Paranectria? - Forum ASCOFrance

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Paranectria?

Dragiša Savic, 26-04-2025 07:15

Hello everyone,
the lichen is Candelariella aurella and these black spots are some parasite on it. It reminded me of some Arthonia species but the spores are different. Paranectria oropensis is my only option but it looks different macroscopically. The appearance of the spores matches, except that they are slightly smaller. I didn't notice the tails at the ends but I saw in the description that they may be missing.

Dragiša

Peter Püwert, 26-04-2025 11:26

Re : Paranectria?

Hi Dragisa,

isn't Paranectria oropensis, see the pictures.

Peter.

Lothar Krieglsteiner, 27-04-2025 12:44

Re : Paranectria?

Lieber Peter,
ich freue mich, von Dir zu lesen und tolle Fotos zu einer mit unbekannten Art von Dir zu sehen!
Herzliche Grüße von Lothar

Valerii Darmostuk, 28-04-2025 12:58

Re : Paranectria?

Hi,

This one should be Henfellra muriformis (http://www.bioone.org/doi/full/10.13158/heia.29.2.2016.329). This is a poorly known species described from Turkey on Candelariella.

With best regards,
Valerii

Dragiša Savic, 28-04-2025 21:39

Re : Paranectria?

Thanks a lot Valerii, very interesting find. In fact, I brought a stone with several lichen species on it, to practice a little (lichens are not my primary interest) and only under a magnifying glass did I notice black dots on only one apothecia.

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