ðə ɡɹˈæs ɪz ɪnvˈeɪsɪv ɪnðə lˈoʊkəl ˈiːkoʊsˌɪstəmz, fˈɔːɹmɪŋ dˈɛns mˌɑːnoʊtˈɪpɪk stˈændz ðæt kɹˈaʊd ˈaʊt nˈeɪɾɪv vˌɛdʒɪtˈeɪʃən, ɹᵻdˈuːs spˈiːsiːz daɪvˈɜːsᵻɾi ʌv nˈeɪɾɪv ˈɑːɹθɹəpˌɑːdz, ænd kˈʌvɚ vˈaɪɾəl ˈoʊpən stɹˈɛtʃᵻz ʌv sˈænd jˈuːzd fɔːɹ nˈɛstɪŋ baɪ ðə θɹˈɛʔn̩d wˈɛstɚn snˈoʊi plˈʌvɚ tʃæɹˈædɹɪəs nˈɪvɑːsəs.
The grass is invasive in the local ecosystems, forming dense monotypic stands that crowd out native vegetation, reduce species diversity of native arthropods, and cover vital open stretches of sand used for nesting by the threatened western snowy plover (Charadrius nivosus).