condition mean min max Sterile Leaflet 0.288287 0.0 0.864861 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 15.587563333333334 5.02949 28.1095 Root 2.3162633333333336 0.0 4.64564