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 0.12487666666666668 0.0 0.37463 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 3.5248333333333335 0.0 7.71303