''Lepidosperma angustatum'' is a sedge of the family

Cyperaceae 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'' w ...

that is native to

Western Australia Western Australia (commonly abbreviated as WA) is a state of Australia occupying the western percent of the land area of Australia excluding external territories. It is bounded by the Indian Ocean to the north and west, the Southern Ocean to th ...

. The rhizomatous sedge typically grows to a height of and to about wide. In Western Australia it is found along the coast on steep slopes as two separate populations in the Peel and Great Southern regions where it grows in sandy-clay-loam soils over or around

granite Granite () is a coarse-grained (phaneritic) intrusive igneous rock composed mostly of quartz, alkali feldspar, and plagioclase. It forms from magma with a high content of silica and alkali metal oxides that slowly cools and solidifies undergro ...

References

Plants described in 1810 Flora of Western Australia angustatum Taxa named by Robert Brown (botanist, born 1773) {{Australia-plant-stub