Ignatov M.S.1, Ignatova E.A.2, Iwatsuki Z.3, Tan B.C.4 1999. Two new moss taxa from the Bureya River, Russian Far East // Arctoa. Vol.8: 59–68 [in English].

1 Tsitsin Main Botanical Garden of Russian Academy of Sciences, Botanicheskaya 4, Moscow 127276 Russia

2 Biological Faculty, Moscow State University, Moscow 119234 Russia

3 Hattori Botanical Lab., Okazaki Branch, 10-3 Mutsuna-shin-machi, Aichi-ken 444 Japan

4 School of Bioogica. Sciences, Faculty of Science, The National University of Singapore 119260 Singapore

KEYWORDS: bryophytes, new species, taxonomy, Zygodon sibiricus, Actinothuidium hookeri subsp. boreale.

ABSTRACT. The studies of extensive collections from the Upper Bureya River reveal two mosses which are describing. Zygodon sibiricus is close to Z. rupestris, but differ in presence of single peristome. It is widespread throughout the South Siberia and Russian Far East. Actinothuidium hookeri ssp. boreale differs from A. hokeri ssp. hookeri (widespread in Himalayas and Southern China) in longer leaves and the presence of central strand. This subspecies occurs in Russian Far East, North-East China (Heilongjang), Korea and Central China (Kansu and Quinhai).


doi: 10.15298/arctoa.08.08

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