condition mean min max Sterile Leaflet 4.909226333333333 0.0 14.3189 Fertile Leaflet with Sori 2.9050599999999998 0.0 7.53395 Primary Rachis 2.820767 0.0 7.66862 Petiole 0.45594233333333334 0.0 1.00025 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0