13 books • 2 series
Field Guide to the Pitcher Plants of Australia and New Guinea (Redfern's Field Guides to Pitcher Plants)
Field Guide to the Pitcher Plants of Sumatra and Java (Redfern's Field Guides to Pitcher Plants)
Field Guide to the Pitcher Plants of Peninsular Malaysia and Indochina (Redfern's Field Guides to Pitcher Plants)
Field Guide to the Pitcher Plants of Sulawesi (Redfern's Field Guides to Pitcher Plants)