''Agrostis castellana'', the highland bent, dryland bent or dryland browntop, is a species of cool-season grass in the family

Poaceae Poaceae () or Gramineae () is a large and nearly ubiquitous family of monocotyledonous flowering plants commonly known as grasses. It includes the cereal grasses, bamboos and the grasses of natural grassland and species cultivated in lawns an ...

. It is native to

Macaronesia Macaronesia (Portuguese: ''Macaronésia,'' Spanish: ''Macaronesia'') is a collection of four volcanic archipelagos in the North Atlantic, off the coasts of Africa and Europe. Each archipelago is made up of a number of List of islands in the At ...

and the

Mediterranean The Mediterranean Sea is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean Basin and almost completely enclosed by land: on the north by Western and Southern Europe and Anatolia, on the south by North Africa, and on the e ...

, has been widely introduced elsewhere, and is considered an

invasive species An invasive species otherwise known as an alien is an introduced organism that becomes overpopulated and harms its new environment. Although most introduced species are neutral or beneficial with respect to other species, invasive species ad ...

in some locales. It is a

hyperaccumulator A hyperaccumulator is a plant capable of growing in soil or water with very high concentrations of metals, absorbing these metals through their roots, and concentrating extremely high levels of metals in their tissues. The metals are concentrated a ...

of zinc and lead.

References

castellana Flora of the Azores Flora of Madeira Flora of the Canary Islands Flora of Morocco Flora of Algeria Flora of Portugal Flora of Spain Flora of France Flora of Corsica Flora of Italy Flora of Yugoslavia Flora of Albania Flora of Greece Flora of Bulgaria Flora of European Turkey Flora of Turkey Flora of Syria Flora of Lebanon Plants described in 1842 {{Pooideae-stub