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  1. Trudy Imperatorskago S.-Peterburgskago botanicheskago sada.Acta Horti Petropolitani.
    By: Imperatorskīǐ botanicheskīǐ sad Petra Velikago
    Publication info: S.-Peterburg :Imperatorskiǐ S.-Peterburgskiǐ botanicheskiǐ sad.
    Contributed by: Missouri Botanical Garden, Peter H. Raven Library
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