amyloid apical ring of the asci.