Fernando, M. Wijesundara, S. Fernando, S. Orchids of Sri Lanka(a conservationist's companion):a simplified guide to identification,vol.1:the protected orchids and selected similar species - IUCN 2003 - x,147 - Orchidaceae Sri Lanka Protected orchids ISBN: 955-8177-23-7 Nat. Bib. No.: P 3028 Nat. Bib. Agency Control No.: 582.59(548.7)FER Subjects--Topical Terms: Biological Sciences Universal Decimal Class. No.: 582.59(548.7) 1