TY  - GEN
AU  - Herat ,  Tissa R.
TI  - Tentative keys to the families and genera of pteridophytes of Sri Lanka
SN  - 9559911619
U1  - 587.05493 
PY  - 2005///
CY  - Kandy
PB  - Author Publisher
KW  - PLANT SCIENCE
KW  - BOTANY
UR  - tissaherat@yahoo.com
ER  -