Alejandro Selkirk is mostly covered with grassland from 0 to , interspersed with wooded ravines "(quebradas)", home to dry forests of "Myrceugenia" and "Zanthoxylum fagara". From to are lower montane forests, with upper montane forest from to . The treeline is at approximately , above which is alpine shrubland and grassland, dominated by temperate Magellanic vegetation such as "Acaena, Dicksonia, Drimys, Empetrum, Gunnera, Myrteola, Pernettya", and "Ugni". On Robinson Crusoe, grasslands predominate from 0 to ; introduced shrubs from to ; tall forests from to ; montane forests from to , with dense tree cover of "Cuminia fernandezia, Fagara", and "Rhaphithamnus venustus"; tree fern forests from to , and brushwood forests above . Santa Clara is covered with grassland.