Figure 1

(a) Image of Rhopalostylis sapida, occurring at the limits of its native range on the West Coast of South Island, New Zealand. (b) Recorded geodetic coordinates for palm occurrences worldwide (Supplementary Table 2). Blue circles indicate recorded occurrences that were eliminated by manual filtering and red indicate the occurrences used in this study. Map generated using ArcGIS⁵⁸.