Nantiya Vaddhanaphuti A field guide to the wild orchids of Thailand - 2nd and enl. ed. - Chiang Mai : Silkworm, 1997 - 158 p. Subjects--Topical Terms: ORCHIDS--INDENTIFICATION--THAILANDORCHIDS--PICTORIAL WORKS--THAILAND LC Class. No.: QK495 .O64 / N367F 1997