''Acanthocarpus'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

in the

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Asparagaceae Asparagaceae (), known as the asparagus family, is a family of flowering plants, placed in the order Asparagales of the monocots. The family name is based on the edible garden asparagus, '' Asparagus officinalis''. This family includes both ...

, subfamily

Lomandroideae Lomandroideae is a subfamily of monocot flowering plants in the family Asparagaceae, order Asparagales, according to the APG III system of 2009. The subfamily name is derived from the generic name of the type genus, '' Lomandra''. The group has ...

, in the

APG III system The APG III system of flowering plant classification is the third version of a modern, mostly molecular-based, system of plant taxonomy being developed by the Angiosperm Phylogeny Group (APG). Published in 2009, it was superseded in 2016 by a f ...

of classification. It has been difficult to place at family rank, being placed at various times in

Dasypogonaceae Dasypogonaceae is a family of flowering plants based on the type genus '' Dasypogon'', one that has traditionally not been commonly recognized by taxonomists; the plants it contains were usually included in the family Xanthorrhoeaceae. If valid ...

as well as the

. The entire genus is endemic to the

State State most commonly refers to: * State (polity), a centralized political organization that regulates law and society within a territory **Sovereign state, a sovereign polity in international law, commonly referred to as a country **Nation state, a ...

Western Australia Western Australia (WA) is the westernmost state of Australia. It is bounded by the Indian Ocean to the north and west, the Southern Ocean to the south, the Northern Territory to the north-east, and South Australia to the south-east. Western Aust ...

.Kew World Checklist of Selected Plant Families
/ref> Species include: *'' Acanthocarpus canaliculatus'' A.S.George *'' Acanthocarpus humilis'' A.S.George *'' Acanthocarpus parviflorus'' A.S.George *''

Acanthocarpus preissii ''Acanthocarpus preissii'' is a rhizomatous perennial flowering plant in the family Asparagaceae. It occurs on coastal dunes in Western Australia Western Australia (WA) is the westernmost state of Australia. It is bounded by the Indian Ocea ...

'' Lehm. *'' Acanthocarpus robustus'' A.S.George *'' Acanthocarpus rupestris'' A.S.George *'' Acanthocarpus verticillatus'' A.S.George Formerly included species: *''Acanthocarpus fimbriatus - Chamaexeros fimbriata'' *''Acanthocarpus mucronatus - Lomandra mucronata'' *''Acanthocarpus serra - Chamaexeros serra''

References

Asparagaceae genera Endemic flora of Australia Taxa named by Johann Georg Christian Lehmann {{Asparagaceae-stub