Ignatova E.A.1, Samkova T.Yu.2 2006. Campylopus umbellatus (Arn.) Paris (Leucobryaceae, Musci) – a new species for Russia // Arctoa. Vol. 15: 215–218 [in English].

1 Biological Faculty, Moscow State University, Moscow 119234 Russia; e-mail: arctoa@list.ru

2 Institute of volcanology and seismology FEB RAS, Pijpa boulevard, 9, Petropavlovsk-Kamchatskij 683006 Russia; e-mail: sam.tu@mail.ru

KEYWORDS: Campylopus umbellatus, new records, Kamchatka Peninsula, Russian Far East, thermal fields, disjunctive distribution

ABSTRACT. 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.

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