Arnaldoa : revista del Herbario HAO - Herbario HAO. (Universidad Antenor Orrego de Trujillo, 2010)

Fieldiana Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1991)

Fieldiana Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1991)

Fieldiana Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1991)

Fieldiana Botany - Field Museum of Natural History. (Chicago Natural History Museum, 1991)