Icones Orchidacearum Peruviarum /

by Bennett, David Edward 1923-2009
Published 1993

Orchids of Peru /

by Dodson, Calaway Homer 1928-2020
Published 1989

Machu Picchu, orchids : a manual to the orchids of the Machu Picchu historical sanctuary /

by Christenson, Eric Alston 1956-2011
Published 2003

Machu Picchu, orquídeas : manual de las orquídeas del Santuario Histórico de Machu Picchu /

by Christenson, Eric Alston 1956-2011
Published 2003