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13-02-2026 18:05

Tiny disc on Acer
Margot en Geert Vullings

On February 9, 2026, we found these small hairy di

14-02-2026 22:45

Vexillomyces/Claussenomyces
Tomaz Vucko Tomaz Vucko

Hy!I would ask for some help determing this specie

15-02-2026 04:32

Lentomitella like, aseptate?
Tomaz Vucko Tomaz Vucko

One more specimen that is giving me some descent a

09-02-2026 14:46

Cistella granulosella of Hyphodiscus incrustatus?
Anna Klos

Goedemiddag, Op donderdag 5 februari vonden we ti

14-02-2026 19:09

Petición de articulo Smardaea verrucispora
Valencia Lopez Francisco Javier

Hola colegasEstoi interesado en este articulo, Agn

14-02-2026 10:58

Asco blanc sur Diatrype
Bernard CLESSE Bernard CLESSE

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

13-02-2026 03:30

Unknown near Pseudohalonectria
Tomaz Vucko Tomaz Vucko

Hello! I found these immersed perithecia on a stic

13-02-2026 18:02

Help ID
Nogueira Héctor

November 2025 León (SPAIN) ID Help Hello! Thi

12-02-2026 21:34

Attaque des feuilles de Quercus suber
patrice Callard

Bonjour, la face inférieure des feuilles ce certa

11-02-2026 22:15

Rutstroemia maritima?
William Slosse William Slosse

Today, February 11, 2026, we found the following R

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Orbilia angiosubvinosa
Björn Wergen, 07-02-2024 22:42
Björn WergenHi there,

on attached twigs of Quercus sp, in Althornberg (near Hornberg, BaWü), 03.02.24, we have found small orange discs of various sorts (Orbilia subclavuliformis, Calloria septoseptata). This here might be Orbilia angiosubvinosa, at least the keys led me to that direction (spores are shorter than given in Baral).


spores
(10.5) 10.6 - 12.9 (14.9) × (1.9) 1.94 - 2.2 µm; Q = (5) 5.1 - 6.7 (7) ; N = 16; Me = 12 × 2.1 µm ; Qe = 5.7.

sbs
3.7 - 5.07 (5.1) × 0.5 - 0.8 µm; Q = (5.4) 5.44 - 9.77 (9.8) ; N = 5; Me = 4.3 × 0.7 µm ; Qe = 6.8.

asci approx. (dead) 42 - 55 x 5 µm.


fk 340 - 390 µm diam.

anamorph dwayaangam-like, from natural substrate, middle part 10.0 - 10.5 µm broad.

Opinion?

regards
björn

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Hans-Otto Baral, 08-02-2024 11:03
Hans-Otto Baral
Re : Orbilia angiosubvinosa
Hi Björn

interesting collection, but difficile matter!

Seems that glassy processes are absent (I guess it is exudate only). I have two folders, GP- and GP+.

What you could clarify: Are there crystalloid SCBs in the paraphyses or excipular cells?

Similar is also O. montigena which always lacked crystalloid SCBs and has Trinacrium conidia. Given that the Dwayaangam belong to the apothecia, this species is excluded.

Zotto

btw. If you want me to include your septoseptata in my MS feel free to send me your docu. The one with 3 septa got an old name: C. faberi Kunze in Rehm.
Björn Wergen, 08-02-2024 12:03
Björn Wergen
Re : Orbilia angiosubvinosa
Here are two photos of excipulum cells, with small crystalloid SCBs, but quite indistinct. The collection is not in a good condition btw
There is O. subclavuliformis on the same substrate, but on another twig, together with its trinacrium anamorph. I have seen the trinacrium anamorph also on the twig with the "O. angiosubvinosa" fruitbodies.
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Hans-Otto Baral, 08-02-2024 15:28
Hans-Otto Baral
Re : Orbilia angiosubvinosa
2-3 cells in your first pic are alvie and there might be some, but this is not certain to me. There are too few collections of this putative species and only one sequence.