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	title = {Aquatic plant surveys in Asia, Australasia, Europe and N. America},
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	year = {2013},
	pages = {45-58},
	author = {Ito, Yu}
}
@article {6,
	title = {Hybridization and polyploidy of an aquatic plant, Ruppia (Ruppiaceae), inferred from plastid and nuclear DNA phylogenies},
	journal = {American journal of botany},
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	year = {2010},
	pages = {1156{\textendash}1167},
	doi = {10.3732/ajb.0900168},
	url = {https://doi.org/10.3732/ajb.0900168},
	author = {Ito, Yu and Ohi-Toma, Tetsuo and Murata, Jin and Tanaka, Norio}
}
