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29-01-2015 08:18

Masanori Kutsuna

Hello everyone, I received photos of small black

28-01-2015 18:43

Mateusz Wilk

Dear Friends,Does any of you have pdf of this lege

14-01-2015 22:34

Calzada Augusto Calzada Augusto

Hola amigos.Queria preguntaros acerca de una espec

11-01-2015 16:16

Marja Pennanen

Hello forum,these about 0,2 mm wide spots on Carag

15-01-2015 19:19

Alessio Pierotti Alessio Pierotti

Someone have this paper ?GAMUNDI 1975. -  Fungi,

27-01-2015 14:38

Vasileios Kaounas Vasileios Kaounas

Found 27-01-15, in Greece, in rotten needle from J

26-01-2015 17:40

Miguel Ãngel Ribes Miguel Ángel Ribes

H againI have this green Propolis in Pinus pinea c

27-01-2015 00:13

Francisco Calaça Francisco Calaça

Hello to all!I'm looking for this paper: "Lundqvis

26-01-2015 13:21

Vasileios Kaounas Vasileios Kaounas

Found 26-01-15, in Greece, in Pistacia lentiscus i

24-01-2015 10:09

Nina Filippova

Dear forum,i am currenly working with collection o

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Otidea umbrina 170115 140
Miguel Ángel Ribes, 27-01-2015 00:55
Miguel Ãngel RibesGood night

Another species from dune environment. I am not capable to separate O. umbrina of O. grandis, O. olivacea and O. olivaceobrunnea. Could you help me?

Apos directly on sand of a north face dune with bryophytes, up to 10 cm tall. Slightly furfuraceous exterior.
Asci eight spores, IKI-, with croziers.
Spores type III (slightly fusiform), smooth, (12.6) 13.5 - 15.3 (15.8) x (6.0) 6.2 - 7.0 (7.4) µm
Q = (1.8) 2.0 - 2.3 (2.5); Me = 14.2 x 6.6 µm ; Qe = 2.2.
Paraphysis bent at tip, plenty of small brown guttules at top cell.
Ectal Excipulum of textura subglobosa-angularis.
Medullar Excipulum of textura intricata.

Thank you.
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Nicolas VAN VOOREN, 29-01-2015 14:55
Nicolas VAN VOOREN
Re : Otidea umbrina 170115 140
Hi Miguel Angel,
In my opinion, this is Otidea bufonia. Spore shape and size match well. To be sure, check if some hyphae of the medullary excipulum present an external brown pigment, looking like finger-prints.
Cheers.
Miguel Ángel Ribes, 29-01-2015 22:36
Miguel Ãngel Ribes
Re : Otidea umbrina 170115 140
Thanks a lot, Nicolas

Something like this?

There are not good pictures (600x), now I have the specimens dried, is it possible to see it if I make new micro from dried material?

Best wishes.
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Nicolas VAN VOOREN, 30-01-2015 14:28
Nicolas VAN VOOREN
Re : Otidea umbrina 170115 140
Yes, it is. So O. bufonia is confirmed.
Miguel Ángel Ribes, 30-01-2015 15:22
Miguel Ãngel Ribes
Re : Otidea umbrina 170115 140
Merci Nicolas

The best.