ðə plˈænts spɹˈɛd hɐz tʃˈeɪndʒd ðə təpˈɑːɡɹəfi ʌv sˌʌm kˌælɪfˈoːɹniə bˈiːtʃ ˈiːkoʊsˌɪstəmz, ɪspˈɛʃəli ɪn sˈænd dˈuːnz.
The plant's spread has changed the topography of some California beach ecosystems, especially in sand dunes.