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[文献書誌] Yukawa, T., Miyoshi, K., yokoyama, J.: "Molecular Phylogeny and Character Evolution of Cymbidium (Orchidaceae)"Bull.Nath.Sci.Mus. Tokyo. 28. 129-139 (2002)
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[文献書誌] Yukawa, T.: "Cymbidium wadae (Orchidaceae)"Ann. Tsukuba Bot. Gard.. 21. 135-138 (2002)
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[文献書誌] Yukawa, T., Stem, W.L.: "Comparative vegetative anatomy and systematics of Cymbidium (Cymbidieae : Orchidaceae)"Bot. J. Linnean Soc.. 138. 383-419 (2002)
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[文献書誌] Kokubugata, G., Yukawa, T.: "Cytotaxonomical studies of orchidaceae from Vanuatu and its adjacent regions : II"Ann. Tsukuba Bat. Bard.. 21. 25-29 (2002)
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[文献書誌] Yukawa, T.: "Cymbidium wadae (Orchidaceae)-A new species from Thailand"Ann. Tsukuba Bot. Bard.. 21. 135-138 (2002)
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[文献書誌] Yokouchi, Y., Ieda, M., Inuzuka, Y., Yukawa, T.: "Strong emission of methyl chloride from tropical plants."Nature. 416. 163-165 (2002)
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[文献書誌] Kurashige, Y., Etoh, J-I., Hana, T., Takayanagi, K., Yukawa, T.: "Sectional relationships in the genus Rhododendron (Ericaceae) : evidence from matK and tmK intron Sequences"Plant Syst. Evol.. 228. 1-14 (2001)
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[文献書誌] Nakagawa, M., Setoguchi, H: "Chioroplast DNA polymorphisms and phytogeography of Fallopia japonica (Polygonaceae) in japanese alpine area"J. Plant Res.. 115(supplement). 27-28 (2002)
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[文献書誌] 瀬戸口浩彰: "日本の島嶼系におげる植物地理"分類. 1. 3-17 (2001)
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[文献書誌] 藤木利之, 百原新, 安田喜憲: "日本の間氷期堆積物に含まれるサルスベリ属Lagerstroemia花粉化石の形態"植生史研究. 10. 91-99 (2001)
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[文献書誌] 百原新: "東アジアの第四紀植物地理変遷とカトマンズ盆地ボーリングコアの植物化石"月刊地球. 24. 333-338 (2002)
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[文献書誌] Tokuoka, T., Tobe, H.: "Ovules and seeds in Euphorbioideae (Euphorbiaceae)"J.Plant Res.. 115. 361-374 (2002)