Catalogue of the flowering plants and gymnosperms of Peru = Catálogo de las angiospermas y gimnospermas del Perú - Brako, Lois, 1950 - (Missouri Botanical Garden, 1993)

Catalogue of the vascular plants of Ecuador = Catálogo de las plantas vasculares del Ecuador - González, Amada Pedroni. (Missouri Botanical Garden Press, 1999)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 2007)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 2007)

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 2011)

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 2011)

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 2011)