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Mutations, Variations and Relationships of the Oenotheras. By D.T. MacDougal, A.M. Vail, and G.H. Shull. [With Plates.].

Daniel Trembly MacDougalAnna Murray VailGeorge Harrison Shull

出版	Carnegie institution, 1907
URL	http://books.google.com.hk/books?id=WEHGzQEACAAJ&hl=&source=gbs_api