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07-02-2023 22:28

Ethan Crenson

Hello friends, On Sunday, in the southern part of

19-02-2026 17:49

Salvador Emilio Jose

Hola buenas tardes!! Necesito ayuda para la ident

09-02-2026 22:01

ruiz Jose

Hola, me paso esta colección en madera de pino, t

19-02-2026 13:50

Margot en Geert Vullings

We found this collection on deciduous wood on 7-2-

19-02-2026 12:01

Castillo Joseba Castillo Joseba

Me mandan el material de Galicia (España), recole

17-02-2026 09:41

Maren Kamke Maren Kamke

Good morning, I found a Diaporthe species on Samb

16-02-2026 21:25

Andreas Millinger Andreas Millinger

Good evening,failed to find an idea for this fungu

08-12-2025 17:37

Lothar Krieglsteiner Lothar Krieglsteiner

20.6.25, on branch of Abies infected and thickened

17-02-2026 17:26

Nicolas Suberbielle Nicolas Suberbielle

Bonjour à tous, Je recherche cette publication :

03-02-2013 19:50

Nina Filippova

Good time), I've compared this specimen with the

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Could this be Bacidina chloroticula in a mat of algae/lichens?
François Bartholomeeusen, 05-10-2025 16:41
Dear forum members,

On a mat of dried algae/lichens, loosely attached to a herbeceous stem, I found several very small, dirty gray fruiting bodies (diameter 155 to 220 µm), sitting on the substrate.
Asci: club-shaped, thick-walled, 27 x 6.5 µm; reddish-brown in Meltzer and Baral's solution, blue-black in Lugol's solution;
Spore: needle-shaped, stretched, (21.4) 23.6 - 27.2 (27.5) × (1.4) 1.7 - 2.1 µm, no septa, only in IKI 2 septa;
Paraphyses and base asci difficult to observe;
Conidia: filiform, curved, without septa, Me = 31.5 × 1.4 µm (measured with curvature)
Textura: globulosa incrassato-imbuta
Using the key in the publication listed below, I arrive at Bacidina chloroticula.
However, my knowledge of algae/lichens is insufficient to be certain of the identification. Can anyone help me? Many thanks in advance.


François Bartholomeeusen


Ekman, S. (2023) Four new and two resurrected species of Bacidina from Sweden, with notes and a preliminary key to the known Scandinavian species. Nordic Journal of Botany


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