TY  - BOOK
AU  - Steward Albert N
AU  -  Dennis L R J
TI  - Aquatic plants of pacific NorthWest: with vegetative keys
T2  - Orgeon state monographs; 11
U1  - I955:12.93, K3 
PY  - 1963///
CY  - Corvallis
PB  - Oregon State University Press      
KW  - Botany
N1  - Glossary 237-243p
ER  -