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By: Freckmann, Robert WType: ArticleIn: PhytologiaVolume: 39Series:Issue:Date: 1978Page Range: 268--272Publication Info: Bronx Park, New York H.A. Gleason and H.N. MoldenkeSubjects:
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By: Freckmann, Robert W - Lelong, Michel GType: ArticleIn: SIDA, contributions to botanyVolume: 20Series:Issue:Date: 2002Page Range: 161--174Publication Info: [Dallas W. F. Mahler, etc.] 1962-Subjects:
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By: Freckmann, Robert WType: ArticleIn: PhytologiaVolume: 48Series:Issue:Date: 1981Page Range: 99--110Publication Info: Bronx Park, New York H.A. Gleason and H.N. MoldenkeSubjects: