Ignatova E.A.1 2001. A new species of Barbula (Pottiaceae, Musci) from Siberia // Arctoa. Vol. 10: 161–164 [in English].

1 Biological Faculty, Moscow State University, Moscow 119234 Russia

KEYWORDS: bryophytes, Barbula jacutica, new species, mosses, Yakutia.

ABSTRACT. Barbula jacutica Ignatova sp. nova is described from Ust-Maya District of Republic Sakha (Yakutia); holotype is in MHA. The new species is compared with B. eustegia Card. et Ther., from mountains of the West of North America, and Leptobarbula berica (De Not.) Schimp., a Meditterranean endemic species.

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