The Caribbean forester - Burke, Lauretta Marie (Tropical Forest Experiment Station, United States Forest Service, 1939)

The Caribbean forester - Burke, Lauretta Marie (Tropical Forest Experiment Station, United States Forest Service, 1939)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1933)

Flora of the Lesser Antilles : Leeward and Windward Islands - Proctor, George R (Arnold Arboretum, Harvard University, 1979)

North American flora - New York Botanical Garden (New York Botanical Garden, 1938)

Das Pflanzenreich :regni vegetablilis conspectus - Engler, Adolf, 1844 -1930 (W. Engelmann, 1934)

Das Pflanzenreich :regni vegetablilis conspectus - Engler, Adolf, 1844 -1930 (W. Engelmann, 1934)

Repertorium specierum novarum regni vegetabilis Beihefte (Verlag des Repertoriums, 1919)

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 2012)

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 2012)

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 2012)

Smithsonian year - Smithsonian Institution (Smithsonian Institution, 1975)