condition mean min max Sterile Leaflet 0.47152333333333335 0.0 1.41457 Fertile Leaflet with Sori 0.7884336666666666 0.203626 1.37546 Primary Rachis 0.051764000000000004 0.0 0.155292 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.662328 0.0 1.52505 Root 6.36317 2.40596 11.7845