| 1 | |
| 2 | |
| Language: | English |
| 3 | Observation on the aquatic angiosperms of Malabar, North Kerala |
| 4 | Morphologic and taxonomic studies of malvaceae of Southern Penisular India |
| Language: | English |
| 5 | |
| 6 | Taxonomic studies on medicinal herbs used in ayurveda with special reference to Kerala |
| Language: | English |