Adansonia - Muséum national d'histoire naturelle (France) (Muséum d'histoire naturelle, Laboratoire de Phanérogamie, 1967)

Botanical publications of E.D. Merrill - Merrill, Elmer D. (Elmer Drew), 1876 -1956 (1899)

An enumeration of Philippine flowering plants - Merrill, Elmer D. (Elmer Drew), 1876 -1956 (Bureau of Printing, 1922)

Familiarum naturalium regni vegetabilis synopses monographicae; seu, Enumeratio omnium plantarum hucusque detectarum secundum ordines naturales, genera et species digestarum, additis diagnosibus, synonymis, novarumque vel minus cognitarum descriptionibus - Roemer, Max J. (Landes-Industrie-Comptoir, 1846)

Flora de Filipinas - Blanco, Manuel, 1778 -1845 (Estab. tip. de Plana y ca, 1879)

Flora de Filipinas :segun el sistema sexual de Linneo - Sanchez, D. Miguel. (Impr. de M. Sanchez, 1845)

Flora Malesiana Series I Spermatophyta - Kebun Raya Indonesia. (Noordhoff-Kolff, 1972)

New or noteworthy Philippine plants ... - Merrill, Elmer D. (Elmer Drew), 1876 -1956 (Bureau of Public Printing, 1904)

The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1915)

The Philippine journal of science - Philippines. National Science Development Board. (Bureau of Science, 1915)

Umbelliferae, Aizoaceae, Molluginaceae Passifloraceae - Muséum national d'histoire naturelle (France) (1967)