Genus Calocedrus is commonly known as the incense cedar and has been a popular ornamental plant in many gardens. This genus is a part of the cypress family and belongs to the coniferous trees. There are several synonyms for the word 'Genus Calocedrus', including Libocedrus, Widdringtonia, and Xanthocyparis. Libocedrus is a small genus of evergreen conifers, mostly found in New Zealand and New Caledonia. Widdringtonia is a genus of trees and shrubs native to Africa and Madagascar. Xanthocyparis is a genus of trees in the cypress family, native to North America, and commonly known as the Cupressus. Although these species share similar characteristics, there are distinct differences between them that make them unique and interesting for nature enthusiasts.