Fascicular, interfascicular and extra-stelar cambium together constitutes
a)	Ground meristem	b)	Apical meristem	c)	Intercalary meristem	d)	Lateral meristem

(d)

Lateral meristem is that meristem, which occur on the sides and helpful in increasing width of stem and root. They divide mainly in one plane (periclinal), increasing the diameter of an organ, e.g., cambium (fascicular and interfascicular cambium), extra stellar cambium, cork cambium and marginal meristem of some leaves.