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By: Smith, Edgar F - Knerr, Ellsworth Brownell, - Hoskinson, W S - Ehrenfeld, Charles HType: ArticleIn: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledgeVolume: 24Series:Issue: 126Date: 1887Page Range: 428--434Publication Info: Philadelphia, American Philosophical Society,Subjects:
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By: Knerr, Ellsworth Brownell,Type: CorrespondenceIn: Asa Gray correspondence. Senders KVolume:Series:Issue:Date: 1891-05-08Page Range:Publication Info: [1842-1891]Subjects:
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By: Knerr, Ellsworth Brownell,Type: ArticleIn: Botanical gazetteVolume: 17Series:Issue: 10Date: 1892Page Range: 326--328Publication Info: Hanover, Ind, [publisher not identified], 1876-1991Subjects: