Campylopus umbellatus (Arn.) Paris is collected in southern part of Kamchatka Peninsula,
Russian Far East. This locality is far beyond the main range of this species,
that was known before northward to Korea and Japan (south of Honshu). The
species grows on three thermal fields near Pauzhetka, on slopes of Kambalnyj
Range and in a valley of Pauzhetka River. Campylopus is growing in
places where the temperature of soil is quite hot, (+17-)30–50(-65)°C at the depth of 5 cm. Description,
illustrations, and ecological data are provided.