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By: Hassler, EType: ArticleIn: Annuaire du Conservatoire et du jardin botaniques de GenèveVolume: 21Series:Issue:Date: 1919Page Range: 109--131Publication Info: Genève, Conservatoire botanique,Subjects:
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By: Chodat, R. (Robert), - Hassler, EType: ArticleIn: Bulletin de l'Herbier BoissierVolume: 4Series: 2Issue:Date: 1904Page Range: 879--909Publication Info: Genève, Impr. Romet, 1893-1908Subjects: