condition mean min max Sterile Leaflet 0.136484 0.0 0.409452 Fertile Leaflet with Sori 0.34096699999999996 0.0 0.786179 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 5.212912333333334 0.545347 7.82732