Asco on Hedera - Forum ASCOFrance

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Asco on Hedera

Anna Klos, 17-03-2023 15:07

Yesterday, during an inventarisation in Zoetermeer (The Netherlands) we found some ascomycetes on a leaf of Hedera. In my search to find the right species, I saw a topic on this forum which pointed to Lambertella tetrica. As far as I can see, all features seems to match my found. Am I right?

Spores: 23-26 x 5 mu

With kind regards,

Anna

Hans-Otto Baral, 17-03-2023 16:31

Re : Asco on Hedera

I also see a good match, but I never saw this species myself.

Did you check the negative iodine reaction of the asci?

Anna Klos, 17-03-2023 16:39

Re : Asco on Hedera

No, I did not check the negative iodine reaction of the asci. But if necessary, maybe I can send the find to someone who can do it for me.

With kind regards,

Anna

Hans-Otto Baral, 17-03-2023 16:46

Re : Asco on Hedera

Hmm, you don't have iodine! The standard reagent in mycology. If you find someone, tell him that he/she should use Lugol not Melzer which may suppress iodine reactions.

Enrique Rubio, 17-03-2023 17:21

Re : Asco on Hedera

Yes, I think Lambertella tetrica as a good possibility.
https://www.centrodeestudiosmicologicosasturianos.org/?p=49363

Anna Klos, 17-03-2023 20:24

Re : Asco on Hedera

I have found someone!
She (Riet) is a frequent visitor of this forum, she knows how to use the chemicals needed.
Thank you very much for your reply.

With kind regards,

Anna

Anna Klos, 17-03-2023 20:33

Re : Asco on Hedera

Thank you Enrique, your clear foto's and information on the net made me realise, that I was heading in the right direction.

With kind regards,

Anna

Valencia Lopez Francisco Javier, 17-03-2023 21:39

Re : Asco on Hedera

Si, parece l. tetrica
Hay otra especie de lambertella que también puede crecer en Hedera helix, es L. jasmini, morfológicamente son muy similares pero se separan muy bien por la forma de las esporas que son diferentes.
Saludos
Curro

Anna Klos, 18-03-2023 14:23

Re : Asco on Hedera

Interesting and good to know, whenever I find a look a like on Hedera. Thank you for your addition.

With kind regards,

Anna

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