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12-01-2026 22:02

Ethan Crenson

Hello all, I am hoping someone will have some ins

11-01-2026 20:35

Josep Torres Josep Torres

Hello.A very tiny pyrenomycete sprouting sparsely

12-01-2026 05:24

Danny Newman Danny Newman

Cyathicula coronata on Urtica dioicaCataloochee Di

15-12-2025 11:49

Danny Newman Danny Newman

ITS sequences from the following two collections B

09-01-2026 17:41

Arnold Büschlen

Hallo, F. dilatata wird von vielen Bryoparasiten

10-01-2026 20:00

Tom Schrier

Hi all,We found picnidia on Protoparmeliopsis mur

07-01-2026 22:22

Danny Newman Danny Newman

Tatraea sp. on indet. hardwood The Swag, Great Sm

10-01-2026 01:18

Danny Newman Danny Newman

cf. Neovaginatispora fuckelii on indet. shrub Pre

07-01-2026 10:24

Danny Newman Danny Newman

Pezicula sp. on indet. hardwood Appalachian Highl

09-01-2026 10:08

Blasco Rafael Blasco Rafael

Hola, en el mismo habitat que la anteriorRetamaDia

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Lichenicolous fungus on Pertusaria pertusa - 2015-10-03
Lepista Zacarias, 06-10-2015 20:04
Hi everyone,
I found this lichenicolous fungus growing on the thallus of Pertusaria pertusa. It is a pyrenomycete having simple spores with many guttules inside, of dimensions:
(19.9) 21.3 - 25.8 (27) x (9.5) 10.6 - 12.6 (13.8) µm
Q = (1.7) 1.8 - 2.3 (2.5) ; N = 30
Me = 24.2 x 11.6 µm ; Qe = 2.1 .
The list of lichenicolous fungus on Pertusaria is very long, as can be seen for instance in Lichenicolous net. I have tried without success to find there anything similar.
Anyone have any suggestion of what this could be?
Thanks in advance,
zaca
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Javier Etayo, 07-10-2015 23:13
Re : Lichenicolous fungus on Pertusaria pertusa - 2015-10-03
Dear Zaca, 
I would not say this fungus is a lichenicolous one! The lichen is Pertusaria pertusa as you say but the fungus seems to be an stromatic lignicolous growing under the lichen. I do not know it.
Best wishes. Javier
Lepista Zacarias, 07-10-2015 23:18
Re : Lichenicolous fungus on Pertusaria pertusa - 2015-10-03
Thanks, Javier.
I think that you must be right, but my first impression was that it was lichenicolous.
Maybe someone else has an idea of what it could be.
Regards,
zaca
Alain GARDIENNET, 08-10-2015 06:31
Alain GARDIENNET
Re : Lichenicolous fungus on Pertusaria pertusa - 2015-10-03

Javier is right, I think that it could be a Botryosphaeria species, a lignicolous fungus.


Alain

Lepista Zacarias, 08-10-2015 16:31
Re : Lichenicolous fungus on Pertusaria pertusa - 2015-10-03
Thanks, Alain, for helping me once more.
After your comment I search for information and found the site
http://www.crem.fct.unl.pt/botryosphaeria_site/index.htm
where I could see some species similar to my specimen. Unfortunately, the key present there is based on the properties of conidia, which I didn't observe.
Best regards,
zaca