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Hyaline asco on fir needles
Francois Guay,
16-05-2025 05:47
I found this super tiny hyaline asco on fir needles today in Quebec,Canada. Asci 8 spored, dextrinoid tip in IKI
Spores 21,3-24,35 × 6,1-7,75 µm with up to 3 septa
iNat link for photos: https://www.inaturalist.ca/observations/281311665
Does anyone know what it is?
Thank you
François Guay
iNat link for photos: https://www.inaturalist.ca/observations/281311665
Does anyone know what it is?
Thank you
François Guay
Hans-Otto Baral,
16-05-2025 09:31
Re : Hyaline asco on fir needles
What a nice fungus! I have nothing in my database on conifer needles with such a spore size.
The IKI reaction is hemiamyloid, not dextrinoid. After KOH you will get a blue reaction.
I have no idea about a genus. The paraphyses seem to exlude Allophylaria.
Francois Guay,
16-05-2025 19:19
Re : Hyaline asco on fir needles
Thank you for the precision Zotto! Once again, a mysterious fungi. I will try to sequence it and keep you updated.
Khomenko Igor,
19-05-2025 04:26
Re : Hyaline asco on fir needles
I don't have idea about the species, but I've seen it on Tsuga canadensis needles. (https://inaturalist.ca/observations/157406568).
I also found very much the same species in Zotto's folder in Durella group - spruce needles.
I also found very much the same species in Zotto's folder in Durella group - spruce needles.
Hans-Otto Baral,
19-05-2025 06:47
Re : Hyaline asco on fir needles
Ha! This way it must go, my head is too small to keep the overview. I put them together and leave them in Durella.
Francois Guay,
19-05-2025 23:03
Re : Hyaline asco on fir needles
Thank you, Igor. I re-examined my collection and I think mine also grows on Tsuga canadensis needles, not fir. Did you have your collection sequenced? I’ll try to send mine.
Khomenko Igor,
20-05-2025 01:02
Re : Hyaline asco on fir needles
No Francois, I didn't sequenced it. I had only one needle with these cups and I've used them all for my microscopy.