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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

04-11-2025 14:53

Josep Torres Josep Torres

Hello.Very small, globose, mucronate perithecia, b

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

28-10-2025 19:33

Nicolas Suberbielle Nicolas Suberbielle

Bonjour à tous,Je voudrais votre avis sur cette r

31-10-2025 09:19

Lothar Krieglsteiner Lothar Krieglsteiner

Can somebody provide me with a file of:Rogerson CT

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White on a Vaccinium leaf
Marja Pennanen, 18-09-2016 11:50
Hello folks,

once again I went to forest and am lost with the determination of my scanty collection.

I did not even try to take a macrophoto of the tiny fungus. It is one of these white, hairy ones, that are hardly 0,1 mm wide.
The spores are 4-6x1,5-2 and have polar droplets.
The asci are 18-27x4-6, IKI blue.
The hairs are 15-25x2-5 and odd. The shape is hyaloscyphalike, but I have not seen such amount of granules on Hyaloscypha hairs.

Is this still a Hyaloscypha species or is the genus some else?

Marja
  • message #44974
  • message #44974
Kosonen Timo, 18-09-2016 15:01
Kosonen Timo
Re : White on a Vaccinium leaf
hello,
are the walls really thick or is it just the focus?
timo
Marja Pennanen, 19-09-2016 09:01
Re : White on a Vaccinium leaf
Hi Timo,

the hairs are not glassy, if you mean that. They seem normal walled like some Cistellas etc.

I still have the leaf with about 5 apos in fridge, in case that extra studies are needed, but will put it drying soon and label it as a Hyaloscyphaceae sp., if I nothing else comes up.

The rainy weathers have been favorable for many rare species this season here. Of course some species like wet weathers so much, that they do not have do produce spores ;)

Marja