condition mean min max Sterile Leaflet 5.584106666666667 0.0 11.6193 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.041798 0.0 0.125394 Crozier 0.0 0.0 0.0 Rhizome 0.03653866666666667 0.0 0.109616 Root 0.0 0.0 0.0