Table 1. Studies with low and moderate risks of bias included in this systematic review of medicinal plant use in Brazilian local communities.

Reference	Ecosystem	Area	Risk of bias
Albertasse et al. [13]	Atlantic Forest	Urban	Moderate
Albuquerque e Andrade [14]	Caatinga	Rural	Low
Almeida et al. [15]	Atlantic Forest	Urban	Moderate
Andrade et al.[16]	Caatinga	Rural	Moderate
Baldauf et al. [17]	Pampa	Urban and Rural	Moderate
Begossi et al. [18]	Atlantic Forest	No information	Moderate
Brandão et al. [19]	Amazon	Urban and Rural	Moderate
Brandão et al. [20]	Cerrado and Atlantic Forest	Urban	Low
Cartaxo et al. [21]	Caatinga	Rural	Moderate
Cruz-Silva et al. [22]	Atlantic Forest	Urban	Low
Dorigoni et al. [23]	Atlantic Forest	Urban	Moderate
Franco and Barros [24]	Cerrado and Mata dos cocais	Rural	Low
Freitas and Fernandes [25]	Amazon	Rural	Low
Garlet and Irgang [26]	Pampa and Atlantic Forest	Rural	Moderate
Hanazaki et al. [27]	Atlantic Forest	Urban	Low
Lima et al. [28]	Atlantic Forest	Urban	Moderate
Lima et al. [29]	Atlantic Forest	Urban	Low
Macedo et al. [30]	Cerrado and Atlantic Forest	Urban	Low
Maciel and Guarim-Neto [31]	Amazon	Urban and Rural	Moderate
Merétika et al. [32]	Atlantic Forest	Urban	Moderate
Moreira and Guarim-Neto [33]	Cerrado	Rural	Moderate
Negrelle and Fornazzari [34]	Atlantic Forest	Rural	Low
Oliveira et al. [35]	Caatinga	Rural	Low
Oliveira et al. [36]	Atlantic Forest	Urban	Moderate
Pereira et al. [37]	Cerrado and Atlantic Forest	Urban	Moderate
Pilla et al. [38]	Cerrado and Atlantic Forest	Rural	Low
Ritter et al. [39]	Atlantic Forest	Urban and Rural	Moderate
Rizzo et al. [40]	Cerrado	Urban	Moderate
Roque et al. [41]	Caatinga	Rural	Low
Silva et al. [42]	Caatinga	Rural	Low
Souza [43]	Cerrado	Urban	Moderate
Ustulin et al. [44]	Cerrado	Urban	Low
Vendruscolo and Mentz [45]	Pampa	Urban	Moderate
Vila Verde et al. [46]	Cerrado	Urban	Moderate