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By: Hammer, SamuelType: ArticleIn: RhodoraVolume: 99Series:Issue:Date: 1997Page Range: 23--32Publication Info: [Cambridge, Mass., etc.] New England Botanical Club [etc.]Subjects:
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By: Hammer, SamuelType: ArticleIn: Lichenographia Thomsoniana : North American lichenology in honor of John W. ThomsonVolume:Series:Issue:Date: 1998Page Range: 5--19Publication Info: Ithaca, NY, Mycotaxon, Ltd, 1998Subjects:
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By: Hammer, SamuelType: ArticleIn: RhodoraVolume: 103Series:Issue:Date: 2001Page Range: 405--415Publication Info: [Cambridge, Mass., etc.] New England Botanical Club [etc.]Subjects:
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By: Hammer, SamuelType: ArticleIn: RhodoraVolume: 104Series:Issue:Date: 2002Page Range: 96--99Publication Info: [Cambridge, Mass., etc.] New England Botanical Club [etc.]Subjects:
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By: Hammer, SamuelType: ArticleIn: Madroño; a West American journal of botanyVolume: 36Series:Issue:Date: 1989Page Range: 169--174Publication Info: Berkeley California Botanical SocietySubjects:
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By: Hammer, SamuelType: ArticleIn: RhodoraVolume: 99Series:Issue:Date: 1997Page Range: 287--301Publication Info: [Cambridge, Mass., etc.] New England Botanical Club [etc.]Subjects: