日本に於ける蘚苔植物の分布域研究(第8報)続

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13. Wiesnerella denudata(MITT.)STBPH., cf. HORIKAWA 1952,Jour. Sci. Hiroshima Univ. Ser.B, 2-6 : 72 Wiesnerella denudata belongs to one of the largest thallose hepatics and is usually found in the mountainous region. The species was originally described by MITTEN as Dumortiera denudata based upon the specimen which was collected at Oriental Himalaya. STEPHANI afterwards (1899) transferred it to Wiesnerella. At present there are 161 packets of specimens of this species from various sources in our herbarium. In this paper it will be reported for the first time from the Prefectures Yamanashi (1), Fukui (2), Shimane (5), Nagasaki (1). Additional new localities of the species are the Prefectures Shizuoka (3), Mie (1), Nara (2), Wakayama (2), Hiroshima (1), Yamaguchi (1), Tokushima (4), Ehime (1), Kochi (15), Fukuoka (3), Oita (3), Kumamoto (7), Miyazaki (3), Kagoshima (1). Map 13 in the text is based on 168 locations, among which 55 are new additions and 113 were previoushly known. From the map it may it may be noticed that the northernmost limit of distribution of the species is Ichinoki-mura(37°44′L.N.)in Fukushima Prefecture, In so far as the present state of our knowledge is concerned, this species is distributed in two regions(viz. southern part of Japan and Formosa). The results of macrofrequency in each district are shown in table 14. As seen in this table, the values of macrofrequency in the districts of Japan and Formosa are generally equal, and the distribution-fall is distinct between Kiushiu and Formosa. According to our present knowledge, the highest elevation of this species is on Mt. Ishizuchi in Shikoku where it was found 1110 m above sea-level and its maximum luxuriance is in evergreen broad-leaved tree zone. Geographic distribution. Japan , Formosa, Hawaii, Java and Himalaya. [table]
日本生態学会の論文
1955-07-31

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堀川芳雄
広島大学理学部

日本に於ける蘚苔植物の分布域研究(第8報)続

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