TY  - GEN
AU  - De Fonseka , R.N.
AU  - Gangeswaran , R. 
AU  - Pathirana , P.S.K.
TI  - Plant diversity part III: bryophytes and pteridophytes
U1  - 588 
PY  - 1984///
CY  - Nugegoda
PB  - Open University
KW  - Bryophytes
KW  - Plant Diversity
ER  -