Fig. 4
From: Traditional medicinal plants in South Tyrol (northern Italy, southern Alps): biodiversity and use

Comparison of species without pharmacological or phytochemical evidence, with evidence of negative and of positive effects regarding number of citations in folk medicinal literature (a), number of vernacular names (b), overall use versatility (c), and medicinal use versatility (d) in South Tyrol. For results of the Kruskal-Wallis rank sum test, see text