Greek mikros - small, Biota - a former name for Thuja.
Quick-growing, low, spreading evergreen shrub. Foliage green becoming purplish brown. Branchlets in flattened sprays. Leaves scale-like to about 3 mm long in similar lateral and facial pairs, strongly pointed, with an often spreading, incurved tip and a gland on the back. Male and female plants usually separate. Male cones solitary, terminal. Female cones small, 3-6 mm long, spherical; scales 2-4, 1 fertile with 1 seed. Seed wingless.
1 species from the Pacific region of Russia.
Source: (1995). Cupressaceae. In: . Horticultural Flora of South-eastern Australia. Volume 1, Ferns, conifers & their allies. The identification of garden and cultivated plants. University of New South Wales Press.