Journal of the Arnold Arboretum. v.20 (1939)

Parts

  1. Proposed amendments to the international rules of botanical nomenclature
    By: Rehder, A
    Type: Article
    In: Journal of the Arnold Arboretum
    Volume: 20
    Date: 1939
    Page Range: 269--277
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  2. The firs of Mexico and Guatemala
    By: Rehder, A
    Type: Article
    In: Journal of the Arnold Arboretum
    Volume: 20
    Date: 1939
    Page Range: 281--287
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  3. Papuan grasses collected by L. J. Brass, II
    By: Chase, A
    Type: Article
    In: Journal of the Arnold Arboretum
    Volume: 20
    Date: 1939
    Page Range: 304--316
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  4. Studies in the Boraginaceae, XIII. New or otherwise noteworthy species chiefly from the western United States
    By: Johnston, I M
    Type: Article
    In: Journal of the Arnold Arboretum
    Volume: 20
    Date: 1939
    Page Range: 375--402
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