| Annals of the Tsukuba Botanical Garden | date of publication | 
	
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		| Annals of the Tsukuba Botanical Garden Volume 20 | December 2001 | 
	 
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	  |  | MOMOHARA, Arata, Koichi UEHARA, Toshiyuki FUJIKI and Norio TANAKA: | P.1 | 
	
		|  | Distribution and Preservation of Seed Bank in Lake Sediment of Teganuma, Chiba, Central Japan |  | 
	 
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	  |  | IWASHINA, Tsukasa: | P.11 | 
	
		|  | Flavonoids and Their Distribution in Plant Families Containing the Betalain Pigments (Review) |  | 
	 
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