condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.09013700000000001 0.0 0.270411 Rhizome 0.16334566666666667 0.0 0.490037 Root 8.960086666666667 0.0 23.395