Ignatov M.S.1, Cherdantseva V.Ya.2 1995. The families Cryphaeaceae, Leucodontaceae and Leptodontaceae (Musci) in Russia // Arctoa. Vol.4: 65–104 [in English].

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

2 Institute of Biology and Soil Science, 100-Letiya Vladivostoka Street, 159, Vladivostok, 690022, Russia

KEYWORDS: taxonomy, bryophytes, mosses, Cryphaeaceae, Leucodontaceae, Leptodontaceae, Russia, new species, Cryphaea.

ABSTRACT. Three families of the Russian moss flora are described and illustrated. Leptodontaceae includes Leptodon snithii and 5 species of Forsstroemia (F. japonica, F. cryphaeoides, F. stricta, F. trichomitra and F. noguchi). F. stricta Lazarenko is considered as an endemic of Russian Far East; this species is very close to pan-subtropical F. producta. Endotome segments are found in F. japonica. Cryphaeaceae includes 2 species of Cryphaea, both known in Russia by the single collection - C. heteromalla is known from Northern Caucasus, C. amurensis Ignatov sp. nov. is described from Khabarovsk Territory, Far East. Leucodontaceae includes Dozya japonica, Antitrichia curtipendula and 5 species of Leucodon (L. sciuroides, L. immersus, L. coreense, L. pendulus and L. flagellare). Sporophytes of L. flagellare are described for the first time.

doi 10.15298/arctoa.04.08

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