TY  - BOOK
AU  - Dressler, Robert L. ,1927-
TI  - The orchids : natural history and classification
SN  - 0674875257
AV  - QK495.O64D69 
PB  - Harvard University Press
KW  - Orchids
KW  - Orchids -- Classification
KW  - Botany -- Classification
KW  - QK
N1  - Bibliography: p. [281]-305
ER  -