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N. L.  Britton and Wilson, P., Scientific survey of Porto Rico and the Virgin Islands 6 (suppl.). New York: Published by the academy, 1930.

E.  Blatter, ?Revision of the flora of the Bombay Presidency?, Journal of the Bombay Natural History SocietyJournal of the Bombay Natural History Society, vol. 34, pp. 291-294, 1930.

H. D.  Barker and Dardeau, W. S., La flore d'Haiti. Port-au-Prince: Haiti, 1930.

R. E.  Fries, ?Revision der Arten einiger Anonaceen-Gattungen I?, Acta Horti Bergiani, vol. 10, pp. 1-128, 1930.