המועדפים של valeriidarmostuk

On stones in a stream bed

Darker grey thalli. Pale grey - Verrucaria praetermissa (https://www.inaturalist.org/observations/56530344). On an old tyre laying in a stream bed.

Pale grey thalli. Darker grey - Verrucaria hydrela (https://www.inaturalist.org/observations/56530177). On an old tyre laying in a stream bed.