TY  - GEN
AU  - Campbell, Douglas Houghton,  
TI  - The structure & development of the mosses & ferns (Archegoniatae)
AV  - SPE 0817 
PY  - 1895///
CY  - London
PB  - Macmillan and co.
KW  - Plant morphology
N1  - Bibliography: p. [521]-534
ER  -