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   Agrostis gigantea (grass)
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         Interim profile, incomplete information
    Taxonomic name: Agrostis gigantea Roth.
    Synonyms: Agrostis alba alba Linnaeus, Agrostis alba auct. non L., Agrostis gigantea Roth var. dispar (Michx.) Philipson, Agrostis nigra With., Agrostis stolonifera L. ssp. gigantea (Roth) Schübl. & G. Martens, Agrostis stolonifera L. var. major (Gaudin) Farw.
    Common names: agróstide blanca (Spanish), agrostide blanche (French), agrostide géante (French), agróstide mayor (Spanish), black bent, black bent grass, bonnet grass, fiorin, Fioringras (German), pasto quila (Spanish), redtop, Riesenstraußgras (German), water bentgrass, weiße Straußgras (German)
    Organism type: grass
    Agrostis gigantea commonly known as redtop, is reported to be weedy or invasive in some states in the USA and provinces in Canada. Native to temperate and tropical Asia, parts of Europe and North Africa, it was introduced for use as turf or lawn grass, as a fodder and forage species or for erosion control and revegetation purposes. Its impacts include displacement of native species in habitats where it is not managed properly.
    Occurs in:
    range/grasslands, riparian zones, wetlands
    General impacts
    Agrostis gigantea impacts include displacement of native species in habitats where it is not managed properly. It also hybrises easliy and numerous non-typical plants can be found in most populations (Tilley et al 2010).
    Uses
    Agrostis gigantea is used as a lawn/turf grass, for revegetation purposes and for erosion control. It is also used as a fodder and forage species (USDA-ARS, 2010)
    Geographical range
    Native range: Temperate and tropical Asia and Europe (USDA-ARS, 2010)
    Known introduced range: United States; Canada; Greenland (USDA-NRCS, 2010)
    Management information
    It is recommended not to use Agrostis gigantea for revegetation in habitats that being considered for revegatation by native species (Tilley et al 2010).
    Reproduction
    Agrostis gigantea can be established by seed, sprigs, or sod (Tilley et al 2010).
    Compiled by: IUCN SSC Invasive Species Specialist Group (ISSG) with support from the Overseas Territories Environmental Programme (OTEP) project XOT603, a joint project with the Cayman Islands Government - Department of Environment
    Last Modified: Friday, 16 May 2008


ISSG Landcare Research NBII IUCN University of Auckland