TY  - BOOK
AU  - Nicholson,B.E
TI  - The Oxford book of flowerless plant: ferns, fungi, mosses and liverworths, lichens and seaweeds 
SN  - 0199100047
PY  - 1966///
CY  - Oxford
PB  - Oxford University Press
KW  - Cryptogams
KW  - Great Britain
KW  - Botany
N1  - Includes bibliography and indexes
ER  -