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28-04-2024 18:05

Bernard CLESSE Bernard CLESSE

Bonsoir à toutes et tous,J'ai trouvé ce matin ce

28-04-2024 13:30

Juuso Äikäs

On Friday I found these pale, hairy little discos

24-03-2024 08:27

Thierry Blondelle Thierry Blondelle

HiOn Hedera helix fallen branchEcological habitat:

26-04-2024 10:07

Mathias Hass Mathias Hass

Hello, Does anyone know what this is? Found on J

24-04-2024 21:54

éric ROMERO éric ROMERO

Bonjour, J'ai trouvé ce Lasiobolus sur laissées

23-04-2024 15:18

Lothar Krieglsteiner Lothar Krieglsteiner

... but likely a basidiomycete. I hope it is o.k.

23-04-2024 13:17

Edouard Evangelisti Edouard Evangelisti

Bonjour à tous, Je viens de récolter ce que je

23-04-2024 21:49

Ethan Crenson

Hello all, A friend recently found this orange as

22-04-2024 11:52

Zuzana Sochorová (Egertová) Zuzana Sochorová (Egertová)

Hello,I made a loan of a collection of Microstoma

11-01-2022 16:36

Jason Karakehian Jason Karakehian

Hi does anyone have a digital copy of Raitviir 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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