Catálogo de las plantas vasculares del Cono Sur : (Argentina, Sur de Brasil, Chile, Paraguay y Uruguay) - Missouri Botanical Garden. (Missouri Botanical Garden Press, 2008)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 2000)

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 1973)

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 1973)

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 1973)

Tropical America, 1967-1968 - Calderón, Cleofé E. (Cleofé Elsa), 1929 -2007 (1967)

Tropical America, 1967-1968 - Calderón, Cleofé E. (Cleofé Elsa), 1929 -2007 (1967)