condition mean min max Sterile Leaflet 0.06016733333333333 0.0 0.180502 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 0.0 0.0 0.0 Rhizome 0.156326 0.0 0.303179 Root 15.200566666666667 0.0 44.6439