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A Flora of the northern and middle stations of the United States; or, a systematic arrangement and description of all the plants hitherto discovered in the United States north of Virginia. vol. 1
John Torrey
出版T. and A. Swords, 1824
URLhttp://books.google.com.hk/books?id=OPcd6fD88g8C&hl=&source=gbs_api
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