1. Apical meristem: Found at the tips of stems and roots, this type of meristem is responsible for primary growth and increases the length of the plant.
2. Intercalary meristem: Found at the base of leaves and nodes, this type of meristem is responsible for secondary growth.
3. Lateral meristem: Found in the vascular cambium and cork cambium of plants, this type of meristem is responsible for increasing the girth of the plant.
4. Interfascicular meristem: Found between the vascular bundles of dicotyledonous plants, this type of meristem is responsible for the growth of secondary phloem and xylem.