condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.10352800000000001 0.0 0.310584 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.05648333333333333 0.0 0.16945 Root 7.076626666666667 1.05261 13.6452