Não informado. (1956). Index to plant chromosome numbers. International Bureau for Plant Taxonomy and Nomenclature.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Index to Plant Chromosome Numbers. Utrecht, Holanda: International Bureau for Plant Taxonomy and Nomenclature, 1956.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Index to Plant Chromosome Numbers. International Bureau for Plant Taxonomy and Nomenclature, 1956.
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