During a study of ecosystems of the thermal
mineral springs inKamchatka Peninsula, Anthoceros agrestis Paton
(Anthocerotophyta) was found. This is
the first record of the species, as well as of the hornworts as a whole for
Kamchatka. A description of the
collection site and of the characteristic features of the species that
distinguish it from its closest morphological taxa is provided.