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24-03-2019 00:18

Joop van der Lee

Found on horse dung,Again I found apothecia (2) th

21-03-2019 11:32

Michel RIMBAUD

Bonjour,Récolté il y a quelques jours sur bois p

23-03-2019 23:36

Joop van der Lee

I am looking for the following documenttion.Chalaz

23-03-2019 20:26

Michel Delpont Michel Delpont

Bonsoir! Je suis à la recherche de cet article:

22-03-2019 16:28

Stefan Blaser

Hello everybody, I'm really at a loss with this o

22-03-2019 23:06

Joop van der Lee

Found on deer dung.Ascomata: yellow with setae gro

22-03-2019 21:41

Joop van der Lee

Found on deer dung during examination of another s

23-03-2019 16:06

Peter Thompson

Hello Everyone,I have found perithecia of a black

21-03-2019 01:15

Valencia Lopez Francisco Javier

Hola amigosAdjunto fotos macro/micro de unos Ascob

22-03-2019 13:37

Castillo Joseba Castillo Joseba

Me mandan la muestra seca de Galicia,  recolectad

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Searching Holwaya samples with morphological details and sequences
Quijada Luis, 13-09-2018 20:25
Hi all, I am currently working in the genus Holwaya, here I attach a document with some information, maybe you can help me!
  • message #54656
Hans-Otto Baral, 13-09-2018 21:32
Hans-Otto Baral
Re : Searching Holwaya samples with morphological details and sequences
Hi Luis
are you sure with the spore measurements? Your Holwaya sp. has spores which look like having about the same l:w ratio as H. mucida, i.e. maybe 50 x 3.5 µm but not only 10x longer than wide.

Also the fungus looks larger than 0.3 mm to me, but here I may be wrong.

You figured a curled paraphysis, which seems a strong further difference between the two?

Did you try the wood anatomy? Is it an angiosperm?
Zotto
Quijada Luis, 14-09-2018 15:48
Re : Searching Holwaya samples with morphological details and sequences
Hi Zotto,
the measures included they were taken from manuscripts. Each photo was enlarged or shortened only to show the morphology, not for comparison in the figure. Holwaya sp. is around 0.3 mm, the samples that I reviewed the size of the apothecia were around 200-300 um.
As you said, the main morphological difference is the paraphyses.
I cannot identify the wood of the samples under Holwaya sp. because I reviewed them years ago and I do not have the samples, but maybe I can ask to the herbarium if they can help me with that.
I am trying to find help to compare that samples from the northern hemisphere of H. mucida, I think this is something that would be interesting.
Best
Luis
Hans-Otto Baral, 14-09-2018 16:17
Hans-Otto Baral
Re : Searching Holwaya samples with morphological details and sequences
Would be be helpful to clarify if it was an angiosperm or gymnosperm.

I meant the length:width ratio seems incorrect: when you measure the left spore of Holwaya sp. and take it as 38 µm long, then it has a width of maybe 2.5-2.7 µm, so I thought it could be longer than 38 µm to fit your width values.