Dangos 1 - 2 canlyniadau o 2 ar gyfer chwilio 'International Congress of Botany', amser ymholiad: 0.01e Mireinio'r Canlyniadau
  1. 1

    Proceedings of the seventh international botanical congress.

    Cyhoeddwyd 1950
    Llyfr

    Proceedings of the seventh international botanical congress.
  2. 2

    International rules of botanical nomenclature formulated by the International Botanical Congresses of Vienna, 1905, Brussels, 1910, Cambridge, 1930 ; adopted and revised by the Int... gan Camp, Wendell Holmes 1904-

    Cyhoeddwyd 1948
    Llyfr

    International rules of botanical nomenclature formulated by the International Botanical Congresses of Vienna, 1905, Brussels, 1910, Cambridge, 1930 ; adopted and revised by the International Botanical Congress of Amsterdam, 1935

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