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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 21:46

Margot en Geert Vullings

On a barkless poplar branch, we found hairy discs

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

31-01-2026 10:22

Michel Hairaud Michel Hairaud

Bonjour, Cette hypocreale parasite en nombre les

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anamorph on Rhytisma acerinum = Vermiculariopsiella immersa
Riet van Oosten, 20-03-2020 14:53
Riet van Oosten
Hello,

Found by Laurens van der Linde, March 2020, The Netherlands.

On Rhytisma acerinum, on both sides of the leaf.

Conidia: 19.0-23.9 x 2.7-2.7 µm

Anyone who recognizes these?

Greetings, Riet
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Mirek Gryc, 20-03-2020 16:06
Re : anamorph (with dark hairs) on Rhytisma acerinum
Hi Riet

Compare with Volutella.
- maybe Volutella fusarioides?

Mirek
Riet van Oosten, 20-03-2020 18:26
Riet van Oosten
Re : anamorph (with dark hairs) on Rhytisma acerinum
Hi Mirek,

Thank you very much for your help!

On Mycobank I found this:

Penzig, O. 1882. Funghi agrumicoli. Contribuzione allo studio dei funghi parassiti degli agrumi. Michelia. 2(8):385-508

On page 484: Volutella fusarioides

Too difficult for me .... :-)

setulis = setae????  If so, too short
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Chris Yeates, 20-03-2020 20:52
Chris Yeates
Re : anamorph (with dark hairs) on Rhytisma acerinum
Hello Riet

yes setulis means "with setulae" (i.e small - though not necessarily short - setae); in Latin diagnoses the ablative case is very much used - a case we do not have in English or Dutch.

See my recent thread about Stearn's "Botanical Latin" https://archive.org/details/BOTANICALLATINWILLIAMSTEARN/mode/2up

I'm afraid that doesn't help you with your fungus though!

Best wishes

Chris
Riet van Oosten, 20-03-2020 21:35
Riet van Oosten
Re : anamorph (with dark hairs) on Rhytisma acerinum
Hello Chris,
I'm very glad with the download "Botanical latin" and your explanation!
Thank you very much!
Best wishes, Riet
Riet van Oosten, 23-03-2020 17:12
Riet van Oosten
Re : anamorph (with dark hairs) on Rhytisma acerinum
A follow-up :-)

Laurens also sent the material to Björn Wergen.

Björn on Facebook, Ascomycetes of the world:
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