TY  - BOOK
AU  - Dressler,Robert L.
TI  - The orchids: natural history and classification 
SN  - 0674875257
U1  - 584/.15 19
PY  - 1981///
CY  - Cambridge, Mass.
PB  - Harvard University Press
KW  - Orchids
KW  - Classification
KW  - Botany
N1  - Includes index; Bibliography: p. [281]-305
ER  -