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By: Sargent, Oswald H.Type: ArticleIn: Annals of botanyVolume: 32Series:Issue:Date: 1918-04Page Range: 215--231Publication Info: London, Academic Press [etc.],Subjects:
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By: Sargent, Oswald H.Type: ArticleIn: Annals of botanyVolume: 23Series:Issue:Date: 1909-04Page Range: 265--274Publication Info: London, Academic Press [etc.],Subjects: