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23-12-2025 11:27

Louis DENY

bonjour forum,sur débris de bois de feuillu (acer

20-12-2025 10:49

Mirek Gryc

Hi. „I doubt it is possible to identify this ti

23-12-2025 08:27

Josep Torres Josep Torres

Hello.Small, yellowish ascomata, with very short a

21-12-2025 09:32

Josep Torres Josep Torres

Hello.A tiny ascomycete found embedded in wood in

21-12-2025 21:32

Pol Debaenst

Hello, Garden, Burgweg 19, Veurne, BelgiumOn 10/1

22-12-2025 23:38

Patrice TANCHAUD

Bonsoir, récolte sur un mur en pierre, apothéci

21-12-2025 12:34

Castillo Joseba Castillo Joseba

me mandan el material seco de Galicia (España) 

22-12-2025 00:47

Patrice TANCHAUD

Bonsoir, récolte à proximité du milieu dunaire

21-12-2025 21:40

Isabelle Charissou

Bonjour, j'aimerais connaitre les références de

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Patrice TANCHAUD

Bonsoir, récolte sur sol sablonneux dans l'arriÃ

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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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