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28-04-2026 20:07

Lothar Krieglsteiner Lothar Krieglsteiner

... on twig in the air at standing Ceratonia siliq

14-04-2026 05:32

Ethan Crenson

Hi all, A few weeks back a friend pointed out som

28-04-2026 20:33

Vitus Schäfftlein

Hello, I found Trochila ilicina on Ilex aquifoliu

30-04-2026 10:43

Castillo Joseba Castillo Joseba

Me mandan el material seco de Galicia, España, 

30-04-2026 10:28

Rot Bojan

Hello, by appearance I would say that I am dealing

27-04-2026 18:48

Tony Moverley

Collected 23rd April 2026, Norfolk, EnglandSwarms

27-04-2026 20:52

Lothar Krieglsteiner Lothar Krieglsteiner

Found on hanging tiwg of Olea europaea in dried-ou

28-04-2026 22:51

Bernard CLESSE Bernard CLESSE

Bonsoir à toutes et tous,Pourriez-vous m'aider à

29-04-2026 08:01

Lothar Krieglsteiner Lothar Krieglsteiner

... on twig attached to small tree of Citrus auran

29-04-2026 10:44

Lothar Krieglsteiner Lothar Krieglsteiner

growing at moist, drying-out soil at the side of a

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Otidea mirabilis 191210 06
Miguel Ángel Ribes, 23-02-2015 11:55
Miguel Ãngel RibesI have always doubts to interpret the colours of Otidea, so I prefer your confirmation about this O. mirabilis. I think it is clearly bicolor, and slightly violet outside, but it was a little dried.

It is from a Castanea sativa forest in Gran Canaria (Canary Islands).

Spores (11.2) 12.2 - 13.5 (14.2) x (5.3) 5.8 - 6.8 (7.1) µm; Q = (1.7) 1.9 - 2.2 (2.3); N = 46; Me = 12.9 x 6.3 µm ; Qe = 2.1.

Thank you.
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  • message #34070
  • message #34070
  • message #34070
Ibai Olariaga Ibarguren, 23-02-2015 13:04
Re : Otidea mirabilis 191210 06
Hi Miguel Ángel!

I am not sure as we have seen purple tones in a few young specimens of O. bufonia as well. To be sure, we would have to see a section of the medullary excipulum showing that there are no crystallized striate deposits covering hyphae nor sphaeroid crystal aggregates (visible in Melzer or water).

Cheers,

Ibai.
Miguel Ángel Ribes, 23-02-2015 13:22
Miguel Ãngel Ribes
Re : Otidea mirabilis 191210 06
Hi Ibai

This is an old collection and I didn't take pictures of medullary excipulum, so I must rehidrated the material and find it.

Thank you.
Ibai Olariaga Ibarguren, 23-02-2015 13:26
Re : Otidea mirabilis 191210 06
It is easier to make sections with a sharp razor blade and check for crystals using Melzer. No need for rehydration -I hope this helps.

Cheers,

Ibai.

Miguel Ángel Ribes, 23-02-2015 14:07
Miguel Ãngel Ribes
Re : Otidea mirabilis 191210 06
Ok, thanks, I will try it this afternoon.
Miguel Ángel Ribes, 24-02-2015 00:21
Miguel Ãngel Ribes
Re : Otidea mirabilis 191210 06
This afternoom I have see a lot of cristals in the medullar excipulum, similar to this "fingerprints" of some days ago (http://www.ascofrance.fr/search_forum/33386), bigger and more clear. Perhaps tomorrow I can sent some pictures.

Thank you.
Miguel Ángel Ribes, 25-02-2015 00:01
Miguel Ãngel Ribes
Re : Otidea mirabilis 191210 06
Here are the "fingerprint" crystals, so another Otidea bufonia.

Thank you Ibai.
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