condition mean min max Sterile Leaflet 0.16256 0.0 0.48768 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 8.100666666666667 0.0 12.5876