TY  - BOOK
AU  - Jaques,H.E.
TI  - Plant families, how to know them: pictured-keys for determining the families of nearly all of the members of the entire plant kingdom 
T2  - Pictured-key nature series
U1  - 580.12 
PY  - 1949///
CY  - Dubuque, Iowa
PB  - W. G. Brown Co.
KW  - Plants
KW  - Identification
N1  - "Some helpful books": p. 4-5
ER  -