Käyttäjän alfiya_kravchenko tunnistukset

It is on a bark of old elm (Ulmus densa). Spot test cortex C-; K+ yellow turned fast into yellowish-green; medula C-; K-.

It grows on Ulmus densa above Phaeophyscia orbicularis and near Ph. adscendens. Cilia are always absent.

It grows on Ulmus densa. I did not find cilia in this colonial form. It means that Physcia vitii is also possible (?)