Taxonomy, phytogeography and evolution : proceedings of a symposium held by the Linnean Society of London, the Botanical Society of the British Isles and the International Organisation of Plant Biosystematists, Manchester 1971 - Valentine, D. H. (David Henriques). (London : Academic Press, 1972)
Includes bibliographical references and index.
Keywords: Botany -- Variation -- Congresses; Phytogeography -- Congresses