condition mean min max Sterile Leaflet 2.1647279999999998 0.774004 4.34111 Fertile Leaflet with Sori 2.765276666666667 1.25116 4.53213 Primary Rachis 3.3646599999999998 1.69478 5.02896 Petiole 2.295706666666667 1.9545 2.47971 Crozier 5.2407200000000005 3.76715 6.84278 Rhizome 4.25709 3.29119 5.17518 Root 1.90239 0.0 3.48835