TY  - BOOK
AU  - Babock,Ernest Brown
AU  - Navashin,Michael S.
TI  - The genus Crepis / 
U1  - 583.55 
PY  - 1930///
CY  - 
PB  - Gravenhage, 
KW  - Crepis
KW  - Heredity
N1  -  Includes bibliographical references (p. 84-86)
ER  -