condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 1.9010233333333333 1.13998 3.21501 Petiole 0.71392 0.0 2.14176 Crozier 0.0 0.0 0.0 Rhizome 1.602695 0.637435 2.57244 Root 4.164516666666667 1.76989 7.59556