condition mean min max Sterile Leaflet 0.10157899999999999 0.0 0.304737 Fertile Leaflet with Sori 12.913746666666666 9.39294 16.2782 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.16356033333333334 0.0 0.260142 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.789905 0.0 1.80085