Placidium umbrinum – a pyrenocarpous species new to northern Europe.
Research output: Contribution to journal › Article
Placodium umbrinum Breuss is reported as new to northern Europe from the island of Gotland, Sweden. The species is described and depicted, and its ecology at the locality on Gotland is given. A key is given for former members of the genus Catapyrenium growing on soil, mosses or bark in the Nordic countries.