condition mean min max Sterile Leaflet 7.467199999999999 0.0 22.4016 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.14005266666666666 0.0 0.420158 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0