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28-04-2026 20:07

Lothar Krieglsteiner Lothar Krieglsteiner

... on twig in the air at standing Ceratonia siliq

14-04-2026 05:32

Ethan Crenson

Hi all, A few weeks back a friend pointed out som

28-04-2026 20:33

Vitus Schäfftlein

Hello, I found Trochila ilicina on Ilex aquifoliu

30-04-2026 10:43

Castillo Joseba Castillo Joseba

Me mandan el material seco de Galicia, España, 

30-04-2026 10:28

Rot Bojan

Hello, by appearance I would say that I am dealing

27-04-2026 18:48

Tony Moverley

Collected 23rd April 2026, Norfolk, EnglandSwarms

27-04-2026 20:52

Lothar Krieglsteiner Lothar Krieglsteiner

Found on hanging tiwg of Olea europaea in dried-ou

28-04-2026 22:51

Bernard CLESSE Bernard CLESSE

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

29-04-2026 08:01

Lothar Krieglsteiner Lothar Krieglsteiner

... on twig attached to small tree of Citrus auran

29-04-2026 10:44

Lothar Krieglsteiner Lothar Krieglsteiner

growing at moist, drying-out soil at the side of a

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Opegrapha glaucomaria?
Jenny Seawright, 29-05-2015 00:31
Jenny SeawrightHello all,

Lichenicolous fungus on on the thallus of Porpidia tuberculosa.

Small clusters of tiny black apothecia, appearing lecideine with roughened exposed discs and raised margins. Most spores were 2-3 septate, 15-24 x 7-9 µm, epithecium becoming darker green in KoH, paraphyses branched.


Opegrapha (now Phacographa) glaucomaria seems a possibilty and I wondered if anyone might have the key to this group:


Hafellner 2009: Phacothecium resurrected and the new genus Phacographa (Arthoniales) proposed. Bibliotheca Lichenologica 100: 85-121.


With regards,


Jenny

  • message #36164
  • message #36164
  • message #36164