condition mean min max Sterile Leaflet 0.6329056666666667 0.052846 1.60199 Fertile Leaflet with Sori 0.247054 0.0 0.414716 Primary Rachis 0.061424 0.0 0.184272 Secondary Rachis 0.194412 0.0 0.583236 Petiole 0.09281783333333334 0.0 0.234678 Crozier 2.7988 2.23423 3.36048 Root 0.636521 0.212852 1.25177