condition mean min max Sterile Leaflet 0.5022433333333333 0.0 1.50673 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 0.0 0.0 0.0 Root 15.739805333333333 0.690816 33.833