condition mean min max Sterile Leaflet 3.2603933333333335 1.69862 4.82249 Fertile Leaflet with Sori 0.6447473333333333 0.396326 0.786337 Primary Rachis 0.7033366666666666 0.0 2.11001 Secondary Rachis 0.396473 0.31891 0.512494 Petiole 0.5780730000000001 0.0 0.872665 Crozier 1.1214309999999998 0.799073 1.45701 Root 1.043566 0.838318 1.19666