condition mean min max Sterile Leaflet 4.24085 0.0 11.6613 Fertile Leaflet with Sori 1.04038 0.0 3.12114 Primary Rachis 0.6430966666666666 0.0 1.92929 Petiole 0.09543800000000001 0.0 0.286314 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0