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06-11-2025 16:50

Rot Bojan

Hello! Yesterday I found a fungus on or near a nee

04-11-2025 14:53

Josep Torres Josep Torres

Hello.Very small, globose, mucronate perithecia, b

05-11-2025 11:33

Pierre Repellin

Bonjpur,J'ai trouvé, sur une hampe florale d'Alli

04-11-2025 09:07

Josep Torres Josep Torres

Hello.A suspected Hymenoscyphus sprouting on a thi

04-11-2025 12:43

Edvin Johannesen Edvin Johannesen

Hi! One more found on old Populus tremula log in O

03-11-2025 21:34

Edvin Johannesen Edvin Johannesen

These tiny (0.4-0.5 mm diam.), whitish, short-stip

03-11-2025 19:41

David Chapados David Chapados

Hi,Does anyone knows which genus could this be? G

28-10-2025 15:37

Carl Farmer

I'd be grateful for any suggestions for this strik

03-11-2025 16:30

Hans-Otto Baral Hans-Otto Baral

Hello I want to ask you if you have found this ye

01-11-2025 09:14

Francis Maggi

Bonjour,Trouvé sur Xanthoria parietina à Valdebl

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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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