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Hymenobolus agaves anamorph
Miguel Ángel Ribes, 12-03-2013 00:39
Miguel Ãngel RibesGood night

Perhaps someone remember this Hymenobolus agaves: http://www.ascofrance.fr/search_forum/10909

Rubén has foung more collections in another Canary Island, La Gomera. In some collections, between H. agaves apothecium, are growing too a white-orange anamorph, 2-5 mm broad, relatively hard (it is posible to cut it).

Is it posible the anamorph of H. agaves? How to study this anamorph?

This are general views.

Thank you.

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Miguel Ángel Ribes, 12-03-2013 00:44
Miguel Ãngel Ribes
Re : Hymenobolus agaves anamorph
General micro views. It is posible to see some layers. External one with more-less rounded cells.
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Miguel Ángel Ribes, 12-03-2013 00:50
Miguel Ãngel Ribes
Re : Hymenobolus agaves anamorph
Inside, tow black lines. And in medular area a white area with globose-angular structure mixed with cilyndrical cells.
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Miguel Ángel Ribes, 12-03-2013 00:53
Miguel Ãngel Ribes
Re : Hymenobolus agaves anamorph
Eliptical conidiospores in water:

(4.06) 4.49 - 5.21 (6.63) x (2.87) 2.94 - 3.35 (3.57) µm
Q = (1.28) 1.40 - 1.70 (1.86) ; N = 52
Me = 4.88 x 3.14 µm ; Qe = 1.56
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Miguel Ángel Ribes, 12-03-2013 00:55
Miguel Ãngel Ribes
Re : Hymenobolus agaves anamorph
And finally, at the margin, this conidial structure.

Than you in advance.

Miguel Á. Ribes
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Hans-Otto Baral, 12-03-2013 08:06
Hans-Otto Baral
Re : Hymenobolus agaves anamorph
Great, Miguel! Could you please show us a closeup of the conidiogenous cells, were the conidia emerge? I assume they are phialidic. Then we can search in Genera of Hyphomycetes, or someone has an idea.

I have given the previous Hymenobolus specimen for sequencing, I am curious where it could belong.

Zotto
Miguel Ángel Ribes, 12-03-2013 11:27
Miguel Ãngel Ribes
Re : Hymenobolus agaves anamorph
Here there are.

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Hans-Otto Baral, 12-03-2013 22:56
Hans-Otto Baral
Re : Hymenobolus agaves anamorph
Hi Miguel

Walter Gams answered me that this is  clearly a Clonostachys, probably Clonostachys solani (Harting) Schroers & W. Gams, which is quite common, often fungicolous, and the anamorph of a Bionectria. So certainly not belonging to Hymenobolus.

Zotto
Miguel Ángel Ribes, 13-03-2013 00:15
Miguel Ãngel Ribes
Re : Hymenobolus agaves anamorph
Hi Zotto, Superb.

Thank you again to resolve this puzzle.

See you.