Hypoxis cavernicola M.D.Barrett (Hypoxidaceae) and Lomandra acicularis M.D.Barrett (Asparagaceae) are described as new species endemic to the north-west Kimberley region of Western Australia. The status of Borya species in north-western Australia is reviewed. Borya stenophylla M.D.Barrett (Boryaceae) is described as a new species restricted to the Synnot Range in the West Kimberley. Borya jabirabela Churchill is restricted to western Arnhem Land in the Northern Territory, while the circumscription of the Kimberley endemic Borya subulata C.A.Gardner is broadened to include Kimberley specimens previously assigned to B. jabirabela. All new species are illustrated and amendments to existing keys presented.