Table 1 Bibliographic sources used to assemble the lists of medicinal plants used in different areas

California (Native Americans)

Barrows [27]

Bean and Saubel [8]

Faber and Lasagna [28]

Heinsen [29]

Lightfoot and Parrish [30]

Mead [31]

Timbrook [18]

Wilken-Robertson [32]

Spain

Akerreta et al. [33, 34]

Alarcón et al. [35]

Carrió and Vallès [36]

Cavero et al. [37, 38]

Menendez-Baceta et al. [39]

Mexico (Viceroyalty of New Spain)

Argueta and Gallardo [40]

Heinrich et al. [41]

Simpson [42]

California (Californios)

Beebe and Senkewicz [43]

Weber [19]