condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 4.784436333333334 0.666149 7.69001 Primary Rachis 0.07259666666666667 0.0 0.21779 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.072396 0.0 0.146036 Root 0.095468 0.0 0.286404