Cupressus funebris Endl. is a tall tree belonging to the genus Cupressus in the family Cupressaceae; The bark is light brownish gray; The small branches are slender and drooping, green in color; Older branches cylindrical, dark brownish purple; Male bulbous flowers are elliptical or oval in shape, while female bulbous flowers are nearly spherical; The cone is round in shape and dark brown when ripe; The seeds are wide inverted egg shaped, diamond shaped or nearly circular, flat, light brown when ripe, shiny, with narrow wings on the edges; The flowering period is from March to May, and the seeds mature from May to June of the second year. Cypress and pine are often referred to as the longest among all trees. Wang Anshi's "Zishuo" explains Bai Yun: "Bai is still like Bo, so the character is Bai." Therefore, it is called Baimu.

Juniperus rigida Siebold&Zucc. is an evergreen shrub or small tree in the family Cupressaceae, belonging to the genus Juniperus. It can grow up to 10 meters tall and has a cylindrical crown with a round head when old. Large branches stand upright, small branches droop. Its leaves are spike shaped, hard, and pointed, with deep grooves on top and a narrow white powder band inside the groove. There are obvious longitudinal ridges on the back. The cone, when ripe, appears light brownish yellow or blue black and is coated with white powder. The seed is nearly oval in shape, with a pointed tip and four inconspicuous ridges.