Camptochaete arbuscula is a species of moss found in New Zealand and Australia.

Camptochaete arbuscula is a robust moss with light green or straw-coloured leaves, 2 mm long, concave, with a faint, double leaf vein.

The sporophytes are produced on the lower sides of the fronds.

[2] It occurs as an epiphyte on logs in moist forests.

In Australia, collections have been made in Queensland, New South Wales, Victoria, and Tasmania.