condition mean min max Sterile Leaflet 2.2733433333333335 1.58832 2.82124 Fertile Leaflet with Sori 2.090745 0.443645 3.1868 Primary Rachis 4.106413333333333 2.32289 5.38806 Secondary Rachis 3.00381 2.24155 4.27527 Petiole 2.98635 2.92975 3.01942 Crozier 3.91874 2.38127 6.00538 Root 1.419292 0.582416 2.11125