Arnaldoa : revista del Herbario HAO - Herbario HAO. (Universidad Antenor Orrego de Trujillo, 2016)

Arnaldoa : revista del Herbario HAO - Herbario HAO. (Universidad Antenor Orrego de Trujillo, 2017)

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

Checklist of CITES Species and Annotated CITES Appendices and Reservations - Inskipp, Tim (CITES Secretariat, UNEP-WCMC, 2005)

Checklist of CITES Species: a reference to the appendices to the Convention on International Trade in Endangered Species of Wild Fauna and Flora (2003)

Plant explorations : ornamentals in Italy, southern France, Spain, Portugal, England, and Scotland - Meyer, Frederick G. (Frederick Gustav), 1917 -2006 (U. S. Dept. of Agriculture in cooperation with Longwood Gardens of the Longwood Founcation, 1959)