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  1. Schilderung der deutschen Pflanzenfamilien : vom botanisch- descriptiven und physiologisch-chemischen Standpunkte / von Hermann Hoffmann.
    By: Hoffmann, Hermann.
    Publication info: Giessen :G.F. Hener's Verlag,1846.
    Contributed by: Mertz Library, The New York Botanical Garden
    BHL Collections: New York Botanical Garden
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  2. Schilderung der deutschen Pflanzenfamilien; vom botanisch-descriptiven und physiologisch-chemischen Standpunkte.
    By: Hoffmann, Hermann.
    Edition: 2. Ausg.
    Publication info: Mainz,Wirth,1851.
    Contributed by: Mertz Library, The New York Botanical Garden
    BHL Collections: New York Botanical Garden
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  3. Zur Speciesfrage.
    By: Hoffmann, Hermann.
    Publication info: Haarlem :De Erven Loosjes,1875.
    Contributed by: Cambridge University Library
    BHL Collections: Charles Darwin's Library
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  4. Zur Speciesfrage. : [Supplementary material in Charles Darwin's copy].
    By: Darwin, Charles, - Hoffmann, Hermann.
    Contributed by: Cambridge University Library
    BHL Collections: Charles Darwin's Library
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