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Journal Article The Families of Flowering Plants. Vol. I, Dicotyledons. Vol. II, Monocotyledons Get access The Families of Flowering Plants. Vol. I, Dicotyledons. Vol. II, Monocotyledons. Hutchinson J. . 2nd ed. , 792 pp. , illus. Oxford University Press, London. (1959) 23. 55. Charles B. Heiser, Jr. Charles B. Heiser, Jr. Department of Botany, Indiana University. Search for other works by this author on: Oxford Academic Google Scholar AIBS Bulletin, Volume 10, Issue 3, June 1960, Page 38, https: //doi. org/10. 2307/1292633 Published: 01 June 1960
Heiser et al. (Wed,) studied this question.