condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 1.7329166666666667 1.05979 2.67513 Petiole 0.4603 0.0 1.3809 Crozier 0.0 0.0 0.0 Rhizome 2.786613 0.624889 4.81413 Root 9.774486666666666 4.27506 13.5325