Protounguicularia transiens? - Forum ASCOFrance

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Protounguicularia transiens?

Edvin Johannesen, 04-11-2025 12:43

Hi!

One more found on old Populus tremula log in Oslo, Norway. Apos 0.1-0.4 mm. Spores ca. 6-7x3-3.5 micr. with two large guttules. Hairs with glassy, amyloid tips. Some hairs with orange incrustration/resin. Asci IKI+ (blue in Lugol). Not sure about croziers.

I think it looks a lot like Protounguicularia (Olla) transiens, but both asci and spores seem to be a bit too broad. And does that species have coloured incrustations?

Some apos associated with a white anamorph (photo), but probably just a coincidence.

Are there other possibilities?

Thanks!