What are the different areas of specialization in botany?

What are the different areas of specialization in botany?

There is various area of specialization present in Botany. Some of them are as follows:
- Plant Ecology.
- Economic Botany.
- Ecosystem Ecology.
- Paleo Botany.
- Plant – Animal Interactions.
- Cell Biology.
- Genetics.
- Global Change Biology.
- Plant Ultrastructure.
- Plant Anatomy.
- Plant Molecular Biology.
- Plant Physiology.
- Plant Systematics.
- Field Biology.
- Plant Reproduction Biology.
- Biology Education.
- Plant Care and Cultivation.