TY  - BOOK
AU  - Rydberg,Per Axel
TI  - The American species of Limnorchis and Piperia, north of Mexico,
T2  - Contributions from the New York botanical garden
AV  - QK1 .N515 no. 19
PY  - 1901///
CY  - New York
KW  - Limnorchis
KW  - Piperia
KW  - Orchids
KW  - North America
N1  - Reprinted from the Bulletin of the Torrey botanical club 28, 25 Nov., 1901
ER  -