24-11-2025 15:23
Arnold BüschlenHallo, auf einer offenen Kiesfläche am Rande ein
23-11-2025 11:16
Bohan JiaHi, I found small discs growing on dead stem of
21-11-2025 10:56
Christopher Engelhardt
Very small (~0,5 mm) white ascos, found yesterday
21-11-2025 11:52
Jean-Luc RangerBonjour à tous, on voit toujours 2 espèces areni
Tiny white apothecia on cone
Chris Johnson,
30-09-2014 13:05
These apothecia were found on the scale of an old Picea abies cone. The largest is just 150 µm across.
Just 3 spores were available for measurement: 6.9-8.2 x 2.2-2.6 µm (a guide but probably unreliable).
Asci: 39-51 x 6.4-9.6 µm. The tips turned blue in Lugol's.
The first micro image is in water, the second in Lugol's.
Any guidance as to where I should be looking, welcome.
Amitiés, Chris
Hans-Otto Baral,
30-09-2014 13:25
Re : Tiny white apothecia on cone
Are there no hairs? It looks a bit like a Hyaloscypha.
Chris Johnson,
30-09-2014 23:01
Re : Tiny white apothecia on cone
Definitely no hairs found and I did look carefully.
Chris
Chris
Hans-Otto Baral,
30-09-2014 23:07
Re : Tiny white apothecia on cone
On the upper right it looks like a curved thin structure, reminiscent of Hamatocanthoscypha hairs. No idea if I am wrong.
Chris Johnson,
01-10-2014 08:51
Re : Tiny white apothecia on cone
Many thanks for your thoughts, Zotto.
I had Hamatocanthoscypha laricionis recently on the same substrate, and even the smallest apothecia had a distinct disc shape and the abundant hairs were obvious.
However, I have no experience of other members of this genus.
With so little material to work with, we will probably never know.
Regards, Chris
I had Hamatocanthoscypha laricionis recently on the same substrate, and even the smallest apothecia had a distinct disc shape and the abundant hairs were obvious.
However, I have no experience of other members of this genus.
With so little material to work with, we will probably never know.
Regards, Chris
Hans-Otto Baral,
01-10-2014 17:37
Re : Tiny white apothecia on cone
I agree it looks quite different.