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 0.014289466666666667 0.0 0.0428684 Rhizome 0.192447 0.0 0.388597 Root 4.088453333333334 1.71454 7.27476