condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.02764693333333333 0.0 0.0829408 Rhizome 0.04714456666666667 0.0 0.0713782 Root 2.7454993 0.0955479 7.05285