Most represented families of Chão islet from 2014 to 2020.  
  Part of: Nóbrega H, Freitas G, Zavattieri MA, Ragonezi C, Pinheiro de Carvalho MÂA (2021) Structure and floristic composition associated with an endangered species Beta patula Aiton (Amaranthaceae) in the Islands of Madeira Archipelago. Biodiversity Data Journal 9: e61091. https://doi.org/10.3897/BDJ.9.e61091