Czernyadjeva I.V.1, Ignatov M.S.2, Milyutina I.A.3 2010. A new variety of Rhytidiadelphus japonicus (Hylocomiaceae, Bryophyta) from Kamchatka // Arctoa. Vol. 19: 171–174 [in English].

1 Komarov Botanical Institute of Russian Academy of Sciences, Prof. Popov str., 2, St. Petersburg, 197376 Russia; e-mail:

2 Tsitsin Main Botanical Garden of Russian Academy of Sciences, Botanicheskaya 4, Moscow 127276 Russia; e-mail:

3 Belozersky Institute of Physico-Chemical Biology, Moscow State University, Moscow 119234 Russia; e-mail:

KEYWORDS: Hylocomiaceae, ITS, Kamchatka, mosses, new variety, Rhytidia­delphus, Russia, taxonomy, trnL-F.

ABSTRACT. Rhytidiadelphus japonicus var. kamchaticus Czernyadjeva & Ignatov is described. The species has in general more southern distribution, and this is the first finding in Kamchatka, where plants are different in a number of characters, although identical with R. japonus var. japonicus by nr ITS and cp trnL-F sequences.

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doi 10.15298/arctoa.19.15