Distribution of Erica and other Ericaceae in Madagascar. Occurrence data were obtained from the Global Biodiversity Information Facility and submitted to multiple filtering steps (see text) a Erica distribution plotted against the Madagascar ecosystem map of Antonelli et al. (2022). See also records mapped per species in Suppl. material 1 b distribution of the “Madagascar ericoid thickets” ecoregion (Dinerstein et al. 2017) c Erica species richness per 0.5 × 0.5 ° grid cell, summarised from occurrence records identified to species level d distribution of Erica in Madagascar compared to e Agarista and f Vaccinium, the other two genera of Ericaceae occurring in Madagascar.