F.M.Bailey Lomandra montana (common name - Blue Mountains mat-rush)[2] is a perennial, rhizomatous herb found in eastern Australia.

[2][3] This is a tufted plant with leaves from 35 - 50 cm long and 2-4 mm wide.

The male and female inflorescences are unbranched and much shorter than the leaves, and the flower clusters occur in whorls[4] It is found near creeks and waterfalls.

[5][6] In 1937 it was transferred to the genus, Lomandra, by Lilian Ross Fraser and Joyce Winifred Vickery, to give the current name.

[5][7] It was also renamed as the variety Xerotes longifolia var montana by Frederick Manson Bailey in 1912, but this name is considered to be a synonym only.