To the knowledge of liverwort diversity in Badzhal range (Khabarovsk Territory, Russian Far East)
V. A. Bakalin,
K. G. Klimova
Abstract:Badzhal Range is the southernmost tip of the continuous mountainous landscapes stretching from Northeast Asia along the western coast of the Sea of Okhotsk. Besides, this is the southeast corner where ranges along Sea of Okhotsk contact with the great mountain systems of East Siberia. It is also the northern edge of the transitional zone between East Asian and Circumboreal Floristic Regions. The present study was carried out in the southeast part of the Badzhal Range and revealed 116 liverwort taxa (114 specie… Show more
The distribution of Bazzania in Pacific Asia excluding Malesia is surveyed. The taxonomic diversity in this genus increases from North to South, while the regional taxonomic composition of Bazzania is rather gradually changes and compared regions are distributed strictly along a latitudinal gradient on the DCA scatter plot. Particular attention is paid to the distribution of Bazzania in Vietnam, for which considerable data were obtained in recent decade. A list of Bazzania of Pacific Asia is provided with distribution by country, as well as more detailed species list for this genus in Vietnam. The world centers of Bazzania species diversity are located in Malesia and Melanesia, where the former is adjacent to Pacific Asia in the northwest. Bazzania siamensis comb. nov. is proposed, the species is treated as different from B. pearsonii with which it was synonymized before. A description and photographs of the species based on lectotype are provided.
The distribution of Bazzania in Pacific Asia excluding Malesia is surveyed. The taxonomic diversity in this genus increases from North to South, while the regional taxonomic composition of Bazzania is rather gradually changes and compared regions are distributed strictly along a latitudinal gradient on the DCA scatter plot. Particular attention is paid to the distribution of Bazzania in Vietnam, for which considerable data were obtained in recent decade. A list of Bazzania of Pacific Asia is provided with distribution by country, as well as more detailed species list for this genus in Vietnam. The world centers of Bazzania species diversity are located in Malesia and Melanesia, where the former is adjacent to Pacific Asia in the northwest. Bazzania siamensis comb. nov. is proposed, the species is treated as different from B. pearsonii with which it was synonymized before. A description and photographs of the species based on lectotype are provided.
Kurzia and Lepidozia are revised for the Russian Far East. The identification keys, morphological descriptions, line drawings and lifetime photographs of species, ecological conditions and the clarified distribution within the region are provided. In general, the Russian Far East seems too cold region for high taxonomic diversity of the members of the family; nevertheless, the taxonomic diversity of Lepidoziaceae here is higher than in other regions of Russia.
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