Figures 5–8. Units within the Baja California province recognised by different authors. (5) Wiggins (1960): Central Desert area (a), Cape area (b); (6) Garcillán and Ezcurra (2003): Central Desert region (a), Vizcaíno Desert region (b), Magdalena region (c), Central Gulf Coast region (d), Cape region (e); (7) Zippin and Vanderwier (1994): Vizcaíno region (a), Central Gulf Coast region (b), Magdalena region (c), Sierra de la Giganta region (d), Cape region (e), Cape Montane region (f); (8) González-Abraham et al. (2010): Central Desert ecoregion 8a), North Pacific Islands ecoregion (b), Vizcaíno Desert ecoregion (c), Central Gulf Coast ecoregion (d), Sierra de la Giganta ecoregion (e), Magdalena Plains ecoregion (f), Tropical Scrubland ecoregion (g), Cape Low Forest ecoregion (h), Sierra de la Laguna Forest ecoregion (i).