Pezizellaceous asco on Laurus wood

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Pezizellaceous asco on Laurus wood

Enrique Rubio, 25-01-2017 19:05

Hi again
I need your ideas for to identify this small, sessile, scutellate, whitish to pale yellowish, unchanged ascomata growing on a pruned branch of Laurus nobilis.
Asci IKI rb (at high concentration), 8-spored, with croziers. Paraphyses filiform, not enlaged at their tips, with no VBs but with some small SCBs, with yellowish content only in older specimens.
The excipulum made by hyaline hyphae running + o - parallel to the surface. No textura globulosa or of cubic cells. Margin made by clavate, hyaine, smooth cells with no content.
It seems to be an Helotiale belonging to the older genus Pezizella.
What do you think?
Many thanks again

Hans-Otto Baral, 25-01-2017 21:38

Re : Pezizellaceous asco on Laurus wood

Hmm, this is difficult. Something around Hyaloscypha or Cistella. Surely, Pezizella was a waste basket.
Can you send me the pics in higher resolution?
Zotto

Enrique Rubio, 26-01-2017 00:50

Re : Pezizellaceous asco on Laurus wood

Yes. I send you them. But the marginal cells are clavate and fully smooth and the ascomatal appearance is not those of these genera that you ssy.

Hans-Otto Baral, 26-01-2017 12:24

Re : Pezizellaceous asco on Laurus wood

Yes, I understand. A possibility could be "Phaeohelotium" carneum (= subcarneum) as it is in my folder carneum in Leptodontidium (where it probably does not belong). Leptodontidium is presently in Pezizellaceae where it does not belong......

Yes, this fits quite well I think.

Please let me know the collection data.

Enrique Rubio, 26-01-2017 12:28

Re : Pezizellaceous asco on Laurus wood

Hi Zotto
Here are the dta collection
La Andina, cuevas de Andina (Asturias), 21-I-2017, wood of Laurus nobilis, ERD-6950.
Thanks for you replay

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