Tatraea? - Forum ASCOFrance

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Tatraea?

David Malloch, 15-09-2023 15:35

This little fungus was on a soil- and moss-covered dead root mass of Betula papyrifera in New Brunswick (45.134° -66.492°). It seems close to species of Tatraea but has rather small ascospores and no bluing of the ascus apex in Melzer's or Lugol's. The ascospores measure 17.4-20.1 x 5.2-5.7 µm, Q = 3.12-3.78. Is there a better genus for this?

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Peter Püwert, 15-09-2023 15:54

Re : Tatraea?

Hi all,

I mean more Cudoniella acicularis.

P. P

David Malloch, 15-09-2023 16:42

Re : Tatraea?

Thanks Peter. That looks like a good fit.

David

Lothar Krieglsteiner, 15-09-2023 17:51

Re : Tatraea?

Hello David,
for me this is not Tatraea but quite likely Cudoniella acicularis. You do not show paraphyses, but other characters agree in my opinion.
Yours, Lothar

Lothar Krieglsteiner, 15-09-2023 17:53

Re : Tatraea?

ah sorry - I did not see there was an answer already :-(

David Malloch, 15-09-2023 18:22

Re : Tatraea?

Hi Lothar..

Yes, I forgot the paraphses. Thanks for the reminder. Here they are. Cudoniella acicularis looks good to me.

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