Lachnellula - Forum ASCOFrance

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Lachnellula

Joaquin Martin, 17-01-2021 17:45

Hi,

I have found this tiny Ascomycete on pinus sylvestris, the apothecia measures 1 mm.
the spore measurements are 5-6.5 x 1.2-1.6
J+ (blue), difficult to see
I have looked at the Lachnellula's keys DICHOTOMOUS KEY TO LACHNELLULA ( H. Baral ) and I think it fits well as Lachnellula minuta.
I would like to know your opinion.
Thank you.

Hans-Otto Baral, 17-01-2021 20:26

Re : Lachnellula

If your scale is correct, which I believe, then the spores measure as you say. How large are the apos? My key says "very small", I assume Dharne did not state it.

This taxon is a dubious one, it is almost unknown. But it could be overlooked vecause of the very frequent sibling L. subtilissima.

Zotto

Joaquin Martin, 18-01-2021 15:39

Re : Lachnellula

Hi Zotto

The apos are 1mm, as I said in the initial message.
photo attached at 40x
Thanks you.

Hans-Otto Baral, 18-01-2021 16:02

Re : Lachnellula

Sorry, I overlooked. my database lists only Dharne's collection, so I hesitate to use this name until this species and its quality is better understood.

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