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The Pteridophytes of Kansas, Nebraska, South Dakota, and North Dakota, U.S.A.

Aleta Jo Petrik-Ott

出版	J. Cramer, 1979
主題	Nature / Plants / GeneralScience / Life Sciences / Botany
ISBN	37682546159783768254618
URL	http://books.google.com.hk/books?id=X8EgAQAAIAAJ&hl=&source=gbs_api