condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0065549 0.0 0.0196647 Petiole 0.0 0.0 0.0 Crozier 0.0064377 0.0 0.0193131 Rhizome 0.13386766666666666 0.0 0.261921 Root 3.788971233333333 0.0987337 5.96409