''Caustis'' is a genus of

rhizomatous In botany and dendrology, a rhizome (; , ) is a modified subterranean plant stem that sends out roots and shoots from its nodes. Rhizomes are also called creeping rootstalks or just rootstalks. Rhizomes develop from axillary buds and grow ho ...

sedge The Cyperaceae are a family of graminoid (grass-like), monocotyledonous flowering plants known as sedges. The family is large, with some 5,500 known species described in about 90 genera, the largest being the "true sedges" genus '' Carex'' ...

s. The species, all endemic to Australia, are as follows: *''

Caustis blakei ''Caustis blakei'', also known as the koala fern, is a species of rhizomatous sedge in the family Cyperaceae. It is found exclusively in Australia in southeastern Queensland and northeastern New South Wales. It has rigid, smooth stems up to 2 m ...

'' Kuk. *''

Caustis deserti ''Caustis deserti'', commonly known as desert twig-rush, is a sedge that is native to a small area in the Goldfields-Esperance region of Western Australia Western Australia (commonly abbreviated as WA) is a state of Australia occupying the w ...

'' R.L.Barrett *''

Caustis dioica ''Caustis dioica'' is a sedge that is native to Western Australia. The monoecious and rhizomatous perennial sedge has a tangled, tussocky habit. It typically grows to a height of and a width of and has pungent smelling leaves. The plant blooms ...

'' R.Br. *''

Caustis flexuosa ''Caustis flexuosa'' is a sedge found in Australia. A graceful plant with attractive curling foliage, it grows to 120 cm high. Common names include curly wig and grandfather's beard. Flowering occurs in spring and summer. Flowers being thi ...

'' R.Br. - Curly Wig *''

Caustis gigas ''Caustis gigas'', commonly known as giant twig-rush, is a sedge that is native to Western Australia. The rhizomatous perennial sedge has a robust habit and typically grows to a height of . The plant blooms between April and May producing brown ...

'' R.L.Barrett *''

Caustis pentandra ''Caustis pentandra'', known as the thick twist rush is a widely distributed grass like plant found in many parts of Australia. It may grow to 2 metres tall, often seen in dry open forest, or moist heathland. Stems are a shiny pale green. The s ...

'' R.Br. -Thick Twist Rush *''

Caustis recurvata ''Caustis recurvata'', commonly known as curly sedge or pubic hair sedge, is a sedge of the family Cyperaceae that is native to Australia. The perennial rhizomous sedge has a spreading tufted habit and typically grows to a height and width of a ...

'' Spreng. *''

Caustis restiacea ''Caustis'' is a genus of rhizomatous sedges. The species, all endemic to Australia, are as follows: *''Caustis blakei'' Kuk. *''Caustis deserti'' R.L.Barrett *''Caustis dioica'' R.Br. *''Caustis flexuosa'' R.Br. - Curly Wig *''Caustis gigas'' ...

'' Benth.

References

Cyperaceae genera Taxa named by Robert Brown (botanist, born 1773) {{Cyperaceae-stub