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02-02-2026 21:46

Margot en Geert Vullings

On a barkless poplar branch, we found hairy discs

25-01-2026 23:23

Tomaz Vucko Tomaz Vucko

Hello! I found this species that resembles Delitsc

06-02-2026 01:14

Tomaz Vucko Tomaz Vucko

Hello!How would you name this species? Most perith

04-08-2014 17:35

Leandro Sánchez Leandro Sánchez

Sur branche de feuillus, jusqu'à 22 mm diamètre,

05-02-2026 15:07

Vasileios Kaounas Vasileios Kaounas

Found on a fallen needle of Pinus halepensis, diam

05-02-2026 06:43

Stefan Blaser

Hello everybody, Any help on this one would be mu

18-08-2025 15:07

Lothar Krieglsteiner Lothar Krieglsteiner

.. 20.7.25, in subarctic habital. The liverwort i

02-02-2026 14:55

Andgelo Mombert Andgelo Mombert

Bonjour,Sur thalle de Lobaria pulmonaria.Conidiome

02-02-2026 14:33

Andgelo Mombert Andgelo Mombert

Bonjour,Sur le thalle de Peltigera praetextata, ne

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Allophylaria clavuliformis?
Marcus Yeo, 07-10-2013 20:56
I recently found this discomycete on dead stems of Lycopus europaeus.

Apothecia are < ca 0.5 mm across; pale yellow with a short white stalk. Excipular cells are rectangular away from the margin, longer and thick-walled towards the margin (textura oblita?).

Asci are 110-130 x 7-9 µm; tip turning red in IKI.

Spores are 15-16 x 3.5-4 µm; no septa; with several large oil bodies and many smaller ones; some flattened on one side.

Paraphyses are ca 1-2 µm wide, with slightly swollen tips with conspicuous oily contents.

Because of the ascus reaction to IKI and the excipular structure, I provisionally identified it as an Allophylaria. A clavuliformis seems to be the best fit, but I have very little information on this species. I'd be grateful for any guidance.

Thanks in advance.

Marcus   

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Michel Hairaud, 07-10-2013 23:14
Michel Hairaud
Re : Allophylaria clavuliformis?
Hi Marcus, 

Did you consider A. Byssacea ?
It's not rare in wet zones such as Le Marais Poitevin, and Lycopus europaeus is the most frequent substrate.

Amitiés
Michel
Hans-Otto Baral, 08-10-2013 08:29
Hans-Otto Baral
Re : Allophylaria clavuliformis?
Yes I agree. Wonderful documentation!
Zotto
Marcus Yeo, 08-10-2013 21:18
Re : Allophylaria clavuliformis?

Zotto - thank you for your help.

How does A. byssacea, which Michel mentions, differ from A. clavuliformis

Hans-Otto Baral, 08-10-2013 21:53
Hans-Otto Baral
Re : Allophylaria clavuliformis?
Good question!

I am unaware of a good redescription. Karsten published it  10 years after byssacea, and perhaps he thought - like me - that on dicots grows another fungus than on monocots.

I first thought the spores are wider on dicots but finally i gave up this distinction.

Zotto