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  1. By: Focke, Wilhelm Olbers,
    Holding Institution: Missouri Botanical Garden, Peter H. Raven Library
    BHL Collections: Engelmann Papers, Missouri Botanical Garden
  2. By: Focke, Wilhelm Olbers,
    Publication info: Berlin, Gebrüder Borntrager, 1881
    Holding Institution: Harvard University Botany Libraries
  3. By: Focke, Wilhelm Olbers,
    Publication info: Stuttgart, E. Schweizerbart, 1910-14
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
  4. By: Focke, Wilhelm Olbers,
    Publication info: Stuttgart : E. Schweizerbart'sche Verlagsbuchhandlung. Nägele & Dr. Sproesser, 1910
    Holding Institution: Biblioteca Digital del Real Jardín Botánico de Madrid
  5. By: Focke, Wilhelm Olbers,
    Publication info: Stuttgart : E. Schweizerbart'sche Verlagsbuchhandlung. Nägele & Dr. Sproesser, 1911
    Holding Institution: Biblioteca Digital del Real Jardín Botánico de Madrid
  6. By: Focke, Wilhelm Olbers,
    Publication info: Stuttgart : E. Schweizerbart'sche Verlagsbuchhandlung. Nägele & Dr. Sproesser, 1911
    Holding Institution: Biblioteca Digital del Real Jardín Botánico de Madrid
  7. By: Focke, Wilhelm Olbers,
    Publication info: Bremen : C. Ed. Müller Verlagsbuchhandlung, 1877
    Holding Institution: Biblioteca Digital del Real Jardín Botánico de Madrid
  1. By: Focke, Wilhelm Olbers,
    Type: Article
    In: Naturwissenschaftliche Wochenschrift
    Volume: 10
    Series: n.f.
    Issue: 19
    Date: 1911
    Page Range: 289-292
    Publication Info: Jena [etc.], G. Fischer [etc.],