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By: Seifriz, WilliamType: ArticleIn: The Biological bulletinVolume: 34Series:Issue:Date: 1918-05-01Page Range: 307--324Publication Info: Woods Hole, Mass Marine Biological LaboratorySubjects:
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By: Seifriz, WilliamType: ArticleIn: Botanical gazetteVolume: 70Series:Issue: 5Date: 1920Page Range: 360--386Publication Info: Hanover, Ind, [publisher not identified], 1876-1991Subjects: