- Science of cell structure and function.
- The structure, functions and life processes of plants cells.
Cell Biology
- Study the structures and functions of important biological molecules such as proteins and nucleic acid.
Plant Molecular Biology
Study of algae
Phycology
- The study of fungi
Mycology
Study of ferns and their relatives
Pteridology
- The study of bacteria
Bacteriology
- Study of mosses and liverwort
Bryology
- Study of modern and fossil pollen and spores
Palynology
- Study of fossil plants.
Paleobotany
- Deals with the diseases of plants economic botany deals with plants of practical use to humankind
Plant Pathology